Data Sheets Three phase Synchronous Generatorspowertechengines.com/MarelliData/Data...
348
COMM.DSG.001_GB Data Sheets Three phase 160 - 630 FRAME SIZES INDUSTRIAL APPLICATION Synchronous Generators Ed. 11/05
Transcript of Data Sheets Three phase Synchronous Generatorspowertechengines.com/MarelliData/Data...
-
COMM.DSG.001_GB
Data SheetsThree phase
160 - 630 FRAME SIZESINDUSTRIAL APPLICATION
Synchronous Generators
Ed. 11 /05
-
CONTENTS Page CONTENTS Page
4 PolesStandard configuration SB4 185
MJB 160 SA4 3 MA4 188SB4 7 MB4 191SC4 11 MJB 225 SA4 194MA4 15 SB4 197MB4 19 MA4 200
MJB 200 SA4 23 LA4 203SB4 27 MJB 250 MA4 206MA4 31 MB4 209MB4 35 LA4 212
MJB 225 SA4 39 MJB 315 SA4 215SB4 43 SB4 218MA4 47 MA4 221LA4 51 MJB 355 SA4 224
MJB 250 MA4 55 SB4 227MB4 59 MB4 230LA4 63 MJB 400 MA4 233LB4 67 MB4 236
MJB 315 SA4 71 LA4 239SB4 75 LB4 242MA4 79 60 Hz dedicated - 6 leads configurationMB4 83 MJB 355 MA4 245
MJB 355 SA4 87 MJB 400 MA4 248SB4 91 MB4 251MA4 95 LA4 254MB4 99 LB4 257
MJB 400 MA4 103 6 Poles 50/60HzMB4 107 MJB 400 SA6 260LA4 111 SB6 264LB4 115 SC6 268
MJB 500 SA4 119 MA6 272SC4 123 MB6 276MB4 127 LA6 280LA4 131 LB6 284
MJB 560 MA4 135 MJB 500 SA6 288LA4 139 SC6 292
MJB 630 SA4 143 MB6 296MA4 147 LA6 300LA4 151 8 Poles 50/60Hz
12 leads configuration MJB 400 SA8 304MJB 400 MB4 155 SB8 308
LA4 159 SC8 312LB4 163 MA8 316
60Hz dedicated - 12 leads configuration MB8 320MJB 160 SA4 167 LA8 324
SB4 170 LB8 328SC4 173 MJB 500 SA8 332MA4 176 SC8 336MB4 179 MB8 340
MJB 200 SA4 182 LA8 344
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 17,0 17,0 17,0 17,0 17,6 18,9 20,1 20,1 21,4kW 13,6 13,6 13,6 13,6 14,1 15,1 16,1 16,1 17,14/4 83,3 85,6 85,3 84,2 82,8 83,8 84,6 85,5 86,4
EFFICIENCY (%) @ 0,8 p.f. 3/4 85,8 87,1 86,7 86,4 85,8 86,5 87,0 87,6 88,32/4 87,2 87,6 87,4 87,3 87,8 87,8 88,1 88,3 88,84/4 86,5 88,4 88,1 87,2 86,0 86,8 87,6 88,3 89,0
EFFICIENCY (%) @ 1,0 p.f. 3/4 88,6 89,6 89,3 89,0 88,6 89,2 89,5 90,0 90,62/4 89,7 90,1 89,9 89,8 90,2 90,2 90,4 90,6 91,0
SHORT CIRCUIT RATIO 0,41 0,45 0,48 0,54 0,33 0,37 0,38 0,42 0,43REACTANCES (%)Direct axis synchronous xd 275 250 230 205 345 310 295 270 260Quadrature axis synchronous xq 155 140 130 115 195 175 165 150 145Direct axis transient x'd 27,1 24,5 22,8 20,2 33,8 30,2 28,8 26,3 25,7Direct axis subtransient x"d 13,3 12,0 11,1 9,9 16,5 14,8 14,1 12,9 12,6Quadrature axis subtransient x"q 14,6 13,2 12,3 10,9 18,2 16,3 15,5 14,2 13,9Negative sequence x2 13,4 12,1 11,2 10,0 16,7 14,9 14,2 13,0 12,7Zero sequence x0 1,8 1,6 1,5 1,3 2,2 2,0 1,9 1,7 1,7
TIME CONSTANTS [s]Open circuit (T'do) 0,4 Subtransient (T''d) 0,008Transient (T'd) 0,035 Armature (Ta) 0,005
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6310 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 120Inertia (J) (IM B34) [kgm2] 0,109Overspeed [min -1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,11 / 0,14Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [ Ω] @ 20 °C - Star series 1,5Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
- SAE / IM B34
Winding pitch
RATING
V
50 Hz-1500 min-1 / 60 Hz-1800 min-1
>= 300%
4 POLES
50
WINDING DATA Winding code
Number of leads
+/- 1 %speed from -2% to +5%, p.f. from 0,8 to 1)
AMBIENT TEMPERATURE TEMPERATURE RISE INSULATION CLASS
POWER FACTOR
SIN.DT.001.4 3
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.001.4 4
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
82
84
86
88
90
92
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.001.4 5
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
∆ P = Pn x (Is / In) / (cosϕn x ηn)
50 Hz - 1500 min-1
60 Hz - 1800 min-1
0
10
20
30
40
50
0 10 20 30 40 50 60
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
60
0 10 20 30 40 50 60 70
∆P [kVA]
Volta
ge D
ip (%
) 380 V416 V440 V460 V480 V
SIN.DT.001.4 6
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SB 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 18,8 20,0 20,0 20,0 21,2 22,4 23,5 23,5 24,7kW 15,1 16,0 16,0 16,0 16,9 17,9 18,8 18,8 19,84/4 85,9 87,4 87,2 86,4 84,8 86,1 86,7 87,5 88,2
EFFICIENCY (%) @ 0,8 p.f. 3/4 88,3 89,1 88,9 88,5 87,6 88,5 88,7 89,4 89,82/4 89,4 89,6 89,7 89,6 89,3 89,7 90,0 90,0 90,34/4 88,6 89,9 89,7 89,0 87,8 88,8 89,3 89,9 90,6
EFFICIENCY (%) @ 1,0 p.f. 3/4 90,7 91,3 91,1 90,7 90,0 90,8 91,0 91,5 91,92/4 91,5 91,7 91,7 91,6 91,5 91,8 92,0 92,0 92,3
SHORT CIRCUIT RATIO 0,48 0,50 0,54 0,61 0,36 0,40 0,43 0,47 0,49REACTANCES (%)Direct axis synchronous xd 240 230 215 190 325 285 270 245 235Quadrature axis synchronous xq 135 130 120 105 185 160 150 140 135Direct axis transient x'd 23,5 22,5 20,9 18,6 31,7 27,9 26,3 24,0 23,2Direct axis subtransient x"d 11,3 10,8 10,0 8,9 15,2 13,4 12,6 11,5 11,1Quadrature axis subtransient x"q 13,3 12,8 11,9 10,6 18,0 15,9 14,9 13,7 13,2Negative sequence x2 12,3 11,8 11,0 9,8 16,6 14,6 13,8 12,6 12,1Zero sequence x0 1,4 1,3 1,2 1,1 1,8 1,6 1,5 1,4 1,3
TIME CONSTANTS [s]Open circuit (T'do) 0,46 Subtransient (T''d) 0,008Transient (T'd) 0,035 Armature (Ta) 0,005
