AM RET670 SettingExample1 RB

Setting of Transformer protection terminal type RET670 v1.0 Transformer: Frequency: Rated data:

CT ratio Wind 1 CT ratio Wind 2

=T1

=T2

50 Hz Rated Power Voltage ratio Tap changer + Wind 1 - Ir1 Wind 2 - Ir2

respectively

500 MVA / 415 kV / 9 /696 A 1255 A

500 MVA 230.0 kV 9 * 1.67 %

YNyn0d Connection ONAF Cooling 0.120 p.u. Impedance 420 MVA at Base 1000 / 1 A 2000 / 1 A 420 / 0.110 kV 230 / 0.110 kV

VT ratio Wind 1 VT ratio Wind 2

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1. Terminal identification StationName: StationNumber: ObjectName: Object Number: UnitName: UnitNumber: Relay serial No Frequency Aux voltage

Station C 1 Transformer 1 =T1 Vector group 2 winding transformer RET670 Vector group 3 winding transformer 1 A1234 50 Hz 110.000 V

B Adjusted A First issue Rev No Description

MD MD Appd

290 245 1380 293 292 289 291 294 1552 1553 1551 1555

REF REF

2006-07-05 2005-11-11 Date

Project

Printout 2006-07-06

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

1MRK 504 083-WEN

1 Cont

27

2. Setting of analogue and digital channels. Configure analogue inputs for TRM1: Set analogue current channels Ch I1 Ch I2 Ch I3 Ch I4 Ch I5 Ch I6 Name: = IL1 BUS IL2 BUS IL3 BUS IL1 TIE IL2 TIE IL3 TIE CTprim = 1000.000 1000.000 1000.000 1000.000 1000.000 1000.000 CTsec = 1.0 A 1.0 A 1.0 A 1.0 A 1.0 A 1.0 A Set analogue voltage channels. Ch I7 Ch I8 Ch I9 Ch U1 Ch U2 Ch U3 Name: = IN 400 IN 230 Not used UL1 UL2 UL3 VTprimn = 1000.000 2000.000 1000.000 420.000 420.000 420.000 VTsecn = 0.110 V 0.110 V 0.110 V 0.110 V 0.110 V 0.110 V

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Configure analogue inputs for TRM2: Set analogue current channels Ch I1 Ch I2 Ch I3 Ch I4 Ch I5 Ch I6 Name: = Not Used Not Used Not Used Not Used Not Used Not Used CTprim = 1000.000 1000.000 1000.000 2000.000 2000.000 2000.000 CTsec = 1.0 A 1.0 A 1.0 A 1.0 A 1.0 A 1.0 A CTStarPoint

= Out

Indicates the earthing towards object (Out) or towards busbar (In).

Set analogue voltage channels. Ch U1 Ch U2 Ch U3 Ch U4 Ch U5 Ch U6 Name: = UL2 Bus1 UL2 Line UL2 Bus 2 UL2 230 BB Not Used Not Used VTprimn = 420.000 420.000 420.000 420.000 420.000 420.000 VTsecn = 0.110 V 0.110 V 0.110 V 0.110 V 0.110 V 0.110 V Set Digital IO boards Operation I/O Module 1 = On I/O Module 2 = On I/O Module 3 = On I/O Module 4 = On I/O Module 5 = On

OscBlock 40 40 40 40 40

OscRelease 30 30 30 30 30

Pos Slot3 Pos Slot3 Pos Slot3 Pos Slot3 Pos Slot3

Note: OscBlock and OcscRel defines the filtering time at activation

3. Setting of the analogue preprocessing function blocks SMAI (General settings/Power system) Set ref for DFT filter adjustment: DFTRefGrpn = Grp7AdDFTRef set voltage L1 as ref Set the measured minimum value: MeaMinValGrpn = 5% Set the connection type ConTypeGrpn = Ph-N Set negation of the function block NegGrpn = Off Set the base voltage UBaseGrpn = 230.00 kV For first function block in each task time also SYNCH output reference DFTRefExtOut = Grp7AdDFTRef set voltage L1 as ref

Project

Printout 2006-07-06

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

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2 Cont

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4a. Setting of the Differential function data under General settings. Winding 1 (W1) Winding 2 (W2) Connection type Y Connection type Rated Current W1 696 A Rated Current W2 TconfigForW1 Yes TconfigForW2 CT1ratingW1 1000 A CT1ratingW2 TraAWind1Volt 415.0 kV TraBWind1Volt ZSCurrSubtrW3 On ZSCurrSubtrW2 ClockNumTransfB

Y 1255 A No 2000 A 230.0 kV On 12

relative W1, hour notation

4b. Differential Protection Setting (T2D1) under Setting group: Operation = On Setting of minimum differential operating current IdMin = 0.25 *Ibase Setting of cross-over point between slope 1 and slope 2 EndSection1 = 300% Ibase*C.S Setting of slope 2 stabilisation, Slope 1 has fixed stabilization SlopeSection2 = 40% *Ibias Setting of cross-over point between slope 2 and slope 3 EndSection2 = 300% Ibase*C.S Setting of slope 2 stabilisation SlopeSection3 = 80% *Ibias Setting of minimum differential operating current for unrestraint step Idunre = 10.00 *Ibase Set the operation of Cross Blocking logic On-Off OpCrossBlock = On Set the second and fifth harmonic stabilizing level when transformers are inside the zone I2/I1Ratio = 15 % I5/I1Ratio = 25 % Set the operation of Negative sequence differential protection! OpNegSeqDiff = Yes Setting of minimum negative sequence differential current level IMinNegSeq = 0.04 *Ibase Setting of the Relay operating angles. NegSeqROA = 60 °

