Load Break Switch / Auto Section Switch
Transcript of Load Break Switch / Auto Section Switch
24 kV / 25.8 kV
Load Break Switch / Auto Section Switch
2 I
Contents
Feature
Structure and Function
LBS Rating
ASS Rating
LBS control circuit
ASS control operation and performance
LBS fuse selected list
LBS installation method
LBS Dimensions
ASS installation method
ASS Dimensions
04
05
08
09
10
11
12
13
14
15
16
LB
S/A
SS
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As the leader in power and automation industries, LSIS provides Total - Solution that creates pleasant and productive industrial society.
24kV Load Break Switch
25.8kV Auto Section Switch
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Load Break Switch / Auto Section Switch
High technology• Realization of compact and lightweight for user convenience
• Lightning Impulse type with puffer structure that has excellent blocking performance
• Easy maintenance • Fuses up to 100A can be applied
Safety• Safe operation in hot-line status• Obvious visual check for ON-OFF status• Perfect fuse striker structure
High reliability and convenience• Maximizing arc extinguishing capability by compressed air
• Vertical and horizontal installation features• Manual cable with distance adjustment • Remote operation function. • Provide an alarm contact in case of fuse cut-off
Grounding switch function • 25kA/1 second short time capability• Maximize safety through interlock device for main circuit and ground switch
Load Break Switch
[Feature]
Basic type Fuse adhesive type
24kV Power FUSE
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Manually operated cable• Standard length is 2m and 2.6m. Custom-made, 1.2m, 5m should be discussed separately.
• Turn the the hand wheel to the right for 50 times and manual input is completed, while turn it to the same direction for 8 times, the opening operation is completed.
Load Break Switch
[Structure]
➏
➐
➒
➑
➊ ➋ ➌ ➍ ➎
➊ Arc blade➋ Main movable part➌ Arc extinguish part
➍ Primary terminal➎ Operation mechanism➏ Fuse holder
➐ Fuse➑ Secondary terminal➒ Insulation support
LBS structure
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inrush current suppression• When ASS operates normally (if current is 10% 100% current correction tab), blocks opening operation and it is put into operation again, this function suppresses malfunction of which ASS mistakes the current as a fault current due to inrush current of backup protective equipment of ASS.
Overload protection • It is operate according to the inverse characteristic curve in less than an overcurrent lock of 800A.
Stored energy Trip• Although blocking is operated according to the T-C curve due to overload or ASS is not blocked since the overload is removed, if backup protective equipment is operated so that no voltage is generated, the ASS will be instantaneously released and disconnects line of back of the ASS.
Overcurrent lock• While ASS protects the switching when failure of rated breaking current (900A) occurs, if the current is greater than the lock current (800A ± 10%), the switch will be LOCK status. The fault current will be removed by the backup protective equipment and ASS will be blocked in the non-voltage status.
➊
➋
➏
➌
➎ ➍
➑ ➒ ➓➐
[Structure]
[Feature]
Control box
Auto Section Switch
➊ Arc extinguish part➋ Primary terminal➌ Main movable part➍ Arc contact
➎ Fuse holder➏ Fuse➐ Secondary terminal➑ Insulation support
➒ Arrester LA➓ C.T
Operator
ASS structure
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LS switch
LSJ
Type method
J ASS
L
Operation
M Electric-operated
M
Ratedvoltage
25 25.8kV
25
Ratedcurrent
2 200A
2
Operating power
D3 DC 24V
D3
Auxiliary contacts
1 2a2b
1
Groundswitch
Sstand
alone type
F1Fuse tilted
