7SA522 Angul-Meramundali

RELAY SETTING FORMAT

Format No. MR/ENGG/07 Rev-0

RECOMMENDED RELAY SETTINGS FOR

PRPD : ANIL KUMAR

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400 kV Meramundali S/C LINE-2 MAIN I Relay ( 7SA522)

CHKD : PK RAY REV : 00 DATE: 24/12/2013

REV : NO.: 00

SUBSTATION: 765/400KV ANGUL

APPD : VIBHAY KUMAR

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ABOVE SETTINGS IMPLEMENTED ON DATE ..

Signature (s/s in charge)

NOTE : SITE TO RETURN THIS SIGNED COPY TO ENGINEERING AFTER IMPLEMENTATION

103 Group Change OPTION Disabled Disabled Enabled

110 Trip Mode 3pole only 1 & 3 pole 1-/3pole

112 Phase Distance Quadrilateral Quadrilateral MHO Disabled

113 Earth Distance Quadrilateral Quadrilateral MHO Disabled

120 Power Swing Disabled Enabled Enabled

121 Teleprot. Dist. PUTT POTT (Line Specific

Setting) POTT UNBLOCKING BLOCKING Disabled

122 DTT Direct Trip Disabled Disabled Enabled

124 SOTF Overcurr. Disabled Enabled Enabled

125 Weak infeed Disabled Disabled Enabled

126 Back-Up O/C Disabled TOC IEC (Enabled for prtn in case of VT fail & for Stub Prtn)

TOC IEC TOC ANSI




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131 Earth Fault O/C Disabled TOC IEC TOC IEC TOC ANSI TOC Logarithm. Definite Time

132 Teleprot. E/F Dir. Comp. Pickup Disabled UNBLOCKING BLOCKING Disabled

133 Auto Reclose Disabled Disabled 1 AR-cycle 2 AR-cycles 3 AR-cycles 4 AR-cycles 5 AR-cycles 6 AR-cycles 7 AR-cycles 8 AR-cycles ADT

134 AR Control Mode Pickup w/Tact Pickup w/Tact

Pickup w/o Tact Trip w/Tact Trip w/o Tact

135 Synchro-Check Disabled Disabled Enabled

137 Overvoltage Disabled Enabled

(not required for 220kV lines)

Enabled




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138 Fault Locator Disabled Enabled Enabled

139 BREAKER FAILURE Disabled Disabled Enabled

140 Trip Circ. Superv Disabled Disabled 1 trip circuit 2 trip circuit 3 trip circuit

Power System Data

201 CT Starpoint Towards Line Towards Line towards Busbar

203 Unom PRIMARY 1.0.1200.0 KV 400

(Line Specific Setting)

204 Unom SECONDARY 80.125 V 110

205 CT PRIMARY 10.5000 A 2000 (Line Specific

Setting)

206 CT SECONDARY 1A 1 5A

210 U4 transformer not connected Not

connected Udelta transformer Usync transformer Ux reference transformer




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211 Uph/Udelta 0.10.9.99 1.73

212 Usync connect L1-E L1-E L2-E L3-E L1-L2 L2-L3 L3-L1

214 Usync-Uline 0.36 0

215 U-line / Usync 0.80.1.20 1

220 14 transformer Not connected Neutral current (Line Specific Setting -

1.For D/C lines= Neutral Current of Parallel line with wiring of

Mutual compensation,

2.For S/C lines= Not Connected or if neutral is

wired in I4 wdg.of relay then Neutral Current of

protected line)

Neutral Current (of

of parallel line

the protected line)

Neutral Current of the parallel line Starpoint Curr.of earthed power transf.

221 I4/Iph CT 0.010.5.000 1

230 Rated Frequency 50 Hz 50 Hz 60 Hz

235 PHASE SEQ L1L2L3 L1L2L3 L1L3L2

236 Distance Unit km km




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miles

237 Format Z0/Z1 Zero seq. comp.factors

Zero seq. comp.