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

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Printout 2006-07-06

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5a. Setting of Restricted Earth Fault function REF1 Included Activation of the Short Circui function Operation = On Setting of the base current for the REF1 function Ibase = 696 A Set the minimum sensitivity Idmin = 10 % Setting of the Characteristic angles for operation. roa = 60 ° Set the factor for CT primary 1 rated current compared to the neutral CT. CtFactorPri1 = 1.0 Set the factor for CT primary 2 rated current compared to the neutral CT. CtFactorPri2 = 1.0 Set the factor for CTsecond winding input 1 rated current compared to the neutral CT. CtFactorSec1 = 1.0 Set the factor for CTsecond winding input 2 rated current compared to the neutral CT. CtFactorSec2 = 1.0

X

5b. Setting of Restricted Earth Fault function REF2 Included Activation of the Short Circui function Operation = On Setting of the base current for the REF2 function Ibase = 1255 A Set the minimum sensitivity Idmin = 10 % Setting of the Characteristic angles for operation. roa = 60 ° Set the factor for CT primary 1 rated current compared to the neutral CT. CtFactorPri1 = 1.0 Set the factor for CT primary 2 rated current compared to the neutral CT. CtFactorPri2 = 1.0 Set the factor for CTsecond winding input 1 rated current compared to the neutral CT. CtFactorSec1 = 1.0 Set the factor for CTsecond winding input 2 rated current compared to the neutral CT. CtFactorSec2 = 1.0

X

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

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Setting of the tripping logic (TR01) Setting of the tripping matrix (TR01) used for the HV Bus CB Operation = On Operation = On Program = 3ph Set the pulse length Set the trip pulse length PulseTime1 = 0.150 s PulseTime2 = 0.150 s PulseTime2 = 0.150 s tTripMin = 0.150 s Set th on delay Set the latching of the trip signal OnDelayTime1 = 0.000 s OnDelayTime2 = 0.000 s OnDelayTime2 = 0.000 s TripLockout = Off Set the off delay Set the internal activation of Lock-out output, else only activation of Lock-out input will create Lock-out OffDelayTime1 = 0.000 s OffDelayTime2 = 0.000 s OffDelayTime2 = 0.000 s AutoLock = Off

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Setting of the matrix (TR02) used for the HV Tie CB Setting oftripping the tripping logic (TR02) Operation = On Operation = On Set the pulse length Program = 3ph = length 0.150 s PulseTime2 = 0.150 s PulseTime2 = 0.150 s SetPulseTime1 the trip pulse Set th on delay tTripMin = 0.150 s OnDelayTime1 s signal OnDelayTime2 = 0.000 s OnDelayTime2 = 0.000 s Set the latching=of0.000 the trip Set the off delay TripLockout = Off OffDelayTime1 0.000 s of Lock-out OffDelayTime2 = 0.000 s OffDelayTime2 = 0.000 s Set the internal =activation output, else only activation of Lock-out input will create Lock-out AutoLock = Off Setting of the tripping matrix (TR03) used for the LV side CB Setting of the tripping Operation = On logic (TR03) Operation = On Set the pulse length PulseTime1 = 0.150 s Program = 3ph PulseTime2 = 0.150 s PulseTime2 = 0.150 s Set the trip pulse length Set th on delay 0.150 s OnDelayTime1 = 0.000 s tTripMin =OnDelayTime2 = 0.000 s OnDelayTime2 = 0.000 s Set the latching of the trip signal Set the off delay =OffDelayTime2 Off OffDelayTime1 = 0.000TripLockout s = 0.000 s OffDelayTime2 = 0.000 s Set the internal activation of Lock-out output, else only activation of Lock-out input will create Lock-out AutoLock = Off Setting of the tripping logic (TR04) Operation = On Program = 3ph Set the trip pulse length tTripMin = 0.150 s Set the latching of the trip signal TripLockout = Off Set the internal activation of Lock-out output, else only activation of Lock-out input will create Lock-out AutoLock = Off

Printout 2006-07-06

Setting of the tripping logic (TR05) Operation = On Program = 3ph Set the trip pulse length tTripMin = 0.150 s Set the latching of the trip signal TripLockout = Off Set the internal activation of Lock-out output, else only activation of Lock-out input will create Lock-out AutoLock = Off

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

1MRK 504 083-WEN

5 Cont

27

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Instantaneous overcurrent protection (IOC1) on HV side phases The function is used with a reach less than 80% of the transformer at minimum source impedance. Setting of operation Operation = On Set the Base current for the function on which the current levels are based Ibase = 696 A Setting of operation mode OpMode = 1 out of 3 Operating level of the instantaneous O/C protection IP>> = 1600% *Ibase Set a multiplier at inrush used when the binary input is activated StValMult = 1.00 Instantaneous Earth fault protection (IEF1) on HV side phases The function is used with a reach less than 80% of the transformer at minimum source impedance. Setting of operation Operation = On Set the Base current for the function on which the current levels are based Ibase = 696 A Operating level of the instantaneous O/C protection IN>> = 2000% *Ibase Set a multiplier at inrush used when the binary input is activated StValMult = 1.00 Instantaneous overcurrent protection (IOC2) on 230 kV side phases The function is used with a reach less than 80% of the transformer at minimum source impedance. Setting of operation Operation = On Set the Base current for the function on which the current levels are based Ibase = 1255 A Setting of operation mode OpMode = 1 out of 3 Operating level of the instantaneous O/C protection IP>> = 2000% *Ibase Set a multiplier at inrush used when the binary input is activated StValMult = 1.00

