File No.
ENE51-POS0SYS(SYP)/15/2022-EESP/I/530631/2022, Dt: 31-01-
2022.
Statement No:-6
RELAY SETTINGS FOR ZIV MAKE 8ZLV TYPE DISTANCE RELAY
AT 132/33KV DARSI SS ON 132 KV PODILI FEEDER-2
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Description Setting Unit
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CT Ratio :
Available 600-300/1 A
Adopted 600/1 A
System Impedances
1) i) Line Impedance
Pos. Seq. Magnitude 6.07 Ohm
Pos. Seq. Angle 68.99 deg.
Pos. Seq. Angle 2 68.99 deg.
Pos. Seq. Angle 3 68.99 deg.
Pos. Seq. Angle 4 68.99 deg.
Pos. Seq. Angle 5 68.99 deg.
Zero Seq. Angle 1 75.69 deg.
Z1 k0 Factor 3.36
Zero Seq. Angle 2 75.69 deg.
Z2 k0 Factor 3.36
Zero Seq. Angle 3 75.69 deg.
Z3 k0 Factor 3.36
Zero Seq. Angle 4 75.69 deg.
Z4 k0 Factor 3.36
Zero Seq. Angle 5 75.69 deg.
Z5 k0 Factor 3.36
ii) Parallel Line Impedance
Mutual Coupl Factor 2.12
Mutual Coupl Angle 80.60 deg.
Factor I0/I0PAR 0.95
2) Fault Locator
i) Length and Units
Line Length 28.20 KM
Length Units Kilometers
Locator Units Length Units
ii) Parallel line coupling
Mut Coupl Comp Ena YES
iii) Non Homogenity Compensation
Non-Homogenity Comp NO
iv) Indication
Permanent Indication YES
Time Indication 1 min
Indication Zone Internal and External
3) Protection
Distance Units
i) Zone 1 Units
Zone 1 Enable Yes
Direction Forward
Ground Reach 4.85 Ohm
Phase Reach 4.85 Ohm
Ground Resist Limit 18.17 Ohm
Phase Resist Limit 8.18 Ohm
Ground Time 0.000 s
Phase Time 0.000 s
Tilt Time 0.000 s
Tilt Angle Type
Tilt Angle 0.000 deg.
::2::
ii) Zone 2 Units
Zone 2 Enable Yes
Direction Forward
Ground Reach 9.10 Ohm
Phase Reach 9.10 Ohm
Ground Resist Limit 21.81 Ohm
Phase Resist Limit 9.81 Ohm
Ground Time 0.30 s
Phase Time 0.30 s
iii) Zone 3 Units
Zone 3 Enable Yes
Direction Forward
Ground Reach 13.35 Ohm
Phase Reach 13.35 Ohm
Ground Resist Limit 24.54 Ohm
Phase Resist Limit 11.04 Ohm
Ground Time 0.60 s
Phase Time 0.60 s
iv) Zone 4 Units
Zone 4 Enable Yes
Direction FORWARD
Ground Reach 19.65 Ohm
Phase Reach 19.65 Ohm
Ground Resist Limit 27.26 Ohm
Phase Resist Limit 12.26 Ohm
Ground Time 1.20 s
Phase Time 1.20 s
v) Zone 5 Units
Zone 5 Enable Yes
Direction REVERSE
Ground Reach 1.21 Ohm
Phase Reach 1.21 Ohm
Ground Resist Limit 4.50 Ohm
Phase Resist Limit 2.05 Ohm
Ground Time 0.30 s
Phase Time 0.30 s
vi) Characteristics
Ground characteristics Quadrilateral
Phase characteristics Quadrilateral
vii) Quadraterial Characteristics Angle
Dir Characteristics Angle 68.99
viii) Lagging Phase operation Ph-Ph-G fault
Lagging Phase NO
ix) Memory Voltage
Memory Duration 2 Cycle
x) Voltage Threshold
Voltage threshold 0.2 Volt
xi) Parallel Line coupling
Distance units Mutual Compenstation Enable : YES
::3::
4) i) Protection Schemes
Carrier by 52 Open NO
Security Time 0 mS
WI Undervoltage Level 45 V
ii)Distance Protection Scheme
Protection Scheme Permissive Underreach.