type
F2Fuse
vertical type
S
Length Product Name
1.0m MANUAL, OPERATOR 1.0m
1.2m MANUAL, OPERATOR 1.2m
1.5m MANUAL, OPERATOR 1.3m
1.8m MANUAL, OPERATOR 1.8m
2.0m MANUAL, OPERATOR 2.0m
2.6m MANUAL, OPERATOR 2.6m
3.0m MANUAL, OPERATOR 3.0m
Manually operated cable
Auto Section Switch
Type method
L LBS
LS switch Operation
MElectric-operated
Ratedvoltage
24 24kV
Ratedcurrent
6 630A
Operating power
D1 DC 110V
D2 DC 220V
A1 A1 110V
A2 A2 220V
00 hand-operated
Auxiliary contacts
1 2a2b
2 4a4b
Configuration Type
S stand-alone
FFuse-linked
type
Groundswitch
O ×
LSJ L M 24 6 D1 1 S O
Load Break Switch
LBS / ASS Type Numbering System
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Load Break Switch / Auto Section Switch
Rating
Type24kV
Non-Fused type Fuse type
Type Name LSJ-L-M-24-6-S-O LSJ-L-M-24-6-F-O
Phase No. 3phase
Rated voltage 24kV
Rated frequency 60Hz
Rated current 630A
RatingMechanical durability 1,000 times
Electricaldurability E1
Rating Short time current
Virtual value 20kA
Peak 52kA
Time 1sec
Ratedmaking current
Virtual value 20kA
Peak 52kA
Rated switching capacity
Load break current 630A
Loop breaking current 630A
breaking current 16A
charging breaking current 1.5A
Frequency withstand voltage
Between earth 50kV (1min)
Between pole 60kV (1min)
Impulse withstand voltage
Between earth 125kV (1min)
Between pole 145kV (1min)
Operation method Manual / Auto
Rated control voltage AC/DC 110V / 220V
Weight 55kg 75kg
Distance between phases 300
LBS Rating
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Service condition• Ambient temperature: up to 40 ℃ / lowest -20 ℃• Altitude: 1,000m or below• Installation location: Indoor• Installation method: vertical and horizontal
Rating
TypeLSJ-J-M-25-2-S LSJ-J-M-25-2-F
Standard type Fuse type
Phase No. 25.8kV
Rated frequency 60Hz
Rated current 200A
Frequency withstand voltage
Between conducting part & earth (1min) 50kv
Between fault conducting parts (1min) 50kv
Between in-phase terminals (1min) 60kv
Rating Short time current
Between conducting part& earth (1min) 125kA
Between fault conducting parts (1min) 125kA
Between in-phase terminals (1min) 145kA.
Ratedmaking current
Instantaneous (Asym) 15kA
1sec (sym) 10kA
10sec (sym) 3.5kA
Rated making current (Asym) 15ka(kAp)
Loop breaking current 900a
Minimum operating current
Phase (A) 10/20/30/50/70/100/140/200/BLOCK
Ground (A) 5/10/15/25/35/50/70/100/BY-PASS
Lock current of maximum overcurrent 800a
Insulating medium Standard
Operating voltageClose DC 24V
Open DC 24V
Weight 78kg(Standard type).
97kg(Fuse tilted type).
106kg(Fuse vertical type) 3kg (Control box)
Input voltage AC 220V (for battery charging)
Operating method Electric or manual
Applicable standard KEMC 1126(2007.8.22)
ASS Rating
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Load Break Switch / Auto Section SwitchLBS control circuit
▶ For control voltage, AC/DC 110V is standard. AC/DC 220V is also available by your order.
CONNECTOR (FIXED-LBS BODY)
“A”(AUX. S/W CONTACT : 2A2B)
“B”(AUX. S/W CONTACT : 4A4B-OPTION)
21 20
11 10 9 8 7 6 5 4 3 2 1
19 18
40 39 38
17
37
30 29 28 27
16 15 14 13 12
CIRCUIT DIAGRAMAUXILIARY SWITCH
SHUNTCOIL RELAY MOTOR
11
F1 B7 B5 B3 B1 A7 A5 A3
OFF ON
A1
F2 B8 B6 B4 B2 A8 A6 A4 A2
21
30
40 39 20 19 38 37 18 17 2
29 10 28 13 12279 8 7 1
T
N
C P
P ① : DC+, AC 110/220V
N ② : DC-, AC 110/220V
C ⑫ : DC+, CLOSING
T ⑬ : DC+, OPENING
A1⑦-A2⑰, A3⑥-A4⑱, A5-A6, A7-A8 : AUX S/W "A" CONTACT
B1⑨-B2⑲, B2⑩-B4⑳, B5-B6 , B7-B8 : AUX S/W "B" CONTACT
F1⑪-F2 : FUSE TRIP CONTACT
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Time-Current Curve
Phase current and ground current setting table
▶ Phase current = (contract capacity/(√3×22.9kV))×(2~3) ▶ Ground current is set to 1/2 of the phase current.