Printout 2006-07-06

Instantaneous Earth fault protection (IEF2) on 230 kV side phases The function is used with a reach less than 80% of the transformer at minimum source impedance. Setting of operation Operation = On Set the Base current for the function on which the current levels are based Ibase = 1255 A Operating level of the instantaneous O/C protection IN>> = 2000% *Ibase Set a multiplier at inrush used when the binary input is activated StValMult = 1.00

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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6 Cont

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Printout 2006-07-06

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Setting of Fuse Failure supervision function based on U0-I0, U2-I2 and dU-dI (FSD) on 230 kV VT Setting of the operation for the Fuse failure supervision Operation = On Setting of the operating mode for the Fuse failure supervision OpMode = UZsIZs Setting of the Base voltage level on which the directional polarizing voltage is based UBase = 415.0 kV Set the Base current for the function on which the current levels are based Ibase = 2000 A Setting of the 3U0 (UZs) voltage required to give operation 3U0> = 20% *UBase Setting of the 3I0 (IZs) current which will block the fuse failure function 3I0< = 10% *Ibase Setting of the U2 (UNs) voltage required to give operation 3U2> = 20% *UBase Setting of the I2 (INs) current which will block the fuse failure function 3I2< = 10% *Ibase Setting of the operation for the DU> and DI< measuring function Operation DUDI = On Setting of the DU> voltage required to give operation DU> = 20% *UBase Setting of the DI< current which will block the fuse failure function IPH> = 10% *Ibase Setting of the operate voltage for phase voltages UPH> = 70% *UBase Setting of the operate value for phase currents DI< = 10% *Ibase Setting of the seal-in function On-Off giving seal-in of alarm until voltages are symmetrical and high SEALIN = On Set the voltage level for the seal-in of the function USealIn< = 60% *UBase Note! At operation symmetrical voltages (reset of DLD) is required to reset the FUSE function. Setting of the U< voltage UDLD< = 60% *UBase Setting of under current IDLD< = 20% *Ibase

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

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Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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7 Cont

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Printout 2006-07-06

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Setting of four step Earth fault overcurrent function (TEF1) on 400 kV side neutral Activation of the earth fault function Operation = On Set the Base current for the function on which the current levels are based Ibase = 696 A Setting of the Base voltage level on which the directional polarizing voltage is based UBase= = 415.0 kV Setting of parameters for first stage Setting of the operating direction for the stage DirMode1 = NonDir Setting of the operating characteristic Characteristic1 = IEC NI Setting of the operating current level in primary values IN1>' = 70 A IN1> = 10% *Ibase Set the current multiplier for IN1 valid at activation of input ENMULT IN1Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t1 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k1 = 0.20 Set the Minimum operating time for inverse characteristic t1Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv1 = Instantaneous Set the Reset time delay for definite time delayed function tReset1 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain1 = On Setting of parameters for second stage Setting of the operating direction for the stage DirMode2 = Off Setting of the operating characteristic Characteristic2 = IEC NI Setting of the operating current level in primary values IN2>' = 600 A IN2> = 86% *Ibase Set the current multiplier for IN2 valid at activation of input ENMULT IN2Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t2 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k2 = 0.20 Set the Minimum operating time for inverse characteristic t2Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv2 = Instantaneous Set the Reset time delay for definite time delayed function tReset2 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain2 = On

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

1MRK 504 083-WEN

8 Cont

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Setting of parameters for third stage Setting of the operating direction for the stage DirMode3 = Off Setting of the operating characteristic Characteristic3 = IEC NI Setting of the operating current level in primary values IN3> = 1200 A IN3> = 173% *Ibase Set the current multiplier for IN3 valid at activation of input ENMULT IN3Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t3 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k3 = 0.20 Set the Minimum operating time for inverse characteristic t3Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv3 = Instantaneous Set the Reset time delay for definite time delayed function tReset3 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain3 = On Setting of parameters for fourth stage Setting of the operating direction for the stage DirMode4 = Off Setting of the operating characteristic Characteristic4 = IEC NI Setting of the operating current level in primary values IN4> = 6000 A IN4> = 863% *Ibase Set the current multiplier for IN4 valid at activation of input ENMULT IN4Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t4 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k4 = 0.20 Set the Minimum operating time for inverse characteristic t4Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv4 = Instantaneous Set the Reset time delay for definite time delayed function tReset4 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain4 = On Set of Direction, Harmonic blocking and SOTF functionality Setting of the minimum neutral point polarizing voltage level for the directional funtion %*Ubase 3U0>Dir = 1.00 Set the relay characteristic angle, i.e. the angle between the neutral point voltage and current Normal zero sequence source angle at direct earthing AngleRCA = -65 deg Setting of the operating current level for the directional release. Note! Sensitivity at RCA *Ibase IN>DirCmp = 3% Set the definite time delay for the directional comparison function tDirCmp = 0.05 s Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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9 Cont