Carrier time 0 ms
Coordination Time 25 ms
Dist Delay DCB 50 ms
ZONE 1 Extension inhibit Time 10 s
Overreach Zone Zone 2
reverse Zone Zone 5
Dist WI Logic Output None
Dist Curr Inv Block Enable NO
Carrier Fast Sending NO
Distance Protec Scheme Delay 0 Secs
5) Phase Selector Settings
Level I0 0.25 A
Level I2 0.25 A
I0/I1 Factor 8
I2/I1 Factor 10
I0/I1 Factor for Power Swing 20
I2/I1 Factor for Power Swing 20
6) Fault Detector Settings
Delta I0 0.25 A
Delta I2 0.25 A
Delta I0 Power Swing 0.25 A
Delta I2 Power Swing 0.25 A
7) VT Fuse Failure Detector Settings
Voltage Level (ZLV ) 30 v
Enable YES
Blocking Enable YES
FF Input Drop out time 150 mS
8) Close -Onto-Fault Detector Settings
i)Enable YES
COF Supervision Zone zone2
Current Pickup 2 In
Zone 1 Extension for Reclosing No
Second Harmonic Restraint 0 %
COF Time 300 ms
Close Waiting Time 50 S
Reclose Waiting time 0.2 s
ii)Initiate Mask
Manual Close by Dead Line Deactivation No
Manual Close by Open Pole Deactivation No
External Manual Close YES
Manual Close Command No
Reclose by Dead Line Deactivation No
External Reclose No
Reclose Command No
::4::
9) Dead Line Detector Settings
Dead line detector enable signal No
Dead line current level 0.2 A
Dead line voltage level 45 V
10) Load Encroachment Settings
Enable YES
Right Zone Resistive Limit 33.42 Ohms.
Left Zone Resistive Limit 33.42 Ohms.
Right Zone Angle 30 Deg
Left Zone Angle 30 Deg
11) Power Swing Detector Settings
Enable YES
Power Swing Tripping Enable No
Right External Resistive Limit 18.49 Ohms
Right Middle Resistive Limit 13.49 Ohms
Right Internal Resistive Limit 12.26 Ohms
( Tripping Only)
Left External Resistive Limit 18.49 Ohms
Left Middle Resistive Limit 13.49 Ohms
Left Internal Resistive Limit 12.26 Ohms
( Tripping Only)
Resistive Limiters Angle 75 Deg
Forward External Reach 26.62 Ohms
Forward Middle Reach 21.62 Ohms
Forward iNTERNAL Reach 19.65 Ohms
Reverse External Reach 26.62 Ohms
Reverse Middle Reach 21.62 Ohms
Reverse Internal Reach 19.65 Ohms
Suppervision Positive sequence current 0.2 In
power Swing Detection time 0.03 s
Power Swing Blocking Reset Time 2 s
Power Swing Trip Type Slow
Fast trip Time Delay 0.05 s
Power Swing Condition Reset Time 0.05 s
12) Breaker Failure Unit Settings
Enable NO
Single - phase pickup 0.2 In
Three - phase pickup 0.2 In
Ground pickup 0.1 In
Single-phase breaker failure time delay 0.2 S
Three phase bereaker failure time delay 0.2 S
with overcurrrent
Three phase bereaker failure time delay 0.2 S
without overcurrrent
Single-phase breaker failure retripping 0.05 S
time delay
Three-phase breaker failure retripping 0.05 S
with overcurrent
Three-phase breaker failure retripping 0.05 S
without overcurrent
Internal arc detector enable NO
Internal arc detector pickup 0.02 IN
Internal arc detector Time delay 0.1 S
::5::
13) Recloser Settings
Recloser in Service No
i) Recloser Timers
First single-phase reclosing attempt 1.0S
delay
First three-phase reclosing attempt delay 1S
Second reclosing attempt delay 0.05S
Third reclosing attempt delay 0.3S
Fourth reclosing attempt delay 0.4S
ii) Sequence Control Time
Sequence check (start) time 0.2 S
security Time 25 S
Manual Close reset Time 5 S
Synchronism check time delay 5 S
Positive sequence voltage time delay 5 S
iii) Sequence Control
Reclosing Mode (ZLV-B/F/G) 1P Mode
Number of reclose attempts 1
External blocking Level
iv) Initiation Mask
Zone-1 Yes
Trip_schm_D Yes.