RE/RL and XE/XL

factors RE/RL and

XE/XL Zero seq.comp. Factor KO and angle(KO)

239 T-CB close 0.01..0.60 sec 0.05 sec (

Not required )

240 Tmin TRIP CMD 0.02..30.00 sec 0.10 sec

241 Tmax CLS CMD 0.01..30.00 sec

0.10 sec ( Not required )

242 T-CB test-dead 0.00..30.00 sec 1.0 Second

302 CHANGE Group A Group A Group B Group C Group D Binary Input Protocol

D R Settings

402A WAVE FORM CAPTURE

Save with Pickup

Save With Pick Up

(If Auto-down loading of DR

is on then save with pickup,

otherwise save with Trip)

Save with TRIP Start with TRIP




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403A SCOPE OF WAVE FORM DATA Fault event

Power System Fault

Power System fault

410 MAX LENGTH 0.30..5.00 sec 3.00 sec

411 PRE. TRING. TIME 0.05..5.00 sec 0.5

412 POST REC. TIME 0.05..5.00 sec 2

415 Binin CAPT.TIME 0.10..5.00 sec 1.0 seconds

610 Flt Disp. LED/LCD

DIsplay Targets on every

Display Targets on

every Pickup Pickup Display Targets on DROP only

Line Parametrs ( In ohms/perkm/per phase primary ohms )

R1 = 0.0288

(Line Specific Setting, given

data is for 400kV Twin Moose D/C

line )

X1 = 0.328

Ro = 0.285 Xo = 1.02

RoM = 0 XoM = 0

Zone Reaches ( In percentage )




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Z1 = 80.00%

(Line Specific Settings)

Z1B = 120.00% Z2 = 120.00% Z3 = 653.00% Z4 Reverse = 20.00% Z5 = 653.00%

Station Name 400/220kV Angul

Line Name

400kV S/C Angul-Meramundali

General Protection Data

1103 Full Scale Volt. 1.0.001200 kV 400

(Line Specific Setting, given


line )

1104 Full Scale Curr. 10..5000 A 2000

1105 Line Angle 30..89 85

1110 x' 0.005..6.500 Ohm/km 0.1804

1111 Line Length 1.0..1000.0 km 18

1112 x' 0.005..10.500 Ohm/mile NA

1113 Line Length 0.6..650.0 Miles NA

1116 RE/RL(Z1) -33.7 2.97 (Line Specific Setting, given


1117 XE/XL(Z1) -33.7 0.70




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1118 RE/RL(Z1B..Z5) -33.7 2.97 line, however, max value of

RE/RL is to be limited to 2 even if it is

coming more than 2 as per

conductor parameters)

1119 XE/XL(Z1B..Z5) -33.7 0.70

1120 K0(Z1) 0.000.4.00 0.74

1121 Angle KO(Z1) -135.00135 -15.30 (Line Specific Setting, given


line )

1122 KO(Z1) 0.000.4.000 0.74

1123 Angle KO(>Z1) -135.00135 -15.30

1126 RM/RL Paraline 0.00..8.00 0.00

1127 XM/XL Para Line 0.00..8.00 0.00

1128 RATIO Par. Comp 50.95% 0.85

1130 Pole Open Current 0.05..1.00 A 0.1 Amps (around 10% of 1Amp)

1131 Pole Open Voltage 2.70 A 20 V (around 30% of 63.5volt)

1132 Sl Time all Cl. 0.01..30.00 0.2 seconds

1133 Minimum Time for Line Open 0.05 -30 0.5 seconds before SOTF

1134 Line Closure Manual Close BI only Current OR voltage or Manual close BI

Current OR voltage or Manual close BI

Cbaux OR Current or




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Man- ual close BI Current flow or Manual close BI

1135 Reset Trip CMD with Pole Open Current

with Pole Open Current

Threshold only Threshold only

with Cbaux AND Pole Open Current

1136 Open Pole Detector Off With

Measurement with Cbaux AND Pole Open Current With Measurement

1140 I-Ctsat. Thres. 0.2..50.0 A 20 Amps

(approx. limited to fault level)