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Enable the harmonic restraint measuring function HarmRestrain = On Setting of the harmonic content in IN current blocking level 2ndHarmStab = 25% of I Set the harmonic seal-in blocking at parallel transformers on if problems are expected due to sympatetic inrush. BlockParTransf = On Set the current level to be blocked to seal-in the Harmonic blocking on this level if sympatetic inrush is expected. UseStartVal = IN1> Set the SOTF function operating mode SOTF = Off Select the input signal which shall activate the SOTF function ActivationSOTF = CloseCommand Select the input signal which shall activate the undertime function ActUndertime = CloseCommand Select the step to be uset in SOTF mode UseStartVal = IN2> Set the time after closing or position change during which the SOTF function is active t4U = 1.00 s Set the time delay for the SOTF trip tSOTF = 0.30 s Set the time delay for the undertime trip i.e acclerated trip from the selected stage at closing tUndertime = 0.30 s Enable Harmonic restraint function in SOTF HarmResSOTF = Off

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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10 Cont

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Setting of four step Earth fault overcurrent function (TEF) on 230 kV side neutral Activation of the earth fault function Operation = On Set the Base current for the function on which the current levels are based Ibase = 696 A Setting of the Base voltage level on which the directional polarizing voltage is based UBase= = 415.0 kV Setting of parameters for first stage Setting of the operating direction for the stage DirMode1 = NonDir Setting of the operating characteristic Characteristic1 = IEC NI Setting of the operating current level in primary values IN1>' = 120 A IN1> = 10% *Ibase Set the current multiplier for IN1 valid at activation of input ENMULT IN1Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t1 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k1 = 0.20 Set the Minimum operating time for inverse characteristic t1Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv1 = Instantaneous Set the Reset time delay for definite time delayed function tReset1 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain1 = On Setting of parameters for second stage Setting of the operating direction for the stage DirMode2 = Off Setting of the operating characteristic Characteristic2 = IEC NI Setting of the operating current level in primary values IN2>' = 600 A IN2> = 86% *Ibase Set the current multiplier for IN2 valid at activation of input ENMULT IN2Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t2 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k2 = 0.20 Set the Minimum operating time for inverse characteristic t2Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv2 = Instantaneous Set the Reset time delay for definite time delayed function tReset2 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain2 = On

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

1MRK 504 083-WEN

11 Cont

27

Printout 2006-07-06

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Setting of parameters for third stage Setting of the operating direction for the stage DirMode3 = Off Setting of the operating characteristic Characteristic3 = IEC NI Setting of the operating current level in primary values IN3> = 1200 A IN3> = 173% *Ibase Set the current multiplier for IN3 valid at activation of input ENMULT IN3Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t3 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k3 = 0.20 Set the Minimum operating time for inverse characteristic t3Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv3 = Instantaneous Set the Reset time delay for definite time delayed function tReset3 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain3 = On Setting of parameters for fourth stage Setting of the operating direction for the stage DirMode4 = Off Setting of the operating characteristic Characteristic4 = IEC NI Setting of the operating current level in primary values IN4> = 6000 A IN4> = 863% *Ibase Set the current multiplier for IN4 valid at activation of input ENMULT IN4Mult = 2.00 Set the definite time delay, when definite time characteristic has been selected t4 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k4 = 0.20 Set the Minimum operating time for inverse characteristic t4Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv4 = Instantaneous Set the Reset time delay for definite time delayed function tReset4 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestrain4 = On Set of Direction, Harmonic blocking and SOTF functionality Setting of the minimum neutral point polarizing voltage level for the directional funtion %*Ubase 3U0>Dir = 1.00 Set the relay characteristic angle, i.e. the angle between the neutral point voltage and current Normal zero sequence source angle at direct earthing AngleRCA = -65 deg Setting of the operating current level for the directional release. Note! Sensitivity at RCA *Ibase IN>DirCmp = 3% Set the definite time delay for the directional comparison function tDirCmp = 0.05 s Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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12 Cont

27

Printout 2006-07-06

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Enable the harmonic restraint measuring function HarmRestrain = On Setting of the harmonic content in IN current blocking level 2ndHarmStab = 25% of I Set the harmonic seal-in blocking at parallel transformers on if problems are expected due to sympatetic inrush. BlockParTransf = On Set the current level to be blocked to seal-in the Harmonic blocking on this level if sympatetic inrush is expected. UseStartVal = IN1> Set the SOTF function operating mode SOTF = Off Select the input signal which shall activate the SOTF function ActivationSOTF = CloseCommand Select the input signal which shall activate the undertime function ActUndertime = CloseCommand Select the step to be uset in SOTF mode UseStartVal = IN2> Set the time after closing or position change during which the SOTF function is active t4U = 1.00 s Set the time delay for the SOTF trip tSOTF = 0.30 s Set the time delay for the undertime trip i.e acclerated trip from the selected stage at closing tUndertime = 0.30 s Enable Harmonic restraint function in SOTF HarmResSOTF = Off