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6310 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 130Inertia (J) (IM B34) [kgm2] 0,124Overspeed [min -1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,11 / 0,14Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [ Ω] @ 20 °C - Star series 0,9Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
INSULATION CLASS Number of leads POWER FACTOR Winding pitch
AMBIENT TEMPERATURE WINDING DATA TEMPERATURE RISE Winding code
50 Hz-1500 min-1 / 60 Hz-1800 min-14 POLES
50
V
RATING
>= 300%+/- 1 %
speed from -2% to +5%, p.f. from 0,8 to 1)
- SAE / IM B34
SIN.DT.002.4 7
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SB 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.002.4 8
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SB 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.002.4 9
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SB 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
60 Hz - 1800 min-1
50 Hz - 1500 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
5
10
15
20
25
30
35
40
0 10 20 30 40 50 60
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
5
10
15
20
25
30
35
40
45
50
0 10 20 30 40 50 60 70
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.002.4 10
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SC 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 24,7 26,0 26,0 26,0 28,6 30,6 31,2 31,2 33,8kW 19,8 20,8 20,8 20,8 22,9 24,4 25,0 25,0 27,04/4 86,2 87,5 87,1 86,8 85,9 86,5 86,9 87,7 88,3
EFFICIENCY (%) @ 0,8 p.f. 3/4 88,4 88,9 88,9 88,7 88,3 88,6 89,0 89,5 89,92/4 89,5 89,4 89,4 89,4 89,5 89,7 90,1 90,1 90,44/4 88,9 90,0 89,6 89,4 88,6 89,1 89,5 90,1 90,7
EFFICIENCY (%) @ 1,0 p.f. 3/4 90,7 91,1 91,1 90,9 90,6 90,9 91,2 91,6 91,92/4 91,6 91,5 91,5 91,5 91,6 91,8 92,1 92,1 92,3
SHORT CIRCUIT RATIO 0,43 0,45 0,48 0,54 0,31 0,35 0,38 0,41 0,42REACTANCES (%)Direct axis synchronous xd 240 230 215 190 335 300 275 250 250Quadrature axis synchronous xq 135 130 120 105 190 170 155 140 140Direct axis transient x'd 23,2 22,0 20,4 18,2 32,2 28,7 26,2 24,0 23,8Direct axis subtransient x"d 10,5 10,0 9,3 8,3 14,6 13,0 11,9 10,9 10,8Quadrature axis subtransient x"q 12,6 12,0 11,1 9,9 17,6 15,6 14,3 13,1 13,0Negative sequence x2 11,6 11,0 10,2 9,1 16,1 14,3 13,1 12,0 11,9Zero sequence x0 2,2 2,1 2,0 1,7 3,1 2,7 2,5 2,3 2,3
TIME CONSTANTS [s]Open circuit (T'do) 0,35 Subtransient (T''d) 0,005Transient (T'd) 0,035 Armature (Ta) 0,004
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6310 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 140Inertia (J) (IM B34) [kgm2] 0,135Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,11 / 0,14Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,65Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz-1500 min-1 / 60 Hz-1800 min-1
>= 300%+/- 1 %
speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
V
- SAE / IM B34
AMBIENT TEMPERATURE WINDING DATATEMPERATURE RISE Winding codeINSULATION CLASS Number of leads
POWER FACTOR Winding pitch
RATING
SIN.DT.003.4 11
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SC 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effi
cien
cy [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.003.4 12
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SC 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.003.4 13
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 SC 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
50
0 10 20 30 40 50 60 70 80
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
60
0 10 20 30 40 50 60 70 80 90
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.003.4 14
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 25,9 28,0 28,0 28,0 29,0 31,1 33,2 33,2 34,2kW 20,7 22,4 22,4 22,4 23,2 24,9 26,5 26,5 27,44/4 87,0 88,2 87,7 87,3 86,9 87,4 87,9 88,4 89,2
EFFICIENCY (%) @ 0,8 p.f. 3/4 89,0 89,6 89,1 89,1 89,0 89,4 89,6 90,0 90,42/4 90,2 90,4 89,9 89,9 90,3 90,3 90,4 90,6 90,84/4 89,5 90,5 90,2 89,8 89,5 89,9 90,3 90,7 91,4
EFFICIENCY (%) @ 1,0 p.f. 3/4 91,2 91,6 91,3 91,3 91,2 91,5 91,7 92,0 92,32/4 92,1 92,3 91,9 92,0 92,2 92,3 92,4 92,5 92,7
SHORT CIRCUIT RATIO 0,39 0,40 0,43 0,48 0,29 0,32 0,34 0,37 0,39REACTANCES (%)Direct axis synchronous xd 230 225 210 185 310 275 265 240 230Quadrature axis synchronous xq 130 125 115 105 170 155 145 135 125Direct axis transient x'd 20,0 19,5 18,1 16,1 26,9 24,0 22,9 21,0 19,9Direct axis subtransient x"d 9,6 9,4 8,7 7,8 13,0 11,6 11,0 10,1 9,6Quadrature axis subtransient x"q 11,5 11,2 10,4 9,3 15,4 13,8 13,2 12,0 11,4Negative sequence x2 10,6 10,3 9,6 8,5 14,2 12,7 12,1 11,1 10,5Zero sequence x0 1,2 1,2 1,1 1,0 1,7 1,5 1,4 1,3 1,2
TIME CONSTANTS [s]Open circuit (T'do) 0,64 Subtransient (T''d) 0,008Transient (T'd) 0,045 Armature (Ta) 0,006