1150 Sl Time Man.Cl 0.01..30.00 sec 0.2 Seconds

1151 SYN.MAN.CL

with Synchronism-check No without Synchronism-check NO

1155 3pole coupling with Pickup With Trip with Trip

1156 Trip2ph Flt 3 pole 3 pole 1 pole, leading phase 1 pole, lagging




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phase

Distance Protection data

1201 FCT Distance ON ON OFF

1202 Minimum Iph> 0.10..4.00 A 0.1

1203 310> Threshold 0.05..4.00 A 0.10

1204 3U0> Threshold 1..100 V 5 V

1207 310>/Iphmax 0.05..0.30 0.15

1208 Series Compensation Yes/ No No (Line Specific

Setting)

1209 EF Recognition 3I0> or 3U0> 3I0> or 3U0> 3I0> and 3U0>

1210 Start timers On Dis P/U On Dis P/U On Zone P/U

1215 Parall. Line Comp NO YES (Line Specific

Setting) YES

1221 2Ph-E faults Blcok leading ph-e loop All loops block lagging ph-e loop all loops only phase-phase loops only phase-earth loops

1232 SOFT Zone with Pickup(non-

with Zone Z1B




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directional) with Zone Z1B Inactive

1241 R load (ph-E) 0.10..250.00 Ohm

Guidelines- RLoad (Primary value): 400kV Twin Conductor = 86ohm 400kV Tripple/Quad Conductor=

65ohm, 765kV Quad Conductor= 135ohm, 220kV Single Conductor= 98ohm,

(In relay to be fed in secondary ohms), Angle Load - Short

Lines(upto 200kM) =26deg, Long Lines(more than 200kM &

220kV) =35deg

1242 Angle Load (ph-E) 20.60 degree

1243 R load (ph-ph) 0.10..250.00 Ohm

1244 Angle load (ph-ph) 20..60 degree

Distance Protection with polygonal tripping Chatracteristic

1301 Op. mode Z1 Forward Forward Reverse Non-directional Inactive

1302 R(Z1) (ph-ph) 0.05..250.00 Ohm 8.25

1303 X(Z1) 0.05..250.00 Ohm 2.60

1304 RE(Z1) Ph-E 0.05..250.00 Ohm 30.25

1305 T1 - 1 phase 0.00..30.00 sec 0.00 sec

1306 T1 - multi-phase 0.00..30.00 sec 0.00 sec

1307 Zone reduction 0..30 degree 5 degree




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1311 Op.mode Z2 Forward Forward Reverse Non-Directional Inactive

1312 R(Z2) ( ph-ph) 0.05..250.00 Ohm 16.50

1313 X (Z2) 0.05..250.00 Ohm 3.90

1314 R(Z2) O-E 0.05..250.00 Ohm 38.50

1315 T2-1 phase 0.00 - 30.00 sec 0.3 Secs (line specific)

1316 T2- multi phase 0.00 - 30.00 sec 0.3 secs

1317 Trip 1 pole Z2 NO NO YES

1321 Op. mode Z3 Forward Forward Reverse Non-Directional Inactive

1322 R(Z3) ph-ph 0.05..250.00 Ohm 27.50

1323 X(Z3) 0.05..250.00 Ohm 21.20

1324 R(Z3) ph-E 0.05..250.00 46.75




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Ohm

1325 T3 DELAY 0.00..30.00 sec 1.0 secs

(region specific)

1325 T3 DELAY 0.00..30.00 sec 1.0 secs

1331 Op. mode Z4 Forward Reverse Reverse Non-Directional Inactive

1332 R(Z4) ph-ph 0.05..250.00 Ohm 8.25 (equal to Z3 reach for long line-more 100kM, equal to

Z1 reach for short line)

