22P142BUS.xls

INPUT_DATA

Please change only the data written in BLUE color

Name of SubstationContract No.ProtectionRelay FunctionTypeSerial No.Rated VoltageRated transformerLowside VoltagePercentage of Phase Current SetPercentage of Ground Current SetCT Ratio Primary

Secondary

SLG Fault Current at 115 KVPhase Operating Time

Ground Operating Time

Instanteneous Settings ( for Ground Fault)

Instanteneous Time

SET I>> = 1 * MAX FAULT 22KV

SET IE>> = 1 * MAX FAULT 22KV

22kV 3 PHASE FAULT = 34944.4 AINST. FAULT SETTING = BLOCK22kV SLG FAULT = 9831.8 AINST. FAULT SETTING =1872

tI>> = 0.25

SLG Fault Current at 115 KV

Instanteneous Time

3f Fault Current at 115 KV

Instanteneous Settings ( for 3f Overcurrent)

3f Fault Current at 115 KV

INPUT_DATA

22kV 3 PHASE FAULT = 6685.02 A

INST. FAULT SETTING = 7362 A

22kV SLG FAULT = 1880.87 A


tI>> = 0.6

Relay Function

Type

Percentage of Overloading

Relay Operating Time

Rate Current

Time Delay

U< 3 sec

U<< 1.5 sec

U> 2 sec

U>> 1 sec

Formula

ST 0.05 0.04

SI 0.14 0.02

IN 9.4 0.7

VI 13.5 1

EI 80 2

LT 120 1

2

2

K IF

I> 0.14 3.714

Ie> 0.14 1.045

INPUT_DATA

ROT CHANA

PEA - TSD.6.1.P-3.7/2550

22 kV BUS SECTION FEEDER50 / 51 & 50/51G 50BF set I<AREVA P142

primary

115 kV 115000 V

50 MVA22 kV

125 %25 %

1800 A 1800

1 A34,944.40 A 6685.02 A9,831.80 A 1880.87 A

0.6 Second

0.6 Second xIn

34,944.40 6685.01565217391 3.71

9831.8 1880.86608695652 1.04

0.25 Second

1

1

For LV coordinate

34,944.40 A9,831.80 A

0.6 Second

INPUT_DATA

For HV coordinate

50 / 62BF

MICOM P127

10 %

0.3 Sec

3,156.00

Short Time Inverse

Standard Inverse

Inverse

Very Inverse

Extremely Inverse

Long Time Inverse

IS α

0.92 0.02

0.19 0.02

INPUT_DATA

secondary115 V 66.4

pri sec ratio300 1 300600 1 600

Through fault to high sideThrough fault to high side

Through fault to Low side

1.04 1872

INPUT_DATA

SUBSTATION : ROT CHANA CONTRACT NO. :

PROTECTION : 22 kV BUS SECTION FEEDER

RELAY Fn. : 50 / 51 & 50/51G TYPE :

CALCULATED BY : DATE :

APPROVED BY : DATE :

REMARKS :

Capacity of Transformer line = (50 MVA / SQ.RT.3 * 22 kV )

= 1312.16

Rated Current = 1312.16

Select CT RATIO = 1800

For Phase Fault SettingsMinimum Pick up current at 125% of Full Load Current of Transformer

= 1640.20

= 0.911

= 0.911

Relay setting value I> = 0.920

= 6,685.02

= 3.714

= 3.714

= 4.037

Select Standard Inverse Curve (SI)

= 4.037

Time , T = 0.14 * ( TMS ) / [ ((IF / Is)^0.02)-1]

= 4.9465 * (TMS)

Required Operating Time = 0.6

TMS = 0.121

Choose TMS I> Setting = 0.125

Ins. Setting I>> = 4.09

Ins. Setting Time = 0.25

Actual Operating Time I> = 0.618

For Ground Fault SettingsMinimum Pick up current at 25% of Full Load Current of Transformer

= 328.040

= 0.182

= 0.182

Relay setting value Ie> = 0.190

Maximum SLG Fault current = 1,880.87

= 1.045

= 1.05

= 5.50

Select Standard Inverse Curve (SI)

= 5.50

Time , T = 0.14 * ( TMS ) / [ ((IF / Is)^0.02)-1]

= 4.0366 * (TMS)