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6310 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 165Inertia (J) (IM B34) [kgm2] 0,160Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,11 / 0,14Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,38Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
Number of leads
+/- 1 %speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
50 Hz-1500 min-1 / 60 Hz-1800 min-1
V
RATING
- SAE / IM B34
>= 300%
AMBIENT TEMPERATURE WINDING DATA
POWER FACTOR Winding pitch
TEMPERATURE RISE Winding codeINSULATION CLASS
SIN.DT.004.4 15
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.004.4 16
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effi
cien
cy [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.004.4 17
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
0 10 20 30 40 50 60 70 80
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
0 10 20 30 40 50 60 70 80 90
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.004.4 18
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MB 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 30,9 32,0 32,0 32,0 33,1 35,2 38,4 38,4 40,0kW 24,7 25,6 25,6 25,6 26,5 28,2 30,7 30,7 32,04/4 87,4 88,3 87,9 87,7 87,2 87,8 88,3 88,8 89,1
EFFICIENCY (%) @ 0,8 p.f. 3/4 89,2 89,8 89,3 89,3 89,1 89,4 89,8 90,3 90,72/4 90,3 90,6 89,9 90,1 90,3 90,5 90,6 90,8 91,04/4 89,9 90,6 90,3 90,1 89,7 90,2 90,6 91,1 91,3
EFFICIENCY (%) @ 1,0 p.f. 3/4 91,3 91,8 91,5 91,4 91,2 91,5 91,9 92,2 92,62/4 92,2 92,5 92,0 92,1 92,3 92,4 92,5 92,7 92,8
SHORT CIRCUIT RATIO 0,43 0,46 0,50 0,56 0,33 0,38 0,39 0,42 0,44REACTANCES (%)Direct axis synchronous xd 260 245 230 200 335 300 290 265 255Quadrature axis synchronous xq 145 135 125 110 185 165 160 145 140Direct axis transient x'd 22,0 20,5 19,0 16,9 28,2 25,0 24,4 22,3 21,4Direct axis subtransient x"d 10,5 9,8 9,1 8,1 13,5 12,0 11,7 10,7 10,2Quadrature axis subtransient x"q 12,4 11,6 10,8 9,6 15,9 14,2 13,8 12,6 12,1Negative sequence x2 11,5 10,7 9,9 8,8 14,7 13,1 12,7 11,7 11,1Zero sequence x0 1,5 1,4 1,3 1,2 1,9 1,7 1,7 1,5 1,5
TIME CONSTANTS [s]Open circuit (T'do) 0,66 Subtransient (T''d) 0,008Transient (T'd) 0,045 Armature (Ta) 0,007
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6310 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 175Inertia (J) (IM B34) [kgm2] 0,170Overspeed [min -1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,11 / 0,14Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [ Ω] @ 20 °C - Star series 0,33Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
POWER FACTOR Winding pitch
50
INSULATION CLASS Number of leads
RATING
V
AMBIENT TEMPERATURE WINDING DATA
4 POLES
TEMPERATURE RISE Winding code
- SAE / IM B34
>= 300%+/- 1 %
speed from -2% to +5%, p.f. from 0,8 to 1)
50 Hz-1500 min-1 / 60 Hz-1800 min-1
SIN.DT.005.4 19
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MB 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.005.4 20
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MB 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.005.4 21
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 160 MB 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
∆ P = Pn x (Is / In) / (cosϕn x ηn)
60 Hz - 1800 min-1
50 Hz - 1500 min-1
0
10
20
30
40
0 10 20 30 40 50 60 70 80 90
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
0 20 40 60 80 100 120
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.005.4 22
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 40,0 42,0 42,0 42,0 45,5 48,0 51,0 51,0 51,0kW 32,0 33,6 33,6 33,6 36,4 38,4 40,8 40,8 40,84/4 87,7 88,5 88,5 88,0 87,3 88,4 88,9 89,3 89,5
EFFICIENCY (%) @ 0,8 p.f. 3/4 89,5 89,8 89,7 89,2 89,0 89,9 90,2 90,6 90,62/4 90,4 90,5 90,4 89,9 90,2 90,8 90,9 91,2 91,34/4 90,1 90,8 90,7 90,3 89,8 90,7 91,1 91,5 91,6
EFFICIENCY (%) @ 1,0 p.f. 3/4 91,6 91,9 91,8 91,4 91,2 91,9 92,1 92,5 92,52/4 92,4 92,4 92,3 91,9 92,2 92,6 92,7 93,0 93,0
SHORT CIRCUIT RATIO 0,40 0,42 0,45 0,51 0,29 0,33 0,35 0,38 0,42REACTANCES (%)Direct axis synchronous xd 290 275 255 225 395 350 330 305 280Quadrature axis synchronous xq 165 155 145 130 225 195 185 170 155Direct axis transient x'd 24,6 23,3 21,6 19,3 33,6 29,5 28,1 25,7 23,6Direct axis subtransient x"d 12,6 11,9 11,1 9,8 17,1 15,1 14,3 13,1 12,0Quadrature axis subtransient x"q 14,5 13,7 12,7 11,3 19,7 17,4 16,5 15,1 13,9Negative sequence x2 13,5 12,8 11,9 10,6 18,4 16,2 15,4 14,1 13,0Zero sequence x0 2,7 2,6 2,4 2,1 3,7 3,3 3,1 2,9 2,6
TIME CONSTANTS [s]Open circuit (T'do) 0,52 Subtransient (T''d) 0,010Transient (T'd) 0,055 Armature (Ta) 0,009
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6313 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 205Inertia (J) (IM B34) [kgm2] 0,275Overspeed [min -1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,21 / 0,25Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [ Ω] @ 20 °C - Star series 0,32Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
POWER FACTOR Winding pitch
50 Hz-1500 min-1 / 60 Hz-1800 min-1
>= 300%+/- 0,5 %
4 POLES