1333 X ( Z4 ) 0.05..250.00 Ohm 0.65

(10 to 20% of protected line)

1334 R(Z4) ph-E 0.05..250.00 Ohm 30.25

1335 T4 DELAY 0.00..30.00 sec 1.1 sec (Tz3+0.1sec)

1341 Op. mode Z5 Forward Non

Directional To act as

Non directional starter with infinite time delay and

reach equal to 120% of

Zone3 reach

Reverse Non-Directional Inactive

1342 R(Z5) ph-ph 0.05..250.00 Ohm 33.00

1343 X ( Z5 ) 0.05..250.00 Ohm 21.20




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1344 R(Z5) ph-E 0.05..250.00 Ohm 50.48

1345 T5 DELAY 0.00..30.00 sec infinite (oo)

1346 X(Z5) - 0.05..250.00 Ohm 21.20

1351 Op. mode Z1B Forward Forward Reverse Non-Directional Inactive

1352 R(Z1B) ph-ph 0.05..250.00 Ohm 16.50

1353 X(Z1B) 0.05..250.00 Ohm 3.90

(line specific = Zone2 reach)

1354 R(Z1B) ph-E 0.05..250.00 Ohm 38.50

1355 T1B-1 phase 0.00 - 30.00 sec 0.0 secs

1356 T1B- multi phase 0.00 - 30.00 sec 0.00 sec

1356 T1B- multi phase 0.00 - 30.00 sec 0.00 sec

1357 1st AR-> Z1B NO No YES

Power Swing Settings




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2002 P/S Op. mode all zones blocked

Z2 to Z5 blocked

Z1/Z1B blocked Z2 to Z5 bocked 1.Z1B,Z2 blocked

2006 Power Swing trip NO NO (Applicable only for Out of Step Tripping)

YES

2007 Trip Delay after Power swing blocking 0.08 to 5 sec 2sec

(unblocking time for power swing)

Distance protection teleprotection Schemes

2101 FCT Telep. Dis. ON ON YES

2102 Type of Line Two terminals Two

terminals Three terminals

2103 Send Prolong 0.00 - 30.00 sec 0.07 sec

2107 Delay for alarm 0.00 - 30.00 sec NA

2108 Release Delay 0.00 - 30.00 sec NA

2109 TrBlk Wait Time 0.00 - 30.00 sec NA

2110 TrBlk Block Time 0.00 - 30.00 NA




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sec

2201 FCT Direct Trip ON NO OFF

2202 Trip time DELAY 0.00 - 30.00 sec NA

2401 FCT SOTF-O/C ON ON OFF

2404 I>>> 0.00 - 25.00 A 1.5 Amps (for long lines 1.5pu, for short lines 2.5pu)

Weak End Infeed

2501 FCT Weak Inteed OFF OFF Echo only Echo and Trip

Back up O/C current Function Settings

2601 Operating Mode ON Only Active with Loss of

Only Active with Loss of

VT sec. Circuit

VT sec. Circuit OFF

2630 Iph> STUB 0.10..25.00 A 2.0A

2631 T Iph STUB 0.00..30.00 sec 0.1 sec




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2632 310> STUB 0.05..25.00 A 2.0 A

2633 T 310> STUB 0.00..30.00 sec 0.1 sec

2634 I -STUB Tele/B1 NO NO YES

2635 I -STUB SOTF NO NO YES

YES

2680 SOTF Time DELAY 0.00..30.00 sec 0.2 Secs

Supervision function Settings

2901 MEASURE SUPERV ON OFF YES

2910 FUSE FAIL MON ON ON OFF

2911 FFM U> (min) 10.100 V 50 Volts

2912 FFM U> (max) 0.10..1.00 A 0.2 Amps

2913 FFM U




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Earth Fault Overcurrent Settings