(Remaining all initiations to be kept NO)
v) Synchrocheck Supervision
(If syncchek equired at the time of reclose Kept
Synchrocheck Supervision settings all are YES
Otherwise all are kept NO)
vi) Positive sequence voltage supervision kept setting as
it is default
14) Open Pole Logics
Number of Breaker Position Inputs 2INPUTS
A pole open current 0.04 A
B pole open current 0.04 A
C pole open current 0.04 A
15) Protection Logics
i) Three Phase Trip YES
1 Phase Trip 67G NO
Dist Block Timer 150 mS
Trip Dropout Time 0.03 S
ii) Zone Mask Trip
Z1 GROUND YES
Z1 PHASE YES
Z2 GROUND YES
Z2 PHASE YES
Z3 GROUND YES
Z3 PHASE YES
Z4 GROUND YES
Z4 PHASE YES
Z5 GROUND YES
Z5 PHASE YES
Z6 GROUND NO
Z6 PHASE NO
::6::
iii)Auxilary Unit Trip Mask
REM OP BRK NO
CO FAULT YES
STUB BUS NO
THERMAL IMAG NO
OPEN PHASE NO
POLE DISCREP NO
PS TRIP NO
IOC PH1 NO
IOC PH2 NO
IOC PH3 NO
TOC PH1 YES
TOC PH2 NO
TOC PH3 NO
IOC GND1 NO
IOC GND2 NO
IOC GND3 NO
TOC GND1 YES
TOC GND2 NO
TOC GND3 NO
IOC NEG SEQ1 NO
IOC NEG SEQ2 NO
IOC NEG SEQ3 NO
TOC NEG SEQ1 NO
TOC NEG SEQ2 NO
TOC NEG SEQ3 NO
OVER VOLT PH1 NO
OVER VOLT PH2 NO
OVER VOLT PH3 NO
UNDER VOLT PH1 NO
UNDER VOLT PH2 NO
UNDER VOLT PH3 NO
OVER VOLT N1 NO
OVER VOLT N2 NO
OVER FREQ1 NO
OVER FREQ2 NO
UNDER FREQ1 NO
UNDER FREQ2 NO
ROC FREQ1 NO
ROC FREQ2 NO
EXT TRIP NO
iv) Power Swing Block Mask
Prot Scheme Pow Swing Block NO
Z1 Pow.Swing Block YES
Z2 Pow.Swing Block YES
Z3 Pow.Swing Block YES
Z4 Pow.Swing Block YES
Z5 Pow.Swing Block NO
Z6 Pow.Swing Block NO
16) Open Phase
Open Phase Enable YES
Open Phase Pickup 0.4 I2/I1
Open Phase waiting Time 5 Secs
Min Load Open Phase 0.05 A
17) Distance Supervision
Single - Phase forward current 0.2 A
Two - Phase forward current 0.2 A
Single - Phase reverse current 0.2 A
Two - Phase reverse current 0.2 A
::7::
18) Phase time Overcurrent (Elements 3 are kept as NO)
Element1:
Enable YES
Pickup 1.0 In
Time Curve INVERSE Time Curve(IEC)
Inverse Time Curve Dila 0.05
Effective Range for the IEC Curves 1
Effectibe Range for the IEEE/US Curves 1
Time Delay 0.05 s
torque control (Pickup Blocking Enble 1: Directional
torque control Type 0: Phase dir. Element
Element2:(VT FUSE FAILURE CONDITION ONLY)
Enable YES
Pickup 2.0 In
Time Curve DEFINITE TIME
Inverse Time Curve Dila fixed
Effective Range for the IEC Curves 1
Effectibe Range for the IEEE/US Curves 1
Time Dely 0.8 s
torque control 0: Non-Directional
torque control Type 0: Phase dir. Element
Note :( when VT Fuse failure arises then only Element 2 of Over current
should be enable, It needs to be configured through LOGIC )
19) Ground time Overcurrent (Elements 3 are kept as NO)
Element 1:
Enable YES
Pickup 0.20 In
Time Curve INVERSE Time Curve(IEC)
Inverse Time Curve Dila 0.05
Effective Range for the ICE Curves 1
Effectibe Range for the IEEE/US Curves 1
Time Delay 0.05 s
torque control (Pickup Blocking Enble 1: Directional
torque control Type 0:Ground directional element
Element 2: (VT FUSE FAILURE CONDITION ONLY)
Enable YES
Pickup 0.20 In
Time Curve DEFINITE TIME
Inverse Time Curve Dila fixed
Effective Range for the ICE Curves 1
Effectibe Range for the IEEE/US Curves 1
Time Delay 0.8 s
torque control (Pickup Blocking Enble 1: Directional
torque control Type 0:Ground directional element
Note :( when VT Fuse failure arises then only Element 2 of Ground Over current
should be enable, It need to be configured through LOGIC )
::8::
20) Directional
Phase Chracteristics Angle 45 Deg
Neutral characteristics Angle 23 Deg
Neg Seq Characteristics Angle 45 Deg
Pos Seq Characteristics Angle 45 Deg
Lack of Directional Blocking YES
Min Phase Voltage 6.35 V
Min Neutrl Voltage 6.35 V
Min Neg Seq Voltage 6.35 V
Min Pos Seq Voltage 6.35 V
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Sd/-
CHIEF ENGINEER
(PLNG,POWER SYSTEMS)