50
V
- SAE / IM B34
WINDING DATA
Number of leads
speed from -2% to +5%, p.f. from 0,8 to 1)
RATING
AMBIENT TEMPERATURE TEMPERATURE RISE Winding code INSULATION CLASS
SIN.DT.006.4 23
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.006.4 24
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
84
86
88
90
92
94
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.006.4 25
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
60 Hz - 1800 min-1
0
10
20
30
40
50
0 20 40 60 80 100 120
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
60
0 20 40 60 80 100 120 140
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.006.4 26
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SB 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 46,5 48,0 48,0 48,0 51,0 56,5 59,5 59,5 59,5kW 37,2 38,4 38,4 38,4 40,8 45,2 47,6 47,6 47,64/4 88,1 88,7 88,7 88,1 87,8 88,6 89,1 89,2 89,3
EFFICIENCY (%) @ 0,8 p.f. 3/4 89,8 90,0 89,9 89,5 89,3 89,8 90,2 90,3 90,42/4 90,6 90,6 90,5 90,1 90,3 90,5 90,7 90,9 91,04/4 90,5 90,9 91,0 90,5 90,2 90,8 91,3 91,3 91,4
EFFICIENCY (%) @ 1,0 p.f. 3/4 91,8 92,0 92,0 91,6 91,4 91,8 92,1 92,3 92,32/4 92,5 92,5 92,4 92,1 92,2 92,4 92,6 92,7 92,8
SHORT CIRCUIT RATIO 0,37 0,40 0,43 0,48 0,28 0,31 0,33 0,36 0,39REACTANCES (%)Direct axis synchronous xd 290 270 250 225 380 355 330 305 280Quadrature axis synchronous xq 160 150 140 125 210 195 185 170 155Direct axis transient x'd 24,2 22,5 20,9 18,6 31,8 29,4 27,7 25,3 23,2Direct axis subtransient x"d 12,2 11,4 10,6 9,4 16,1 14,9 14,0 12,8 11,8Quadrature axis subtransient x"q 14,2 13,2 12,3 10,9 18,6 17,2 16,2 14,8 13,6Negative sequence x2 13,2 12,3 11,4 10,2 17,4 16,1 15,1 13,8 12,7Zero sequence x0 2,8 2,6 2,4 2,1 3,7 3,4 3,2 2,9 2,7
TIME CONSTANTS [s]Open circuit (T'do) 0,57 Subtransient (T''d) 0,010Transient (T'd) 0,055 Armature (Ta) 0,010
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6313 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 215Inertia (J) (IM B34) [kgm2] 0,301Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,21 / 0,25Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,23Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
- SAE / IM B34
AMBIENT TEMPERATURE WINDING DATA
POWER FACTOR Winding pitch
TEMPERATURE RISE Winding codeINSULATION CLASS Number of leads
50 Hz-1500 min-1 / 60 Hz-1800 min-1
RATING
V
>= 300%+/- 0,5 %
speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
SIN.DT.007.4 27
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SB 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.007.4 28
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SB 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
858789919395
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
85
87
89
91
93
95
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.007.4 29
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 SB 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
50
0 20 40 60 80 100 120 140
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
0 20 40 60 80 100 120 140 160
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.007.4 30
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 59,5 62,0 62,0 62,0 64,5 70,0 73,5 73,5 76,0kW 47,6 49,6 49,6 49,6 51,6 56,0 58,8 58,8 60,84/4 89,7 90,1 90,1 89,7 89,0 89,8 90,2 90,6 90,7
EFFICIENCY (%) @ 0,8 p.f. 3/4 91,0 91,2 91,0 90,6 90,4 91,0 91,2 91,5 91,52/4 91,7 91,7 91,5 91,0 91,1 91,5 91,6 91,9 91,84/4 91,8 92,1 92,1 91,8 91,2 91,9 92,2 92,5 92,6
EFFICIENCY (%) @ 1,0 p.f. 3/4 92,8 93,0 92,9 92,5 92,3 92,8 93,0 93,2 93,22/4 93,4 93,4 93,2 92,8 92,9 93,3 93,3 93,6 93,5
SHORT CIRCUIT RATIO 0,39 0,41 0,44 0,50 0,30 0,33 0,35 0,38 0,40REACTANCES (%)Direct axis synchronous xd 285 270 250 225 375 340 315 290 275Quadrature axis synchronous xq 160 150 140 125 205 190 175 160 155Direct axis transient x'd 23,4 22,0 20,4 18,2 30,4 27,6 25,9 23,7 22,5Direct axis subtransient x"d 11,6 10,9 10,1 9,0 15,1 13,7 12,8 11,7 11,1Quadrature axis subtransient x"q 13,8 13,0 12,1 10,7 18,0 16,3 15,3 14,0 13,3Negative sequence x2 12,7 11,9 11,1 9,8 16,5 14,9 14,0 12,8 12,2Zero sequence x0 2,7 2,5 2,3 2,1 3,5 3,1 2,9 2,7 2,6
TIME CONSTANTS [s]Open circuit (T'do) 0,60 Subtransient (T''d) 0,010Transient (T'd) 0,06 Armature (Ta) 0,011
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6313 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 260Inertia (J) (IM B34) [kgm2] 0,361Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,21 / 0,25Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,14Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
4 POLES
50
50 Hz-1500 min-1 / 60 Hz-1800 min-1
WINDING DATAWinding code
Number of leadsWinding pitch
speed from -2% to +5%, p.f. from 0,8 to 1)
RATING
V
- SAE / IM B34
+/- 0,5 %>= 300%
AMBIENT TEMPERATURETEMPERATURE RISEINSULATION CLASS
POWER FACTOR
SIN.DT.008.5 31
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effi
cien
cy [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.008.5 32