9.0
GROUND
PHASE
8.07.06.05.04.0
3.0
2.0
1.00.90.8
0.60.50.4
0.3
0.2
0.1
100
110
150
200
300
400
450
500
600
700
800
900
1000
2000
Tim
e (s
ec)
Rated Current (%)
Controller
Operation display lamp
RESET button
RESET buttonInput PUSH button
Phase current correction button
Lamp indicator button
Ground fault selection correction button
External powerdisplay light
Inrush current limit time correction tab
Power button
ASS control operation and performance
Transformer capacity Phase current tap (A) Ground fault current Phase current Ground fault current0-10 10 5 0-7.5 0-3.8
10-250 20 10 7.5-18.75 3.8-9.4251-350 30 15 18.75-26.25 9.4-13.2351-600 50 25 26.25-45 13.2-22.5601-900 70 35 45-68 22.5-34901-1000 100 50 68-75 34-37.5
1001-1500 140 70 75-113 37.5-56.51501-2000 200 100 113-150 56.5-75
Remarks • BLOCL : Open suppression tap by phase current.• BYPASS : Open suppression tap by ground fault current.
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Load Break Switch / Auto Section Switch
Ø45
Ø7
B
33 33 30A
Fuse selection table
LBS fuse selected list
Fuse Link Fuse Holder
TypeRated voltage
(kV)
Rated current
(A)
Dimensions(mm) Weight
(kg)
Loop breaking current(kArms)
Minimum breaking current
(In)
TypeRated
voltage(kV)
Rated current
(A)
Insulation class(BIL)A B
LFL-20G-5B
24
5
442
55 2
405
LFH-20G-D2HB 24 200 125
LFL-20G-10B 10
LFL-20G-16B 16
LFL-20G-20B 20
LFL-20G-25B 25
77 4.2
LFL-20G-30B 30
LFL-20G-40B 40
LFL-20G-50B 50
LFL-20G-60B 63
LFL-20G-75C 7587 5.1 25
LFL-20G-100C 100 6
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ø35
4-ø8
P.C.D 52
200 14
3
FLEXIBLE CABLE
MANUAL HANDLEOPERATING TURN RIGHT
FIXED FRAME
FREE ANGLE
MOUNTING HOLE(MANUAL HANDLE)
P.C.D 52
FLEXIBLE CABLEMANUAL HANDLEOPERATING TURN RIGHT
FIXED FRAME
(MANUAL HANDLE)
ADJUSTABLE DIMENSION
MOUNTING HOLE
2�� ���
VertManual operating device
HorizontalManual operating device
LBS installation method
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Load Break Switch / Auto Section Switch
Unit:(mm)
P.C.D 52
20
118.5
10
8A
300300
750 160
910
(402)
(609)
2020
590
580
R14
3
257
PANNEL CUTTING DETAIL "A" SIZE TOLERANCE :
700(CUBICLE MOUNTING HOLES)53
0(C
UB
ICLE
MO
UN
TIN
G H
OLE
S)
700(CUBICLE MOUNTING HOLES)
HANDLE OPERATION ASS'Y
(530
)BU
SBAR
MO
UN
TIN
G H
OLE
S
40
P.C.D 52
20
B
A300
750 160
910
300
40
R143
22.5
27.5
1137
.5
20
(110
5)
20
35
20
MIN. R150
10
8
(605)
(402)
(258)
PANNEL CUTTING DETAIL "A" DETAIL "B" SIZE TOLERANCE :
700(CUBICLE MOUNTING HOLES)
530(
CUBI
CLE
MOU
NTIN
G HO
LES)
557.