Required Operating Time = 0.6

TMS = 0.149

Choose TMS I> Setting = 0.125

Maximum 3 f Fault current

IF / Is

IF / Is

Ins. Setting Ie>> = 4.09

Ins. Setting Time = 0.25

Actual Operating Time Ie> = 0.505

PEA - TSD.6.1.P-3.7/2550

AREVA P142

(50 MVA / SQ.RT.3 * 22 kV )

A

/ 1 A

A Primary

A Secondary

A (SEE ANNEX)

A Secondary

0.14 * ( TMS ) / [ ((IF / Is)^0.02)-1]

Second

(~ 110% Max. Fault)

Second

Second

A Primary

A Secondary

A (SEE ANNEX)

A Secondary

0.14 * ( TMS ) / [ ((IF / Is)^0.02)-1]

Second

IN

IN

IN

Is

IN

IN

IN

Is

(~ 110% Max. Fault)

Second

Second



RELAY Fn. : 50BF set I< TYPE :

CALCULATED BY : DATE :

APPROVED BY : DATE :

REMARKS :

Capacity of Transformer line = (50 MVA / SQ.RT.3 * 22 kV )

= 1312.16

Rated Current = 1312.16

Select CT RATIO = 1800

For Breaker Failure SettingsPick up under current at 10% of CT Rating

= 180.00

= 0.100

= 0.100

Relay setting value I< = 0.100

= 6,685.02

= 3.714

Breaker Failure I< < 3.714

Breaker Failure is operated at Phase Fault

Maximum SLG Fault current = 1,880.87

= 1.045

Breaker Failure I< < 1.045

Breaker Failure is operated at Earth Fault

Time of BF Tbf = 300

Maximum 3 f Fault current

PEA - TSD.6.1.P-3.7/2550

AREVA P142

(50 MVA / SQ.RT.3 * 22 kV )

A

/ 1 A

A Primary

A Secondary

A (SEE ANNEX)

A Secondary

A Secondary

A (SEE ANNEX)

A Secondary

A Secondary

ms

IN

IN



RELAY FUNCTION : 50 / 51 & 50/51G TYPE :

SETTING FOR AREVA : P142 RELAY

Setting

SYSTEM DATA Language English Sys Fn Lonks 0

Description MiCOM P142Plant Reference MiCOMFrequency 50 Hz

CB CONTROL CB Control by Opto+Local

Close Pulse Time 500 ms Trip Pulse Time 500 ms Man Close Delay 10 s

CB Healthy Time 5 s Reset Lockout by CB Close Man Close RstDly 5 s CB Status Input None

DATE AND TIME Battery Alarm Disabled,Enabled

CONFIGURATION Setting Group Select via Menu Active Settings Group 1 Setting Group 1 Enabled Setting Group 2 Disabled

Setting Group 3 Disabled Setting Group 4 Disabled System Confic Invisible Overcurrent Enabled Neg Sequence O/C Disabled Broken Conductor Disabled Earth Fault 1 Enabled Earth Fault 2 Disabled SEF/REF Prot'n Disabled Residual O/V NVD Disabled Thermal Overload Disabled Neg Sequence O/V Disabled System Check Enabled Cold Load Pickup Disabled Selective Logic Disabled Admit Protection Disabled Volt Protection Disabled Freq Protection Disabled df/dt Protection Disabled CB Fail Enabled Supervision Enabled Fault Locator Enabled System Checks Disabled

Auto-Reclose Disabled Input Labels Visible Output Labels Visible CT & VT Ratios Visible Recorder Control Invisible Disturb Recorder Invisible Measure 't Setup Invisible

Comms Settings Visible Commission Tests Visible

Setting Values Secondary Control Inputs Visible Ctrl I/P Config Visible Ctrl I/p Labels Visible LCD Contrast 11

CT AND VT RATIOS Main VT Primary 115 kV Main VT Sec'y 115 V Phase CT Primary 115 kV Phase CT Sec'y 115 V E/F CT Primary A E/F CT Secondary A SEF CT Primary 1800 A SEF CT Secondary 1 A

CB MONITOR SETUP Broken I^ 2 I^ Maintenance Alarm Disabled I^ Maintenance - A I^ Lockout Alarm Disabled I^ Lockout - A No. CB Ops Maint Alarm Disabled No. CB Ops Maint - A No. CB Ops Lock Alarm Disabled No. CB Ops Lock - A CB Time Maint Alarm Disabled CB Time Maint - ms CB Time Lockout Alarm Disabled CB Time Lockout - ms Fault Freq Lock Alarm Disabled Fault Freq Count - Fault Freq Time 3600 s Reset Lockout By CB Close Man Close RstDly 5 s