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

1MRK 504 083-WEN

13 Cont

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Setting of four stage Phase overcurrent function (TOC1) on 400 kV side phases Activation of the phase overcurrent function Operation = On Set the Base current for the function on which the current levels are based Ibase = 696 A Setting of the Base voltage level on which the directional polarizing voltage is based UBase= = 415.0 kV Set the Characteristic angle for the directional characteristic RCA = 60 deg Set the operating angle for the characteristic (around the RCA) Arg2Qad = 60 deg Setting of the operating current level for phase selection in primary values IPh> = 556 A *Ibase gives IMinOpPhSel = 80% Set the number of phases required to get the Phase selection (phase start) outputs StartPhSel = 1 out of 3 Enable the harmonic restraint measuring function HarmRestrain = Off Setting of the harmonic content in IN current blocking level 2ndHarmStab = 20% of I Setting of parameters for first stage Setting of the operating direction for the stage DirMode1 = NonDir Setting of the operating characteristic Characteristic1 = IEC NI Setting of the operating current level in primary values I1> = 835 A gives I1> = 120% *Ibase Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing. I1Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t1 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k1 = 0.20 Set the Minimum operating time for inverse characteristic t1Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv = Instantaneous Set the Reset time delay for definite time delayed function tReset1 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint1 = Off Setting of parameters for second stage Setting of the operating direction for the stage DirMode2 = Off Setting of the operating characteristic Characteristic2 = IEC NI Setting of the operating current level in primary values I2> = 3339 A *Ibase I2> = 480% Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing I2Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t2 = 0.30 s Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

1MRK 504 083-WEN

14 Cont

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Printout 2006-07-06

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Set the back-up trip time delay multiplier for inverse characteristic k2 = 0.20 Set the Minimum operating time for inverse characteristic t2Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv2 = Instantaneous Set the Reset time delay for definite time delayed function tReset2 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint2 = Off Setting of parameters for third stage Setting of the operating direction for the stage DirMode3 = Off Setting of the operating characteristic Characteristic3 = IEC NI Setting of the operating current level in primary values I3'> = 12521 A I3> = 1800% *Ibase Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing I3Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t3 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k3 = 0.20 Set the Minimum operating time for inverse characteristic t3Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv3 = Instantaneous Set the Reset time delay for definite time delayed function tReset3 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint3 = Off Setting of parameters for fourth stage Setting of the operating direction for the stage DirMode4 = Off Setting of the operating characteristic Characteristic4 = IEC NI Setting of the operating current level in primary values I4>' = 8347 A *Ibase I4> = 1200% Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing I4Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t4 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k4 = 0.20 Set the Minimum operating time for inverse characteristic t4Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv4 = Instantaneous Set the Reset time delay for definite time delayed function tReset4 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint4 = Off Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

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15 Cont

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Printout 2006-07-06

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Setting of four stage Phase overcurrent function (TOC2) on 230 kV side phases Activation of the phase overcurrent function Operation = On Set the Base current for the function on which the current levels are based Ibase = 1255 A Setting of the Base voltage level on which the directional polarizing voltage is based UBase= = 230.0 kV Set the Characteristic angle for the directional characteristic RCA = 60 deg Set the operating angle for the characteristic (around the RCA) Arg2Qad = 60 deg Setting of the operating current level for phase selection in primary values IPh> = 1004 A *Ibase gives IMinOpPhSel = 80% Set the number of phases required to get the Phase selection (phase start) outputs StartPhSel = 1 out of 3 Enable the harmonic restraint measuring function HarmRestrain = Off Setting of the harmonic content in IN current blocking level 2ndHarmStab = 20% of I Setting of parameters for first stage Setting of the operating direction for the stage DirMode1 = NonDir Setting of the operating characteristic Characteristic1 = IEC NI Setting of the operating current level in primary values I1> = 1506 A gives I1> = 120% *Ibase Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing. I1Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t1 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k1 = 0.20 Set the Minimum operating time for inverse characteristic t1Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv = Instantaneous Set the Reset time delay for definite time delayed function tReset1 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint1 = Off Setting of parameters for second stage Setting of the operating direction for the stage DirMode2 = Off Setting of the operating characteristic Characteristic2 = IEC NI Setting of the operating current level in primary values I2> = 5021 A *Ibase I2> = 400% Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing I2Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t2 = 0.30 s Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

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16 Cont

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Printout 2006-07-06

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Set the back-up trip time delay multiplier for inverse characteristic k2 = 0.20 Set the Minimum operating time for inverse characteristic t2Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv2 = Instantaneous Set the Reset time delay for definite time delayed function tReset2 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint2 = Off Setting of parameters for third stage Setting of the operating direction for the stage DirMode3 = Off Setting of the operating characteristic Characteristic3 = IEC NI Setting of the operating current level in primary values I3'> = 10041 A I3> = 800% *Ibase Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing I3Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t3 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k3 = 0.20 Set the Minimum operating time for inverse characteristic t3Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv3 = Instantaneous Set the Reset time delay for definite time delayed function tReset3 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint3 = Off Setting of parameters for fourth stage Setting of the operating direction for the stage DirMode4 = Off Setting of the operating characteristic Characteristic4 = IEC NI Setting of the operating current level in primary values I4>' = 15062 A *Ibase I4> = 1200% Set the multiplier for start value which is activated when the multiplier input is activated, normally at CB closing I4Mult = 1.00 Set the definite time delay, when definite time characteristic has been selected t4 = 0.30 s Set the back-up trip time delay multiplier for inverse characteristic k4 = 0.20 Set the Minimum operating time for inverse characteristic t4Min = 0.30 s Select the reset curve type for the inverse delay ResetTypeCrv4 = Instantaneous Set the Reset time delay for definite time delayed function tReset4 = 0.02 s Set the release of Harmonic restraint blocking for the stage HarmRestraint4 = Off Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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Setting of Synchrocheck function (SYN1) for 400 kV Bus CB