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
86
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.008.5 33
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
0 20 40 60 80 100 120 140 160 180
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
0 50 100 150 200 250
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.008.5 34
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MB 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 68,5 72,0 72,0 72,0 77,5 83,5 87,0 87,0 87,0kW 54,8 57,6 57,6 57,6 62,0 66,8 69,6 69,6 69,64/4 89,9 90,5 90,4 89,8 89,3 90,0 90,5 90,8 90,9
EFFICIENCY (%) @ 0,8 p.f. 3/4 91,1 91,4 91,1 90,6 90,6 91,0 91,3 91,5 91,62/4 91,7 91,7 91,4 90,9 91,2 91,4 91,7 91,8 91,74/4 91,9 92,4 92,3 91,8 91,5 92,0 92,4 92,6 92,8
EFFICIENCY (%) @ 1,0 p.f. 3/4 92,9 93,2 92,9 92,5 92,5 92,8 93,1 93,2 93,32/4 93,4 93,4 93,1 92,7 93,0 93,2 93,4 93,5 93,4
SHORT CIRCUIT RATIO 0,40 0,42 0,45 0,51 0,29 0,33 0,35 0,38 0,42REACTANCES (%)Direct axis synchronous xd 280 265 245 220 380 340 320 290 265Quadrature axis synchronous xq 155 145 135 120 210 185 175 160 145Direct axis transient x'd 22,5 21,3 19,8 17,6 30,5 27,4 25,5 23,4 21,4Direct axis subtransient x"d 11,1 10,5 9,8 8,7 15,0 13,5 12,6 11,5 10,6Quadrature axis subtransient x"q 13,3 12,6 11,7 10,4 18,0 16,2 15,1 13,8 12,7Negative sequence x2 12,1 11,5 10,7 9,5 16,5 14,8 13,8 12,6 11,6Zero sequence x0 2,3 2,2 2,0 1,8 3,1 2,8 2,6 2,4 2,2
TIME CONSTANTS [s]Open circuit (T'do) 0,76 Subtransient (T''d) 0,01Transient (T'd) 0,062 Armature (Ta) 0,012
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6313 2RS C3 / PrelubricatedN-end bearing/Lubrication 6309 2RS C3 / PrelubricatedWeight (IM B34) [kg] 300Inertia (J) (IM B34) [kgm2] 0,426Overspeed [min -1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,21 / 0,25Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [ Ω] @ 20 °C - Star series 0,1Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
+/- 0,5 %speed from -2% to +5%, p.f. from 0,8 to 1)
V
- SAE / IM B34
50 Hz-1500 min-1 / 60 Hz-1800 min-14 POLES
>= 300%
50
Number of leads Winding pitch
AMBIENT TEMPERATURE WINDING DATA TEMPERATURE RISE Winding code INSULATION CLASS
RATING
POWER FACTOR
SIN.DT.009.4 35
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MB 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.009.4 36
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MB 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
87
89
91
93
95
97
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.009.4 37
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 200 MB 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
0 20 40 60 80 100 120 140 160 180 200
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
0 50 100 150 200 250
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.009.4 38
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 85 85 85 85 91 102 102 108 108kW 68 68 68 68 73 82 82 86 864/4 90,5 91,0 90,9 90,8 90,2 90,5 91,0 91,2 91,5
EFFICIENCY (%) @ 0,8 p.f. 3/4 91,5 91,8 91,8 91,8 91,5 91,7 92,1 92,3 92,52/4 91,9 92,1 92,0 92,1 92,1 92,4 92,8 92,8 92,94/4 92,4 92,8 92,8 92,7 92,2 92,4 92,8 93,0 93,2
EFFICIENCY (%) @ 1,0 p.f. 3/4 93,2 93,5 93,5 93,5 93,2 93,4 93,7 93,9 94,12/4 93,6 93,8 93,6 93,8 93,7 94,0 94,3 94,3 94,4
SHORT CIRCUIT RATIO 0,34 0,38 0,41 0,46 0,27 0,29 0,32 0,33 0,36REACTANCES (%)Direct axis synchronous xd 315 285 265 235 405 380 340 330 300Quadrature axis synchronous xq 175 160 150 130 225 215 190 185 170Direct axis transient x'd 24,9 22,5 20,9 18,6 31,9 30,0 26,8 25,9 23,8Direct axis subtransient x"d 12,0 10,8 10,0 8,9 15,3 14,4 12,9 12,4 11,4Quadrature axis subtransient x"q 13,3 12,0 11,1 9,9 17,0 16,0 14,3 13,8 12,7Negative sequence x2 12,6 11,4 10,6 9,4 16,2 15,2 13,6 13,1 12,0Zero sequence x0 2,8 2,5 2,3 2,1 3,5 3,3 3,0 2,9 2,6
TIME CONSTANTS [s]Open circuit (T'do) 0,82 Subtransient (T''d) 0,005Transient (T'd) 0,071 Armature (Ta) 0,005
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6215 2RS C3 / PrelubricatedN-end bearing/Lubrication 6311 2RS C3 / PrelubricatedWeight (IM B34) [kg] 305Inertia (J) (IM B34) [kgm2] 0,632Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,31 / 0,39Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,11Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
+/- 0,5 %speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
50 Hz-1500 min-1 / 60 Hz-1800 min-1
V
- SAE / IM B34
>= 300%
Number of leadsPOWER FACTOR Winding pitch
AMBIENT TEMPERATURE WINDING DATATEMPERATURE RISE Winding codeINSULATION CLASS
RATING
SIN.DT.010.5 39
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.010.5 40
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.010.5 41
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
0 50 100 150 200 250
∆P [kVA]
Volta
ge D
ip (%
) 380 V400 V415 V440 V
0
10
20
30
40
50
60
0 50 100 150 200 250 300
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.010.5 42