OPTO CONFIG Global Nominal V 110/125V Opto Filter Cntl 0000 0001 Characteristic Standard 60%-80%

Group1 Overcurrent I>1 Function IEC S Inverse I>1 Directional Non-Directional km I>1 Current Set 0.92 I>1 TMS 0.1 I>1 DT Adder 0.0 I>1 tRESET 0 I>2 Function DT

I>2 Direction Non-Directional I>2 Current 4.09 I>2 Time Delay 0.25 s I>2 tRESET 0.00 s I>3 Status Disable I>4 Status Disable I> Blocking 00000000 I> Char Angle 1.32 Deg VCO Status Disable

Group1 Earth Fault 1 : In1>1 Function IEC S Inverse In1>1 Direction Non-Directional In1>1 Current 0.19 In1>1 TMS 0.125 In1>1 DT Adder 0.00 s In1>1 tRESET 0.00 s In1>2 Function DT In1>2 Direction Non-Directional In1>2 Current 4.09 In1>2 Time Delay 0.25 s In1>2 tRESET 0.00 s In1>3 Status Disable In1>4 Status Disable In1> Blocking 000000 In1> Char Angle 0.00 Deg In1> Pol Zero Sequence In1> Vnpol Set 20.00 V

Group1 CB Fail & I< : CB Fail 1 Status Enable CB Fail 1 Timer 300.0 ms CB Fail 2 Status Disable Volt Prot Reset CB Open & I< Ext Prot Reset CB Open & I< I< Current Set 100 mA In< Current Set 100 mA ISEF< Current 20 mA Remove I> start Disable s Remove IN> start Disable

Group 1 Supervision VTS Status DT VTS Reset Mode Manual VTS Time Delay 2.000 s VTS I> Inhibit 0.00 A VTS I2> Inhibit 0.00 ms CTS Status Disable

GROUP 1 Fault Locator Line Length 0.000 mi Line Impedance 0.00 Ohm Line Angle 0.00 Deg KZN Residual 0.000 KZN Res Angle 0.00 Deg

GROUP 1 Input Labels

Opto Input 1 Input L1 Opto Input 2 Input L2 Opto Input 3 Input L3 Opto Input 4 Input L4 Opto Input 5 Input L5 Opto Input 6 Input L6 Opto Input 7 Input L7 Opto Input 8 Input L8

GROUP 1 Output Labels Relay 1 Output R1 Relay 2 Output R2 Relay 3 Output R3 Relay 4 Output R4 Relay 5 Output R5 Relay 6 Output R6 Relay 7 Output R7 Relay 8 Output R8 Relay 9 Output R9 Relay 10 Output R10 Relay 11 Output R11

AREVA P142

Setting Range

Min Max Step

English, Franais0=Trip LED, 1=Reset

MiCOM P142

50Hz 60Hz 10Hz

Disabled,Local,RemoteLocal+RemoteOpto,Opto+Local,Opto+Remote

Opto+Rem+Local100 ms 10 s 10 ms100 ms 5 s 10 ms100 ms 600 s 10 ms100 ms 999 s 10 ms

User Interface, CB Close100 ms 999 s 10 ms

None,52A,52B,Bolt 52A AND 52B

Select via Menu,Select via OptoGroup 1-4

Disabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledInvisible,VisibleDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,EnabledDisabled,Enabled

Disabled,EnabledInvisible,VisibleInvisible,VisibleInvisible,VisibleInvisible,VisibleInvisible,VisibleInvisible,VisibleInvisible,VisibleInvisible,Visible

Primary,SecondaryInvisible,VisibleInvisible,VisibleInvisible,Visible 0.01s

0 31 1

0.04s 100s 0.01sNo or Yes or Dir

0.5 In 40 In 0.01 InDMT or IDMT or RI

CRUVE0.025 1.5 0.025

0s 150s 0.01sNo or Yes or Dir

1 2 0.1Alarm Enabled, Alarm Disabled

1A 25kA 1AAlarm Enabled, Alarm Disabled

1A 25kA 1AAlarm Enabled, Alarm Disabled

1 10000 1Alarm Enabled, Alarm Disabled

1 10000 1Alarm Enabled, Alarm Disabled

5 ms 500 ms 1 msAlarm Enabled, Alarm Disabled

5 ms 500 ms 1 msAlarm Enabled, Alarm Disabled

0 9999 10 s 9999 s 1 s

CB Close ,User interface10 ms 600 s 10 ms

30/34V,48/54V,110/125V,220/250V,CustumInput L1-L8

Standard 60%-80%,50%-70%

IEC S,V,E Inverse, UK LT Inverse, UK RectifierNon-Directional, Directional Fwd,Rev