Setting of the operating mode for the function Operation = On Setting of the input phase for Bus 1 voltage reference SelPhaseBus1 = L2 Setting of the phase or line 1 voltage measurement SelPhaseLine1 = L2 Setting of the input phase for bus 2 voltage reference (used in multi breaker schemes only) SelPhaseBus2 = L2 Setting of the phase or line 2 voltage measurement (used in multi-breaker schemes only) SelPhaseLine2 = L2 Setting of the Base voltage level on which the polarizing voltage is based UBase= = 415.0 kV Setting of the phase shift for phases involved in checking Phase shift = 0° Setting of the voltage ratio between Line VT and Bus VT (Line/Bus) Uratio = 1.00 Setting of the busbar arrangement for Bus VT selection CBConfig = 1 1/2 Bus CB Set the values for the Energizing check Setting of the maximum live voltage level at which energizing is allowed UMaxEnerg = 115% Set the operating level for the Bus high voltage at Line energizing UHighBusEnerg = 80% *UBase Setting of the operating voltage level for the low line voltage level at line energizing ULowLineEnerg = 40% *UBase Set the operating level for the Line high voltage at Bus energizing UHighLineEnerg = 80% *UBase Setting of the operating voltage level for the low Bus voltage level at Bus energizing ULowBusEnerg = 40% *UBase Setting of the energizing check directions to be activated. AutoEnergi = Off Set the time delay for the Auto Energizing tAutoEnerg = 0.10 s Setting of the manual Dead line/bus and Dead/Dead switching conditions to be allowed ManEnerg = Both ManEnergDLDB = Off Set the time delay for the Manual Energizing tManEnerg = 0.10 s Set general settings for the Synchronism check function Setting of the operating mode for the synchonism check (paralleling) function OperationSync = On Setting of the allowed voltage difference for Manual and Auto synchronism check UDiff = 10% Set the operating level for the Bus high voltage at Line synchronism check UHighBusSync = 80% *UBase Set the operating level for the Line high voltage at Line synchronism check UHighLineSync = 80% *UBase

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

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Set the values for the Manual Synchronism (paralleling) check Setting of the frequency difference for Manual synchronism check FreqDiffM = 0.010 Hz Setting of the phase angle difference for Manual synchronism check PhaseDiffM = 25 ° Setting of the time delay for Manual synchronism check tSyncM = 0.10 s

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Set the values for the Auto Synchronism (paralleling) check Setting of the frequency difference for Auto synchronism check FreqDiffA = 0.010 Hz Setting of the phase angle difference for Auto synchronism check PhaseDiffA = 25 ° Setting of the time delay for Autosynchronism check tSyncA = 0.10 s

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

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19 Cont

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Setting of Synchrocheck function (SYN2) for 400 kV Tie CB

Setting of the operating mode for the function Operation = On Setting of the input phase for Bus 1 voltage reference SelPhaseBus1 = L2 Setting of the phase or line 1 voltage measurement SelPhaseLine1 = L2 Setting of the input phase for bus 2 voltage reference (used in multi breaker schemes only) SelPhaseBus2 = L2 Setting of the phase or line 2 voltage measurement (used in multi-breaker schemes only) SelPhaseLine2 = L2 Setting of the Base voltage level on which the polarizing voltage is based UBase= = 415.0 kV Setting of the phase shift for phases involved in checking Phase shift = 0° Setting of the voltage ratio between Line VT and Bus VT (Line/Bus) Uratio = 1.00 Setting of the busbar arrangement for Bus VT selection CBConfig = 1 1/2 Bus altCB Set the values for the Energizing check Setting of the maximum live voltage level at which energizing is allowed UMaxEnerg = 115% Set the operating level for the Bus high voltage at Line energizing UHighBusEnerg = 80% *UBase Setting of the operating voltage level for the low line voltage level at line energizing ULowLineEnerg = 40% *UBase Set the operating level for the Line high voltage at Bus energizing UHighLineEnerg = 80% *UBase Setting of the operating voltage level for the low Bus voltage level at Bus energizing ULowBusEnerg = 40% *UBase Setting of the energizing check directions to be activated. AutoEnergi = DLLB Set the time delay for the Auto Energizing tAutoEnerg = 0.10 s Setting of the manual Dead line/bus and Dead/Dead switching conditions to be allowed ManEnerg = Both ManEnergDLDB = Off Set the time delay for the Manual Energizing tManEnerg = 0.10 s Set general settings for the Synchronism check function Setting of the operating mode for the synchonism check (paralleling) function OperationSync = On Setting of the allowed voltage difference for Manual and Auto synchronism check UDiff = 10% Set the operating level for the Bus high voltage at Line synchronism check UHighBusSync = 80% *UBase Set the operating level for the Line high voltage at Line synchronism check UHighLineSync = 80% *UBase

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

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Set the values for the Manual Synchronism (paralleling) check Setting of the frequency difference for Manual synchronism check FreqDiffM = 0.010 Hz Setting of the phase angle difference for Manual synchronism check PhaseDiffM = 25 ° Setting of the time delay for Manual synchronism check tSyncM = 0.10 s

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Set the values for the Auto Synchronism (paralleling) check Setting of the frequency difference for Auto synchronism check FreqDiffA = 0.010 Hz Setting of the phase angle difference for Auto synchronism check PhaseDiffA = 25 ° Setting of the time delay for Autosynchronism check tSyncA = 0.10 s

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

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2005-11-11 500MVA 400/230 kV Transformer