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SB 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 92 92 92 92 97 108 114 114 114kW 74 74 74 74 78 87 91 91 914/4 91,0 91,5 91,4 91,4 90,9 91,1 91,4 91,8 92,0
EFFICIENCY (%) @ 0,8 p.f. 3/4 91,9 92,3 92,2 92,2 92,0 92,3 92,6 92,8 93,02/4 92,3 92,5 92,4 92,5 92,6 92,9 93,1 93,2 93,24/4 92,8 93,2 93,2 93,1 92,7 92,9 93,2 93,5 93,6
EFFICIENCY (%) @ 1,0 p.f. 3/4 93,5 93,8 93,8 93,8 93,6 93,9 94,1 94,3 94,42/4 93,9 94,1 94,0 94,0 94,1 94,4 94,5 94,6 94,6
SHORT CIRCUIT RATIO 0,35 0,39 0,42 0,47 0,28 0,30 0,32 0,35 0,38REACTANCES (%)Direct axis synchronous xd 305 275 255 225 385 360 335 310 285Quadrature axis synchronous xq 165 150 140 125 210 195 185 170 155Direct axis transient x'd 23,8 21,5 20,0 17,8 30,3 28,1 26,3 24,1 22,1Direct axis subtransient x"d 11,3 10,2 9,5 8,4 14,4 13,3 12,5 11,4 10,5Quadrature axis subtransient x"q 12,5 11,3 10,5 9,3 15,9 14,7 13,8 12,7 11,6Negative sequence x2 11,9 10,7 9,9 8,8 15,1 14,0 13,1 12,0 11,0Zero sequence x0 2,5 2,3 2,1 1,9 3,2 3,0 2,8 2,6 2,4
TIME CONSTANTS [s]Open circuit (T'do) 0,90 Subtransient (T''d) 0,006Transient (T'd) 0,075 Armature (Ta) 0,006
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6215 2RS C3 / PrelubricatedN-end bearing/Lubrication 6311 2RS C3 / PrelubricatedWeight (IM B34) [kg] 355Inertia (J) (IM B34) [kgm2] 0,698Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,31 / 0,39Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,085Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
- SAE / IM B34
AMBIENT TEMPERATURE WINDING DATATEMPERATURE RISE Winding codeINSULATION CLASS Number of leads
POWER FACTOR Winding pitch
50 Hz-1500 min-1 / 60 Hz-1800 min-1
RATING
V
>= 300%+/- 0,5 %
speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
SIN.DT.011.5 43
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SB 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.011.5 44
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SB 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.011.5 45
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 SB 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
50
0 50 100 150 200 250 300
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
0
10
20
30
40
0 50 100 150 200 250
∆P [kVA]
Volta
ge D
ip (%
) 380 V400 V415 V440 V
SIN.DT.011.5 46
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 MA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 100 105 105 105 110 121 126 131 131kW 80 84 84 84 88 97 101 105 1054/4 91,3 91,8 91,7 91,5 91,1 91,4 91,9 92,2 92,6
EFFICIENCY (%) @ 0,8 p.f. 3/4 92,1 92,4 92,3 92,2 92,2 92,5 92,7 92,9 93,12/4 92,5 92,6 92,5 92,5 92,6 92,8 93,0 93,1 93,24/4 93,1 93,5 93,4 93,2 92,9 93,1 93,6 93,8 94,1
EFFICIENCY (%) @ 1,0 p.f. 3/4 93,7 93,9 93,8 93,8 93,8 94,0 94,2 94,4 94,52/4 94,0 94,1 94,1 94,0 94,1 94,3 94,5 94,5 94,6
SHORT CIRCUIT RATIO 0,38 0,40 0,43 0,48 0,29 0,31 0,34 0,35 0,38REACTANCES (%)Direct axis synchronous xd 290 275 255 225 385 350 325 310 285Quadrature axis synchronous xq 160 150 140 125 210 190 180 170 155Direct axis transient x'd 22,1 21,0 19,5 17,4 29,3 26,8 25,0 23,8 21,9Direct axis subtransient x"d 10,4 9,9 9,2 8,2 13,8 12,6 11,8 11,2 10,3Quadrature axis subtransient x"q 11,5 10,9 10,1 9,0 15,2 13,9 13,0 12,4 11,4Negative sequence x2 10,9 10,4 9,7 8,6 14,5 13,3 12,4 11,8 10,8Zero sequence x0 2,3 2,2 2,0 1,8 3,1 2,8 2,6 2,5 2,3
TIME CONSTANTS [s]Open circuit (T'do) 0,95 Subtransient (T''d) 0,006Transient (T'd) 0,078 Armature (Ta) 0,006
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6215 2RS C3 / PrelubricatedN-end bearing/Lubrication 6311 2RS C3 / PrelubricatedWeight (IM B34) [kg] 370Inertia (J) (IM B34) [kgm2] 0,789Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,31 / 0,39Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,075Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
>= 300%+/- 0,5 %
speed from -2% to +5%, p.f. from 0,8 to 1)
- SAE / IM B34
50
V
RATING
50 Hz-1500 min-1 / 60 Hz-1800 min-14 POLES
Number of leadsPOWER FACTOR Winding pitch
AMBIENT TEMPERATURE WINDING DATATEMPERATURE RISE Winding codeINSULATION CLASS
SIN.DT.12.5 47
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 MA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.12.5 48
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 MA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.12.5 49
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 MA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
0 50 100 150 200 250 300
∆P [kVA]
Volta
ge D
ip (%
) 380 V400 V415 V440 V
0
10
20
30
40
50
0 50 100 150 200 250 300 350
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.12.5 50
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 LA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 127 132 132 132 137 148 153 158 158kW 101 106 106 106 110 118 122 127 1274/4 91,9 92,2 91,8 91,7 91,7 92,1 92,5 92,7 93,0