0.08 4 0.010.025 A 1.2 A 0.005 A

0s 100 s 10 ms0 s 100 s 10 ms

Disable,IEC S,V,E Inverse,UK LT Inverse,UK Rectifier

Non-Directional, Directional Fwd,Rev80 mA 4 A 10 mA

0 s 200 s 0.01 s0 s 100 s 11 ms

Disable,EnableDisable,Enable

VTS Blocks I>1-4, AR Blocks I>3-4(-95) 95 1 Deg

Disable,I>1,I>2,Bolt I>1& I>2

IEC S,V,E Inverse, UK LT Inverse, UK RectifierNon-Directional, Directional Fwd,Rev

80 mA 4 A 10 mA0.025 1.2 0.005

0 s 100 s 10 ms0 s 100 s 11 ms

Disable,IEC S,V,E Inverse,UK LT Inverse,UK RectifierNon-Directional, Directional Fwd,Rev

80 mA 4 A 10 mA0 s 200 s 0.01 s0 s 100 s 11 ms

Disable,EnableDisable,Enable

VTS Blocks I>1-4, AR Blocks I>3-4(-95) 95 1 Deg

Zero Sequence, Neg Sequence2 V 320 V 2 V

Disable,Enable0 s 10 s 10 ms

Disabled,EnabledI<Only,CB Open & I<,Prot Reset & I<I<Only,CB Open & I<,Prot Reset & I<

0.02 A 3.2 A 0.01 A0.02 A 3.2 A 0.01 A1 mA 800 mA 500 uA

Disabled,EnabledDisabled,Enabled

Blocking,IndicationManual,Auto

1 s 10 s 0.1 s80 mA 32 A 0.01 A50 mA 500 mA 10 mA

Disable,Enable

0.005 mi 621 mi 0.005mi0.4 Ohm 1000 Ohm 0.04 Ohm

20 85 1 Deg0 7 0.01

(-90) 90 1 Deg

GRAPH_DATA

t = 0.14 x (TMS)/((IF/IS)^0.02-1)

