Test device Date/Time 6/3/2024 7:15
Test device CT-Analyzer Device serial no AN188M
File name C:\Users\User\Desktop\MUZAFARGARH\HV\BLUE\1S1-1S3.xml
Overall assessement OK
Asset
Ipn 1200.0 A Object Location
Isn 1.0 A Manufacturer TBEA Company NTDC
Rated burden 30.0 VA /0.80 Type OSZR160000 Country PAKISTAN
Operating burden 30.0 VA /0.80 Serial number 06B04103 Station 220kV GRID MUZAFARGARH
Standard IEC 60044-1 Core 1 Feeder 160MVA ATR T2
Application Protection Tap 2 Phase BLUE HV
Class 10P Optional IEC-ID
Frequency 50.0 Hz Comment
Rct max
ALF 20.0
Ts
Secondary winding resistance Primary winding resistance
R-meas (42.0 °C) 5.821 Ω R-meas (42.0 °C)+Rlead 5.821 Ω R-meas
6.516 Ω R-ref (75.0 °C)+Rlead 6.516 Ω R-ref
Burden
Burden cos φ: Z V-meas
I-meas
Excitation
Ls Lm 122.353338 H Results at rated burden Results at operating burden
Kr 86.04 % ALF > 47.32 ALFi > 46.72 ALF > 47.32 ALFi > 46.72
Standard IEC 60044-1 εci (@ ALF=20) 0.103 % εci (@ ALF=20) 0.103 %
V-kn 1284.585 V I-kn 0.0387 A Ts 4.009 s Ts 4.009 s
Ratio
Turns ratio 1200.0531 Results at rated burden Results at operating burden
εt 0.0044 % Ratio 1200.0 : 0.9971 Ratio 1200.0 : 0.9971
Polarity OK ε -0.2950 % ∆φ 2.52 min ε -0.2950 % ∆φ 2.52 min
εc 0.3039 % εc 0.3039 %
Residual magnetism
Residual flux
Residual magnetism
Excitation
10000.00
1000.00
X1_X2_1
100.00
Terminal voltage
10.00
1.00
Knee IEC 60044-1
0.10
0.01
0.00 0.001 0.01 0.10 1.00 10.00
RMS current
1/2
Current ratio error in % at % of rated current
VA/cos φ 1.00 % 5.00 % 10.00 % 20.00 % 50.00 % 100.00 % 120.00 % 200.00 %
30.00/0.80 -2.3814 -1.2269 -0.8940 -0.6422 -0.4093 -0.2950 -0.2663 -0.2081
15.00/0.80 -1.4456 -0.8386 -0.6323 -0.4649 -0.3011 -0.2163 -0.1987 -0.1558
7.50/0.80 -0.8194 -0.5654 -0.4437 -0.3368 -0.2253 -0.1640 -0.1506 -0.1194
3.75/1.00 -0.1051 -0.2121 -0.1997 -0.1762 -0.1343 -0.1042 -0.0973 -0.0794
Phase in min at % of rated current
VA/cos φ 1.00 % 5.00 % 10.00 % 20.00 % 50.00 % 100.00 % 120.00 % 200.00 %
30.00/0.80 89.0153 27.3428 15.8975 8.9310 4.2215 2.5170 2.2188 1.5708
15.00/0.80 73.9417 25.9385 15.7975 9.3269 4.6097 2.7112 2.3828 1.7064
7.50/0.80 58.8160 25.2687 15.5405 9.5999 4.9745 2.9866 2.6498 1.8801
3.75/1.00 52.4195 27.2863 17.7950 11.7382 6.6315 4.2911 3.8206 2.8071
Current ratio error in % at % of rated current
30.000 VA
4.0000
3.0000 15.000 VA
2.0000
Current ratio error [%]
1.0000 7.500 VA
0.0000
3.750 VA
-1.0000
-2.0000
Limits
-3.0000
-4.0000 Limits
0.00 50.00 100.00 150.00 200.00 250.00
I/Ipn [%]
Phase in min at % of rated current
100.0000 30.000 VA
90.0000
80.0000
70.0000 15.000 VA
Phase [min]
60.0000
50.0000
40.0000 7.500 VA
30.0000
20.0000
10.0000
3.750 VA
0.0000
0.00 50.00 100.00 150.00 200.00 250.00
I/Ipn [%]
2/2