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B Sheet

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21 Cont

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Setting of Breaker failure function (BFP1) for 400 kV Bus Breaker Activation of the Breaker failure function Operation = On Setting of the operating mode for retrip of own breaker RetripMode = Retrip Off Set the used principle for current check BUTripMode = 1 out of 3 Set the used principle forback-up tripping, with or without contact resp current checks FunctionMode = Current Set the Base current for the function on which the current levels are based Ibase = 1000 A Setting of the operating current level IP> = 10% *Ibase Setting of the operating current level for Neutral current IN> = 10% *Ibase Set the retrip time delay t1 = 0.050 s Set the back-up trip time delay t2 = 0.120 s Set the back-up trip time delay for Multi-phase start t2MPh = 0.120 s Set an additional time delay for a second back-up trip step if used. Will be added to t2 B-u trip time without checks. t3 = 0.030 s Set the length of the trip pulse tPulse = 0.200 s Set the current level above which the contact base operation (if selected) is blocked *Ibase I>BlkCont = 20% Set the time to alarm for CB faults if input is used tCBAlarm = 5.000 s

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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22 Cont

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Setting of Breaker failure function (BFP1) for 400 kV Tie Breaker Activation of the Breaker failure function Operation = On Setting of the operating mode for retrip of own breaker RetripMode = Retrip Off Set the used principle for current check BUTripMode = 1 out of 3 Set the used principle forback-up tripping, with or without contact resp current checks FunctionMode = Current Set the Base current for the function on which the current levels are based Ibase = 1000 A Setting of the operating current level IP> = 10% *Ibase Setting of the operating current level for Neutral current IN> = 10% *Ibase Set the retrip time delay t1 = 0.050 s Set the back-up trip time delay t2 = 0.120 s Set the back-up trip time delay for Multi-phase start t2MPh = 0.120 s Set an additional time delay for a second back-up trip step if used. Will be added to t2 B-u trip time without checks. t3 = 0.030 s Set the length of the trip pulse tPulse = 0.200 s Set the current level above which the contact base operation (if selected) is blocked *Ibase I>BlkCont = 20% Set the time to alarm for CB faults if input is used tCBAlarm = 5.000 s

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

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2005-11-11 500MVA 400/230 kV Transformer

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Rev ind

B Sheet

Document No.

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23 Cont

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Setting of Breaker failure function (BFP3) fo 230 kV Circuit breaker Activation of the Breaker failure function Operation = On Setting of the operating mode for retrip of own breaker RetripMode = Retrip Off Set the used principle for current check BUTripMode = 1 out of 3 Set the used principle forback-up tripping, with or without contact resp current checks FunctionMode = Current Set the Base current for the function on which the current levels are based Ibase = 1255 A Setting of the operating current level IP> = 10% *Ibase Setting of the operating current level for Neutral current IN> = 10% *Ibase Set the retrip time delay t1 = 0.050 s Set the back-up trip time delay t2 = 0.120 s Set the back-up trip time delay for Multi-phase start t2MPh = 0.120 s Set an additional time delay for a second back-up trip step if used. Will be added to t2 B-u trip time without checks. t3 = 0.030 s Set the length of the trip pulse tPulse = 0.200 s Set the current level above which the contact base operation (if selected) is blocked *Ibase I>BlkCont = 20% Set the time to alarm for CB faults if input is used tCBAlarm = 5.000 s Setting of HMI controlled Gates Gate No 21 Operation = On Gate No 22 Operation = On

Application in CAP531 Trip coil supervision activated. Bus CB Trip coil supervision is activated TIe CB

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

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Setting of Transformer protection relay RET670

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

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Configuration of HMI display Setting of LED's functionality On Operation Restart 0.0 s 0.0 s tMax Set the sequence type for the 15 LED's. Following alternative behaviour is available. Follow the fault with Steady light Follow-S Follow the fault with Flickering light Follow-F Latched with flickering until ack, then steady if fault is on LatchedAck-F-S Latched with steady until ack, then flickering if fault is on LatchedAck-S-F LatchedColl-F Latched steady until reset, then steady if fault is on. LatchedReset-S

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Set the behaviour for each of the LED's SeqTypeLED1 = LatchedAck-S-F SeqTypeLED2 = LatchedAck-S-F SeqTypeLED3 = LatchedAck-S-F SeqTypeLED4 = LatchedAck-S-F SeqTypeLED5 = LatchedAck-S-F SeqTypeLED6 = LatchedAck-S-F SeqTypeLED7 = LatchedAck-S-F SeqTypeLED8 = LatchedAck-S-F SeqTypeLED9 = LatchedAck-S-F SeqTypeLED10 = LatchedAck-S-F SeqTypeLED11 = LatchedAck-S-F SeqTypeLED12 = LatchedAck-S-F SeqTypeLED13 = LatchedAck-S-F SeqTypeLED14 = LatchedAck-S-F SeqTypeLED15 = LatchedAck-S-F

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

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Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

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2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

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B Sheet

Document No.

