Relay Test Report
11/20/2021
PAGE 1
Nameplate Data
MANUFACTURER: Siemens
ASSET ID: B2+RP09
SUBSTATION 500kV New Lahore (South)
LZOP:
PROTECTION: Differential Prot. Set I
MODEL: 7UT63
SERIAL NUMBER:
PT RATIO:
kV :
TEST STATUS: Pass
DATASHEET:
Counter Clockwise Rotation 0-360 Lead
JOB #: PTW # 919
RELAY FIRMWARE:
V
A
Differential Settings
Pickup
Trip Time
Prefault Level
Prefault Time
Off Delay
Through Fault Current
2nd Harmonic Content
Fault Duration
ICT Correction
0.2
20
50
800
0
100
15
500
525
3,000
pu
ms
%
ms
ms
% Ib
%
ms
NO
Current Tolerance
12
Trip Time Tolerance
10
Simulate Breaker NO
Use Reference Voltage NO
+50
Slope From X Axis
Ibias Equation
Unrestrained Pickup
10
pu
Slope
Ibias(pu)
Gradient (%)
1
0
30
2
2.5
60
ms
Harmonic Tolerance
15
%
Harmonic Ramp Mode Ramp To Operate
Nth Harmonic Content
30
% 5th
Nominal Current Protected Object
kV
750
*A vertical offset is created between slopes
when two equivalent restraint values are entered.
The Gradient % of the first equivalent point will be
the value of the vertical offset in per unit.
231
MVA
:1 A
kV
2,400
824.786 A
0
:1 A
1,874.51 A
YY0
0.275 A
Single Phase
Pickup Factor
Sat Nov 20 10:52:06 2021
%
%
0.781 A
Interposing CTs
1.50
1.50
Single Phase
Pickup Factor
Stabilization Test
Phase
A-N
B-N
C-A
Injected Currents
W1
Sat Nov 20 11:03:23 2021
Currents Observed From Relay
W2
W1
I (A)
ϕ (°)
I (A)
ϕ (°)
0.275
0
0.781
180
824.78
0
1,874.5
180
0.275
240
0.781
60
824.78
240
1,874.5
60
0.275
120
0.781
300
824.78
120
1,874.5
300
W2
ϕ (°)
Idiff
I (A)
ϕ (°)
Ibias
I (A)
823.00
0
1,870.0
180
2.02
0
829.00
240
1,870.0
60
1.98
0
823.00
120
1,870.0
300
2.02
0.01
Timing Test
TEST EQUIPMENT USED: FREJA546 (SN201906070004)
COPYRIGHT © 2002-2021 POWERDB, INC.
Sat Nov 20 11:13:09 2021
TESTED BY:
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Form Schema 0
Relay Test Report
11/20/2021
PAGE 2
Phase
Tested
Fault Current
(% Ib)
Expected
Trip Time (s)
Maximum
Trip Time (s)
Measured
Trip Time (s)
P/F
A-N
100.0
0.020
0.072
0.029
P
B-N
100.0
0.020
0.072
0.032
P
C-N
100.0
0.020
0.072
0.028
P
ABC
100.0
0.020
0.072
0.029
P
Pickup Test
Sat Nov 20 13:16:25 2021
Winding 1
Phase
Winding 2
Pickup
Setting
(pu)
Pickup
(pu)
Pickup
(A)
Error
(%)
P/F
Pickup
Setting
(pu)
Pickup
(pu)
Pickup
(A)
Error
(%)
P/F
A-N
0.20
0.198
0.082
-1.0
P
0.20
0.192
0.225
-4.0
P
B-N
0.20
0.196
0.081
-2.0
P
0.20
0.192
0.225
-4.0
P
C-N
0.20
0.192
0.079
-4.0
P
0.20
0.194
0.227
-3.0
P
ABC
0.20
0.198
0.054
-1.0
P
0.20
0.194
0.152
-3.0
P
#
Ibias
(pu)
Idiff
(pu)
W1
(A)
W2
(A)
Error
(%)
P/F
1
1.30
0.39
0.23
0.36
-1.0
P
2
1.90
0.57
0.34
0.52
-0.0
P
3
2.30
0.69
0.41
0.63
0.0
P
4
3.20
0.96
0.57
0.87
-0.0
P
5
3.70
1.10
0.66
1.02
-1.0
P
6
4.20
1.26
0.75
1.15
-0.3
P
7
0.40
0.19
0.08
0.08
-5.0
P
8
6.50
2.40
1.22
1.60
-0.0
P
9
7.40
2.91
1.42
1.75
-1.0
P
COPYRIGHT © 2002-2021 POWERDB, INC.
Characteristic Test
Sat Nov 20 12:20:24 2021
Characteristic Shot Test
Sat Nov 20 12:23:47 2021
www.powerdb.com
Form Schema 0
Relay Test Report
11/20/2021
PAGE 3
#
Ibias
(pu)
Idiff
(pu)
W1
(A)
W2
(A)
P/F
1
3.10
1.30
0.60
0.70
P
...
2
4.40
1.20
0.77
1.25
P
...
3
5.90
2.40
1.14
1.37
P
...
4
6.20
2.00
1.13
1.64
P
...
5
6.90
3.10
1.37
1.48
P
...
6
7.50
2.80
1.42
1.84
P
...
7
2.20
0.50
0.37
0.66
P
...
8
1.50
0.70
0.30
0.31
P
...
Winding 1
Winding 2
Phase
2nd Harmonic
Pickup = 0.150A , Tolerance
= 15%Block Test
Funda2nd
2nd
mental Harmonic Harmonic
I (A)
I (A)
I (%)
Error
(%)
P/F
Sat Nov
20 12:37:23 2021
Pickup = 0.150A , Tolerance
= 15%
Funda2nd
2nd
P/F
Error
mental Harmonic Harmonic
(%)
I (A)
I (A)
I (%)
A-N
1.00
0.132
13.250
-11.7
P
1.00
0.140
14.050
-6.3
P
B-N
1.00
0.133
13.350
-11.0
P
1.00
0.139
13.950
-7.0
P
C-N
1.00
0.133
13.350
-11.0
P
1.00
0.141
14.150
-5.7
P
ABC
1.00
0.131
13.150
-12.3
P
1.00
0.132
13.250
-11.7
P
Nth Harmonic Shot Test
Phase
Winding 1
Winding 2
Fundamental Current = 1.000A
Fundamental Current = 1.000A
5th
5th
Harmonic Harmonic Operate
I (A)
I (%)
5th
5th
No
Harmonic Harmonic
Operate
I (A)
I (%)
5th
5th
Harmonic Harmonic Operate
I (A)
I (%)
5th
5th
No
Harmonic Harmonic Operate
I (A)
I (%)
A-N
0.250
25.00
P
0.350
35.00
P
0.250
25.00
P
0.350
35.00
P
B-N
0.250
25.00
P
0.350
35.00
P
0.250
25.00
P
0.350
35.00
P
C-N
0.250
25.00
P
0.350
35.00
P
0.250
25.00
P
0.350
35.00
P
ABC
0.250
25.00
P
0.350
35.00
P
0.250
25.00
P
0.350
35.00
P
Harmonic Content for No Operation:
COPYRIGHT © 2002-2021 POWERDB, INC.
35
%
www.powerdb.com
Harmonic Content for Operation:
25
%
Form Schema 0