3101 FCT EarthFltO/C ON ON OFF

3102 BLOCK for Dist. With every Pickup

With every Pickup

with single-phase Pickup with multi-phase Pickup NO

3103 BLOCK 1pDead Tim YES YES NO

3104 lph-STAB Slope 0- 30 % 10%

3105 31oMin Teleprot 0.01..1.00 A NA

3105 31oMin Teleprot 0.003..1.000 A NA

3109 Trip 1 pole in E/F Yes/ No No

3110 Op. mode 310 >>> Forward Inactive Reverse Non-Directional Inactive

3120 Op. mode 310>> Forward Inactive Reverse Non-Directional Inactive

YES




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3130 Op. mode 310> Forward Inactive Reverse Non-Directional Inactive

3140 Op. mode 310p Forward Forward Reverse Non-Directional Inactive

3141 310p PICKUP 0.20..25.00 A 0.1

3143 310p Time Dial 0.05..3.00 sec 0.58 (Line Specific

Setting)

3144 310p Time Dial 0.50..15.00 NA

3145 310p Time Dial 0.50..15.00 sec NA

3146 T 310p MaxT DELAY 0.00..30.00 sec NA

3147 Add.T-DELAY 0.00..30.00 sec 0

3148 310p Telep/B1 NO NO YES

3149 310p SOTF-Trip NO NO YES

3150 310p InrushBlk NO NO




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YES

3151 IEC curve Normal Inverse

Normal Inverse

Very Inverse Extremely Inverse Long time Inverse

3152 ANSI Curve Inverse NA Short Inverse Long Inverse Moderately Inverse Very Inverse Extremely Inverse Definite Inverse

3153 LOG Curve Logarithmic Inverse NA

3154 310p Startpoint 1.0..4.0 NA

3160 POLARIZATION with UO and 1Y (dual

with U2 and I2 (negative sequence)

polorized) with 1Y (transformer star point current) with U2 and I2 (negative sequence)

3162 Dir. ALPHA 0..360 degree 338 degree




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3163 Dir. BETA 0..360 degree 122 degree

3164 3U0> 0.5..10.0 V 2 V

3165 IY> 0.05..1.00 A 0.2 A

3166 3U2> 0.5..10.0 V 5 V

3167 312> 0.05..1.00 A 0.1

3170 2nd InrushRest 10..45% NA

3171 Imax InrushRest 0.50..25.00 A NA

3172 SOTF Op. Mode with Pickup (non- NA directional) with Pickup and direction

3173 SOTF Time DELAY 0.00..30.00 sec NA

Teleprotection for Earth fault Relay

3201 FCT Telep. E/F ON OFF OFF

3210 TrBlk lock time 0.00..30.00 sec NA

Auto reclose Function

3401 Automatic Reclosure ON / OFF OFF




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Synchronism Function

3501 FCT Synchronism ON/ OFF OFF

Voltage Protection Function

3701 FCT U Phase - e OFF ON (line specific) ALARM ONLY ON U> Alarm U>>Trip

3702 Uph -e> 1.0-170 Volts 69.30 (stg1=110% - line specific)

3703 T Uph -e > 0.00-30.00 secs

4 sec for Ckt-I & 5 sec for Ckt-II

3704 Uph -e>> 1.0-170 Volts 94.50 (stg2=150%)

3705 T Uph -e >> 0.00-30.00 secs 0.1 secs

3721 3 Uo > Staus OFF OFF ALARM ONLY ON

3722 3 Uo 1.00 -220 volts 31.75

3723 3 Uo Reset ratio 0.50 - 0.95 0.95

3724 T 3 Uo 0.00- 0.30 secs 0.1

3725 T sen Impulse 3Uo 0.05-0.50secs 0.1




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Fault Locator Settings

3802 START Pick Up Trip Trip

3805 Parallel line Compensation NO YES (line specific)

YES

3806 Load Compensation NO YES YES

Breaker Failure Function Settings

3901 FCT Breaker Failure ON OFF OFF

Trip Circuit supervision

4001 FCT Trip Supervision ON OFF OFF

Documents

7SA522 Angul-Meramundali