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Set the Operation of the Fault Locator and Fault Recorder functions Operation= On Recording times PreFault Rec T= 0.10 s PostFault Rec T= 0.80 s TimeLimit= 2.00 s PostRetrig= Off ZeroAngleRef= 7 Channel No OpModeTest= On Fault locator data DistUnit=

km

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Configuration of DREP Binary singals to be presented on HMI and DR printouts. Binary signals Ch 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 39 40

Signal name DIF-TRIP DIF-TRIPRES DIF-TRIPUNRES DIF-TRNS DIF-TRNSSENS DIF-STL1 DIF-STL2 DIF-STL3 Not Used Not Used

Signal description Differential function trip Differential function trip restraint Differential function trip unrestraint Differential function trip NS unrestr Differential function trip NS sens Diff function start L1 Diff function start L2 Diff function start L3

BUSCB-BFPTRIP BUSCB-BFPRETRIP BUSCB-PDTRIP TIECB-BFPTRIP TIECB-BFPRETRIP

Differential function Blk 2nd harm L1 Differential function Blk 2nd harm L2 Differential function Blk 2nd harm L3 Differential function Blk 5th harm L1 Differential function Blk 5th harm L2 Differential function Blk 5th harm L3 Differential function Wav Blk L1 Differential function Wav Blk L2 Differential function Wav Blk L3 Bus CB Breaker failure trip Bus CB Breaker failure retrip Bus CB Pole Discordance trip Tie CB Breaker failure trip Tie CB Breaker failure retrip

TIECB-PDTRIP W1-IOC-TRIP W1-TOC-TRIP W1-TOC-STL1 W1-TOC-STL2 W1-TOC-STL3 W1-IEF-TRIP W1-REF-TRIP W1-REF-START

Tie CB Pole Discordance trip W1 Instantanous OC Trip W1 Delayed OC Trip W1 Delayed OCStart L1 W1 Delayed OCStart L2 W1 Delayed OCStart L3 W1 Instantanous EF Trip W1 REF Trip W1 REF Start

LED On On On On On Off Off Off Off Off Off Off Off Off Off Off Off Off Off On Off On On Off Off Off Off On On On Off Off Off On Off Off

Operation Trig level Mask On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show Off Trig on 1 Show Off Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show Off Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 0 Show On Trig on 0 Show On Trig on 0 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show On Trig on 1 Show Off Trig on 1 Show Off Trig on 1 Show

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

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26 Cont

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41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94

W1-REF-DIROK W1-REF-BLK2H W1-TEF-TRIP W1-TEF-START W1-TEF-2NDHARM

W1 REF Dir OK W1 REF Block 2nd harmonic W1 Delayed EF Trip W1 Delayed EF Start W1 Delayed EF 2nd Harm blk

W2-BFPTRIP W2-BFPRETRIP W2-TOC-TRIP W2-TOC-STL1 W2-TOC-STL2 W2-TOC-STL3 W2-REF-TRIP W2-REF-ST W2-REF-DIROK W2-REF-BLK2H W2-TEF-TRIP W2-TEF-START W2-TEF-2NDHARM W2-TOV-TRIP W2-TOV-TR2 W2-TOV-START W2-TUV-TRIP W2-TUV-TR2 W2-TUV-START W3-TRV-TRIP W3-TRV-TR2 W3-TRV-START W2-BFPTRIP W2-BFPRETRIP W2-TOC-TRIP W2-TOC-STL1 W2-TOC-STL2 W2-TOC-STL3 W2-TEF-TRIP W2-TEF-START W2-TEF-2NDHARM W2-FSD-STGEN W2-TTR-TRIP W3-TTR-TRIP BUCH TRIP PRESS TRIP WIN-TEMP-TRIP OIL-TEMP-TRIP WIND TEMP ALARM OIL TEMP ALARM ACT GR1 ACT-GR2 TEST-ACTIVE

W2 Breaker failure trip W2 Breaker failure retrip W2 Delayed OC Trip W2 Delayed OCStart L1 W2 Delayed OCStart L2 W2 Delayed OCStart L3 W2 REF Trip W2 REF Start W2 REF Dir OK W2 REF Block 2nd harmonic W2 Delayed EF Trip W2 Delayed EF Start W2 Delayed EF 2nd Harm blk W2-Time Overvoltage Trip W2-Time Overvoltage TR2 W2-Time OvervoltageStart W2-Time Undervoltage Trip W2-TimeUndervoltage TR2 W2-Time UndervoltageStart W2-Time netral point voltage Trip W2-Time Neutral point voltage TR2 W2-Time Neutral point voltageStart W3 Breaker failure trip W3 Breaker failure retrip W3 Delayed OC Trip W3 Delayed OCStart L1 W3 Delayed OCStart L2 W3 Delayed OCStart L3 W3 Delayed EF Trip W3 Delayed EF Start W3 Delayed EF 2nd Harm blk VT Fuse failure W2 Trip W3 Trip Buchholz Trip Pressure Trip Winding temperature trip Oil temperature trip Winding temperature Alarm Oil temperature Alarm ActiveGroup 1 Active Group 2 Test Active

On On On Off Off Off Off Off On Off On Off Off Off On Off Off Off On Off Off On On Off On On Off On On Off On Off On Off Off Off On Off Off Off On On On On On On Off Off Off Off Off Off Off Off

On On On On On Off Off Off On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On On Off Off Off

Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1 Trig on 1

Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show Show

Project

Station C 400/230 kV S/S for ABB RET 670 Customer Approved

Resp. dept.

Title

Max Degerfalt

TPA

Setting of Transformer protection relay RET670

Prepared

Date

Engineer

2005-11-11 500MVA 400/230 kV Transformer

ABB PTSX

Rev ind

B Sheet

Document No.

1MRK 504 083-WEN

27 Cont

27