EFFICIENCY (%) @ 0,8 p.f. 3/4 92,5 92,6 92,4 92,3 92,7 93,0 93,1 93,3 93,32/4 92,7 92,7 92,6 92,5 93,0 93,2 93,3 93,4 93,34/4 93,5 93,8 93,4 93,4 93,4 93,8 94,0 94,2 94,4
EFFICIENCY (%) @ 1,0 p.f. 3/4 94,0 94,1 94,0 93,9 94,2 94,4 94,5 94,6 94,72/4 94,2 94,2 94,1 94,0 94,4 94,6 94,7 94,8 94,7
SHORT CIRCUIT RATIO 0,39 0,42 0,45 0,51 0,30 0,34 0,37 0,39 0,42REACTANCES (%)Direct axis synchronous xd 280 265 245 220 365 330 305 290 265Quadrature axis synchronous xq 155 145 135 120 200 180 165 160 145Direct axis transient x'd 20,5 19,3 17,9 16,0 26,7 24,0 22,2 21,0 19,3Direct axis subtransient x"d 10,1 9,5 8,8 7,9 13,1 11,8 10,9 10,3 9,5Quadrature axis subtransient x"q 11,3 10,6 9,8 8,8 14,7 13,2 12,2 11,5 10,6Negative sequence x2 10,7 10,1 9,4 8,3 14,0 12,6 11,6 11,0 10,1Zero sequence x0 2,3 2,2 2,0 1,8 3,0 2,7 2,5 2,4 2,2
TIME CONSTANTS [s]Open circuit (T'do) 1,08 Subtransient (T''d) 0,006Transient (T'd) 0,087 Armature (Ta) 0,007
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6215 2RS C3 / PrelubricatedN-end bearing/Lubrication 6311 2RS C3 / PrelubricatedWeight (IM B34) [kg] 405Inertia (J) (IM B34) [kgm2] 0,924Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,31 / 0,39Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,045Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
V
- SAE / IM B34
50 Hz-1500 min-1 / 60 Hz-1800 min-1
>= 300%
speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
+/- 0,5 %
Number of leadsWinding pitch
AMBIENT TEMPERATURE WINDING DATATEMPERATURE RISE Winding codeINSULATION CLASS
RATING
POWER FACTOR
SIN.DT.013.5 51
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 LA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.013.5 52
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 LA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.013.5 53
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 225 LA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
50
0 50 100 150 200 250 300 350 400 450
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
0
10
20
30
40
0 50 100 150 200 250 300 350
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
SIN.DT.013.5 54
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 165 165 165 165 170 175 185 195 205kW 132 132 132 132 136 140 148 156 1644/4 92,5 92,9 92,8 92,7 91,7 92,2 92,4 92,6 93,6
EFFICIENCY (%) @ 0,8 p.f. 3/4 93,0 93,2 93,1 93,0 92,7 93,1 93,1 93,3 93,82/4 93,2 93,1 93,0 92,8 93,1 93,2 93,3 93,4 93,44/4 94,0 94,4 94,3 94,2 93,4 93,8 94,0 94,1 94,9
EFFICIENCY (%) @ 1,0 p.f. 3/4 94,4 94,6 94,5 94,5 94,2 94,5 94,6 94,7 95,12/4 94,6 94,5 94,5 94,3 94,5 94,6 94,7 94,8 94,8
SHORT CIRCUIT RATIO 0,42 0,47 0,51 0,57 0,34 0,40 0,42 0,44 0,45REACTANCES (%)Direct axis synchronous xd 310 280 260 230 385 330 310 300 290Quadrature axis synchronous xq 150 135 125 110 185 160 150 145 140Direct axis transient x'd 27,1 24,5 22,8 20,2 33,6 28,8 27,2 26,3 25,4Direct axis subtransient x"d 15,0 13,5 12,5 11,2 18,5 15,9 15,0 14,5 14,0Quadrature axis subtransient x"q 16,5 14,9 13,8 12,3 20,4 17,5 16,6 16,0 15,4Negative sequence x2 15,7 14,2 13,2 11,7 19,5 16,7 15,8 15,2 14,7Zero sequence x0 3,2 2,9 2,7 2,4 4,0 3,4 3,2 3,1 3,0
TIME CONSTANTS [s]Open circuit (T'do) 0,95 Subtransient (T''d) 0,011Transient (T'd) 0,09 Armature (Ta) 0,012
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6218 2RS C3 / PrelubricatedN-end bearing/Lubrication 6323 2RS C3 / PrelubricatedWeight (IM B34) [kg] 530Inertia (J) (IM B34) [kgm2] 1,41Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,42 / 0,52Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,032Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
INSULATION CLASS
RATING
AMBIENT TEMPERATURE WINDING DATATEMPERATURE RISE Winding code
- SAE / IM B34
>= 300%
Number of leadsPOWER FACTOR Winding pitch
+/- 0,5 %speed from -2% to +5%, p.f. from 0,8 to 1)
4 POLES
50
50 Hz-1500 min-1 / 60 Hz-1800 min-1
V
SIN.DT.014.5 55
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.014.5 56
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
88
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.014.5 57
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MA 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
50
0 50 100 150 200 250 300 350 400 450
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
0
10
20
30
40
50
60
0 100 200 300 400 500 600
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
SIN.DT.014.5 58
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MB 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 185 185 185 185 195 205 215 220 230kW 148 148 148 148 156 164 172 176 1844/4 92,6 93,0 92,9 92,9 92,0 92,4 92,6 92,8 93,6
EFFICIENCY (%) @ 0,8 p.f. 3/4 93,1 93,2 93,1 93,1 93,0 93,4 93,4 93,6 93,92/4 93,3 93,2 93,1 93,0 93,5 93,7 93,7 93,6 93,94/4 94,1 94,4 94,4 94,4 93,6 94,0 94,1 94,3 94,9
EFFICIENCY (%) @ 1,0 p.f. 3/4 94,5 94,6 94,6 94,5 94,4 94,8 94,8 94,9 95,22/4 94,7 94,6 94,5 94,5 94,8 95,0 95,0 95,0 95,1