5(CU
BICL
E M
OUNT
ING
HOLE
S)
700(CUBICLE MOUNTING HOLES)
(106
5)BU
SBAR
MO
UN
TIN
G H
OLE
S
HANDLE OPERATION ASS'Y
LSJ-L-M-24-6-F-0
LSJ-L-M-24-6-S-0
LBS Dimensions
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PCDø52
100±2
Panel processing dimension (Controller)
Upper termial Lower termial
Panel processingdimension (Cable)
700(CUBICLE MOUNTING HOLES)
910
700
MAIN BODY
580
530(C
UBIC
LE M
OUNT
ING
HOL
ES)
27.5
530
20 15
22.5
178
190±
2
750 160
75
FRAME
300 300
25
150
118.5
75
40
200
R143
HANDLE
50
25
3-ø10
4-ø15
4-ø8
ø35
ø14 ø13
4-ø13
3-ø13
4-ø6.5
t=8 t=8
4-ø8
PCDø52
ø35
20 20
ø13ø14
6-ø13
3-ø1475
118.5
40 35
MAIN BODY
257525
FRAME200
R143
HANDLE
4-ø6.5
3-ø13
6-ø15
100±2
190±
217
8
700(CUBICLE MOUNTING HOLES)
530
(CUB
ICLE
MOU
NTIN
G H
OLES
)
358(
MOU
NTIN
G H
OLES
)
150
910
700
940
27.5
530
358
24.5
300 300
750 160
t=8 t=6
Panel processing dimension (Controller)
Upper termial Lower termial
Panel processingdimension (Cable)
4-ø6.5 FRAME100±2
2575
2575
4-ø8 PCDø52
ø35
6-ø15
3-ø13
6-ø13
ø14 ø13
MAIN BODY
HANDLE
700(CUBICLE MOUNTING HOLES)
530
(CUB
ICLE
MOU
NTIN
G H
OLES
)
177.
5(M
OUNT
ING
HOL
ES)
200
150R143
t=8
40
700
118.5
910750
300 300
160
20 1553
0
27.5
75
810
178
35
t=6
190±
217
8
Panel processing dimension (Controller)
Upper termial Lower termial
Panel processingdimension (Cable)
Unit:(mm)
Standard typeLSJ-J-M-25-2-S
Fuse type (Vertical)LSJ-J-M-25-2-F1
Fuse type (Tilted)LSJ-J-M-25-2-F2
ASS installation method
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Load Break Switch / Auto Section Switch
(603)
257
402
910
750 160
(485)
8
(588
)
580
27.5
22.5
580
1520
8118.5
300 300 25
75 75
25
4-ø153-ø13
3-ø14
700(CUBICLE MOUNTING HOLES)
530(
CU
BIC
LE M
OU
NTI
NG
HO
LES)
(553
(BU
S BA
R M
OU
NTI
NG
HO
LES)
)
910
300 300
750
27.5
(104
6)
(111
3)
24.5
1520
940
160
25
75
215
402
(693)
(756)
8
6
118.5
25
753-ø14
6-ø15
3-ø13
530
(CUB
ICLE
MO
UNTI
NG H
OLE
S)
358(
MO
UNTI
NG H
OLE
S)
(101
1(BU
S BA
R M
OU
NTI
NG
HO
LES)
)
700(CUBICLE MOUNTING HOLES)
910
(701)
402
806
8
(650)
810
(107
1)
(113
8)
27.5
20
75
750
300 300
160
25
75
118.5
25
75
6-ø15
3-ø13
530
(CUB
ICLE
MO
UNTI
NG H
OLE
S)
177.
5 (M
OUN
TING
HO
LES)
(103
6(BU
S BA
R M
OU
NTI
NG
HO
LES)
)
700(CUBICLE MOUNTING HOLES)
Unit:(mm)
Standard typeLSJ-J-M-25-2-S
Fuse type (Vertical)LSJ-J-M-25-2-F1
Fuse type (Tilted)LSJ-J-M-25-2-F2
ASS Dimensions
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Memo
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Load Break Switch / Auto Section SwitchMemo
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Memo
•For your safety, please read user's manual thoroughly before operating.
•Contact the nearest authorized service facility for examination, repair, or adjustment.
•�Please contact qualified service technician when you need maintenance. Do not disassemble or repair by yourself!
•Any maintenance and inspection shall be performed by the personnel having expertise concerned.Safety Instructions
Specifications in this catalog are subject to change without notice due to continuous product development and improvement.
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■ GLOBAL NETWORK
LOAD BREAK SWITCH / AUTO SECTION SWITCH (E) 2016. 08/(01) 2016. 11 Printed in Korea STAFF2016. 11
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