t t

PH O/C E/F O/C

through phase o/c

side A

1792.9545 343

2054.3182 393

2315.6818 443

2577.0455 493

2838.4091 543

3099.7727 593

3361.1364 643

3622.5 693

3883.8636 743

4406.5909 843

4929.3182 943

5452.0455 1043

5974.7727 1143

6497.5 1243

IF

GRAPH_DATA

7020.2273 1343

7542.9545 1443

8065.6818 1543

8745.2482 1673.004 85.6432

9111.1573 1743.004 17.0794

9477.0664 1813.004 9.6512

9842.9755 1883.004 6.8025

10208.885 1953.004 5.2955

10574.794 2023.004 4.3624

10940.703 2093.004 3.7275

11306.612 2163.004 3.2673

11672.521 2233.004 2.9182

12038.43 2303.004 2.6443

12404.339 2373.004 2.4235

12770.248 2443.004 2.2416

13136.157 2513.004 2.0892

13502.066 2583.004 1.9596

13867.975 2653.004 1.8479

14233.885 2723.004 1.7507

14599.794 2793.004 1.6652

GRAPH_DATA

14965.703 2863.004 1.5895

15331.612 2933.004 1.5220

15697.521 3003.004 1.4613

16063.43 3073.004 1.4066

16429.339 3143.004 1.3568

16795.248 3213.004 1.3114

17161.157 3283.004 1.2698

18729.339 3583.004 1.1250

20297.521 3883.004 1.0180

21865.703 4183.004 0.9356

23433.885 4483.004 0.8699

25002.066 4783.004 0.8162

26570.248 5083.004 0.7715

28138.43 5383.004 0.7335

29706.612 5683.004 0.7009

31274.794 5983.004 0.6725

32842.975 6283.004 0.6475

33365.703 6383.004 0.6398

33888.43 6483.004 0.6324

34411.157 6583.004 0.6253

GRAPH_DATA

34672.521 6633.004 0.6219

34933.885 6683.004 0.6185

35195.248 6733.004 0.6151

35456.612 6783.004 0.6119

35717.975 6833.004 0.6086

35979.339 6883.004 0.6055

36240.703 6933.004 0.6024

36502.066 6983.004 0.5993

36554.339 6993.004 0.5987

36815.703 7043.004 0.5957

37077.066 7093.004 0.5928

37338.43 7143.004 0.5899

37599.794 7193.004 0.5871

37704.339 7213.004 0.5859

37808.885 7233.004 0.5848

37913.43 7253.004 0.5837

38017.975 7273.004 0.5826

38122.521 7293.004 0.5815

38227.066 7313.004 0.5804

38331.612 7333.004 0.5793

GRAPH_DATA

38436.157 7353.004 0.5783

38483.182 7362 0.2500

38535.455 7372 0.2500

38587.727 7382 0.2500

38640 7392 0.2500

38692.273 7402 0.2500

38744.545 7412 0.2500

38796.818 7422 0.2500

38849.091 7432 0.2500

38901.364 7442 0.2500

39946.818 7642 0.2500

40992.273 7842 0.2500

42037.727 8042 0.2500

43083.182 8242 0.2500

44128.636 8442 0.2500

45174.091 8642 0.2500

46219.545 8842 0.2500

47265 9042 0.2500

48310.455 9242 0.2500

52492.273 10042 0.2500

GRAPH_DATA

56674.091 10842 0.2500

60855.909 11642 0.2500

65037.727 12442 0.2500

69219.545 13242 0.2500

73401.364 14042 0.2500

77583.182 14842 0.2500

81765 15642 0.2500

85946.818 16442 0.2500

90128.636 17242 0.2500

94310.455 18042 0.2500

99537.727 19042 0.2500

104765 20042 0.2500

109992.27 21042 0.2500

115219.55 22042 0.2500

120446.82 23042 0.2500

125674.09 24042 0.2500

130901.36 25042 0.2500

136128.64 26042 0.2500

141355.91 27042 0.2500

146583.18 28042 0.2500

GRAPH_DATA

151810.45 29042 0.2500

156818.18 30000 0.2500

GRAPH_DATA

GROUND o/c

299.6785

6.2863

3.3728

2.3839

1.8840

1.5811

1.3772

1.2303

1.1190

0.9612

0.8540

0.7760

0.7165

0.6693

GRAPH_DATA

0.6310

0.5991

0.5720

0.5425

0.5286

0.5159

0.5043

0.4935

0.4836

0.4743

0.4657

0.4576

0.4501

0.4430

0.4363

0.4300

0.4241

0.4184

0.4131

0.4080

GRAPH_DATA

0.4031

0.3985

0.3941

0.3898

0.3858

0.3819

0.3782

0.3638

0.3515

0.3408

0.3314

0.3230

0.3155

0.3088

0.3027

0.2971

0.2919

0.2903

0.2887

0.2872

GRAPH_DATA

0.2864

0.2857

0.2850

0.2842

0.2835

0.2828

0.2821

0.2814

0.2813

0.2806

0.2799

0.2793

0.2786

0.2783

0.2781

0.2778

0.2776

0.2773

0.2770

0.2768

GRAPH_DATA

0.2765

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

GRAPH_DATA

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

0.2500

GRAPH_DATA

0.2500

0.2500

GRAPH_DATA

360.8

10 100 1000 10000 1000000.01

0.10

1.00

10.00

100.00TIME COORDINATION OF OVERCURRENT PROTECTION

( 22kV HIGH SIDE )

FAULT CURRENT(A)

OP

ER

AT

ING

TIM

E (S

)



3 PHASE FAULT

- - - - - SLG FAULT

22kV SLG FAULT = 1880.87 A


100 1000 10000 1000000.01

0.10

1.00

10.00

100.00TIME COORDINATION OF OVERCURRENT PROTECTION

( 115kV HIGH SIDE )TRANSFER TO 22kV

FAULT CURRENT THROUGH 22kV SIDE(A)

OP

ER

AT

ING

TIM

E (

S)

115kV HIGH SIDE O/C PHASE


INST. FAULT SETTING = BLOCK

3 PHASE FAULT

- - - - - SLG FAULT

22P142BUS.xls

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Transcript of 22P142BUS.xls