SHORT CIRCUIT RATIO 0,41 0,45 0,48 0,54 0,32 0,37 0,39 0,42 0,43REACTANCES (%)Direct axis synchronous xd 300 270 250 225 380 330 310 290 280Quadrature axis synchronous xq 145 130 120 105 180 160 150 140 135Direct axis transient x'd 26,6 24,0 22,3 19,8 33,6 29,5 27,7 25,9 24,9Direct axis subtransient x"d 13,9 12,5 11,6 10,3 17,5 15,4 14,4 13,5 13,0Quadrature axis subtransient x"q 15,4 13,9 12,9 11,5 19,5 17,1 16,0 15,0 14,4Negative sequence x2 14,6 13,2 12,3 10,9 18,5 16,2 15,2 14,2 13,7Zero sequence x0 2,7 2,4 2,2 2,0 3,4 3,0 2,8 2,6 2,5
TIME CONSTANTS [s]Open circuit (T'do) 0,95 Subtransient (T''d) 0,011Transient (T'd) 0,09 Armature (Ta) 0,013
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6218 2RS C3 / PrelubricatedN-end bearing/Lubrication 6313 2RS C3 / PrelubricatedWeight (IM B34) [kg] 590Inertia (J) (IM B34) [kgm2] 1,660Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,42 / 0,52Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,027Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
speed from -2% to +5%, p.f. from 0,8 to 1)
RATING
AMBIENT TEMPERATURETEMPERATURE RISE Winding codeINSULATION CLASS
>= 300%+/- 0,5 %
4 POLES
50
V
- SAE / IM B34
WINDING DATA
Number of leadsPOWER FACTOR Winding pitch
50 Hz-1500 min-1 / 60 Hz-1800 min-1
SIN.DT.015.4 59
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MB 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.015.4 60
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MB 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.015.4 61
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 MB 4
Locked rotor motor starting curves (*)
(*): A coefficient of 0,85 must be applied to the voltage dip if the load has a power factor equal or greater than 0,8.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
50 Hz - 1500 min-1
60 Hz - 1800 min-1
∆ P = Pn x (Is / In) / (cosϕn x ηn)
0
10
20
30
40
50
60
0 100 200 300 400 500 600
∆P [kVA]
Volta
ge D
ip (%
)
380 V416 V440 V460 V480 V
0
10
20
30
40
50
0 50 100 150 200 250 300 350 400 450 500
∆P [kVA]
Volta
ge D
ip (%
)
380 V400 V415 V440 V
SIN.DT.015.4 62
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 LA 4
CONTINUOUS DUTY
40°CH M0H 12
0,8 2/3
FREQUENCY Hz 60VOLTAGE Star series 380 400 415 440 380 416 440 460 480
Star parallel 190 200 208 220 190 208 220 230 240kVA 220 220 220 210 225 235 245 255 270kW 176 176 176 168 180 188 196 204 2164/4 92,8 93,2 93,1 93,2 92,7 93,0 93,3 93,4 93,9
EFFICIENCY (%) @ 0,8 p.f. 3/4 93,4 93,6 93,5 93,5 93,7 94,0 94,1 94,2 94,42/4 93,6 93,7 93,6 93,5 94,1 94,3 94,4 94,4 94,44/4 94,3 94,6 94,5 94,6 94,2 94,4 94,7 94,8 95,2
EFFICIENCY (%) @ 1,0 p.f. 3/4 94,8 94,9 94,8 94,8 95,0 95,2 95,3 95,4 95,62/4 95,0 95,0 94,9 94,9 95,4 95,5 95,6 95,6 95,6
SHORT CIRCUIT RATIO 0,36 0,40 0,43 0,51 0,29 0,34 0,36 0,38 0,39REACTANCES (%)Direct axis synchronous xd 340 305 285 240 415 360 335 320 310Quadrature axis synchronous xq 165 150 140 120 205 180 165 160 155Direct axis transient x'd 26,6 24,0 22,3 18,9 32,6 28,4 26,5 25,2 24,5Direct axis subtransient x"d 12,5 11,3 10,5 8,9 15,4 13,4 12,5 11,9 11,6Quadrature axis subtransient x"q 14,0 12,6 11,7 9,9 17,1 14,9 13,9 13,3 12,9Negative sequence x2 13,3 12,0 11,1 9,5 16,3 14,2 13,3 12,6 12,3Zero sequence x0 2,7 2,4 2,2 1,9 3,3 2,8 2,7 2,5 2,5
TIME CONSTANTS [s]Open circuit (T'do) 1,00 Subtransient (T''d) 0,011Transient (T'd) 0,095 Armature (Ta) 0,013
MECHANICAL CHARACTERISTICSD-end bearing/Lubrication 6218 2RS C3 / PrelubricatedN-end bearing/Lubrication 6313 2RS C3 / PrelubricatedWeight (IM B34) [kg] 660Inertia (J) (IM B34) [kgm2] 1,890Overspeed [min-1] 2250Method of cooling IC 01Cooling air required [m3/s] @ 50/60 Hz 0,42 / 0,52Degree of protection IP 23Type of construction available B2Direction of rotation CW
OTHER DATAPhase resistance [Ω] @ 20 °C - Star series 0,021Overloads 10% for 1 hour3-phase short circuit current (3 In)Voltage regulation accuracy (in steady state condition,
Radio interference EN 55011 Class B Group 1Wave form THF < 2% Total harmonic content < 2% (at no load)
STANDARDSIEC 60034-1; CEI 2-3; BS 4999-5000; VDE 0530; NF 51-100,111; OVE M-10, NEMA MG 1.22.
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
POWER FACTOR Winding pitch
50 Hz-1500 min-1 / 60 Hz-1800 min-1
>= 300%+/- 0,5 %
4 POLES
50
V
- SAE / IM B34
WINDING DATA
Number of leads
speed from -2% to +5%, p.f. from 0,8 to 1)
RATING
AMBIENT TEMPERATURETEMPERATURE RISE Winding codeINSULATION CLASS
SIN.DT.016.4 63
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 LA 4
Typical efficiency curves 50 Hz - 1500 min-1
380 V
400 V
415 V
440 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
1,0 p.f.
0,8 p.f.
SIN.DT.016.4 64
-
THREE-PHASE SYNCHRONOUS GENERATOR
MJB 250 LA 4
Typical efficiency curves 60 Hz - 1800 min-1
380 V
416 V
440 V
460 V
480 V
Data and Technical Specification are subject to change in order to update or improve the products, without prior notice
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
0 0,25 0,5 0,75 1 1,25
Load [p.u.]
Effic
ienc
y [%
]
90
92
94
96
