1) Up to 33kV range
2) Secondary Current Rating- 1A or 5A
3) Primary Current Rating – upto 1600A
4) Accuracy Class – upto 0.2S Class
5) STC – upto25 kA/ 3sec.
|
Test |
Test Method |
Year |
LL |
Unit |
UL |
Unit |
|
Power frequency dry withstand test on primary terminals |
IS 2705 (Part 1) |
2017 |
10 |
kV |
95 |
kV |
|
IS 16227 (Part 1) |
2016 |
10 |
kV |
95 |
kV |
|
|
IEC 61869-1 |
2007 |
10 |
kV |
95 |
kV |
|
|
Power frequency dry withstand test on secondary terminals |
IS 2705 (Part 1) |
2017 |
1 |
kV |
5 |
kV |
|
IS 16227 (Part 2) |
2016 |
1 |
kV |
5 |
kV |
|
|
IEC 61869-1 |
2012 |
1 |
kV |
5 |
kV |
|
|
Secondary winding resistance |
IS 2705 (Part 2) |
2017 |
50 |
m ohm |
20 |
ohm |
|
IS 16227 (Part 2) |
2016 |
50 |
m ohm |
20 |
ohm |
|
|
IEC 61869-2 |
2012 |
50 |
m ohm |
20 |
ohm |
|
|
Over Voltage interturn test |
IS 2705 (Part 1) |
2017 |
1.8 |
mA |
10 |
A |
|
IS 16227 (Part 2) |
2016 |
1.8 |
mA |
10 |
A |
|
|
IEC 61869-2 |
2012 |
1.8 |
mA |
10 |
A |
|
|
Determination of Composite Error |
IS 2705 (Part 3) |
1992 |
0.1 |
V |
750 |
V |
|
IS 16227 (Part 2) |
2016 |
0.1 |
V |
750 |
V |
|
|
IEC 61869-2 |
2012 |
0.1 |
V |
750 |
V |
|
|
IS 2705 (Part 3) |
1992 |
0.01 |
kV |
3.3 |
kV |
|
|
IS 16227 (Part 2) |
2016 |
0.01 |
kV |
3.3 |
kV |
|
|
IEC 61869-2 |
2012 |
0.01 |
kV |
3.3 |
kV |
|
|
IS 2705 (Part 3) |
1992 |
1.8 |
mA |
10 |
A |
|
|
IS 16227 (Part 2) |
2016 |
1.8 |
mA |
10 |
A |
|
|
IEC 61869-2 |
2012 |
1.8 |
mA |
10 |
A |
|
|
Instrument Security Current test |
IS 2705 (Part 2) |
1992 |
0.1 |
V |
750 |
V |
|
IS 16227 (Part 2) |
2016 |
0.1 |
V |
750 |
V |
|
|
IEC 61869-2 |
2012 |
0.1 |
V |
750 |
V |
|
|
IS 2705 (Part 2) |
1992 |
1.8 |
mA |
10 |
A |
|
|
IS 16227 (Part 2) |
2016 |
1.8 |
mA |
10 |
A |
|
|
IEC 61869-2 |
2012 |
1.8 |
mA |
10 |
A |
|
|
Knee point voltage and exciting current |
IS 2705 (Part 2) |
1992 |
0.1 |
V |
750 |
V |
|
IS 16227 (Part 2) |
2016 |
0.1 |
V |
750 |
V |
|
|
IEC 61869-2 |
2012 |
0.1 |
V |
750 |
V |
|
|
IS 2705 (Part 2) |
1992 |
0.01 |
kV |
3.3 |
kV |
|
|
IS 16227 (Part 2) |
2016 |
0.01 |
kV |
3.3 |
kV |
|
|
IEC 61869-2 |
2012 |
0.01 |
kV |
3.3 |
kV |
|
|
IS 2705 (Part 2) |
1992 |
1.8 |
mA |
10 |
A |
|
|
IS 16227 (Part 2) |
2016 |
1.8 |
mA |
10 |
A |
|
|
IEC 61869-2 |
2012 |
1.8 |
mA |
10 |
A |
|
|
Determination of current ratio error |
IS 2705 (Part 2) |
2017 |
0 |
% |
5 |
% |
|
IS 2705 (Part 3) |
1992 |
0 |
% |
5 |
% |
|
|
IS 16227 (Part 2) |
2016 |
0 |
% |
5 |
% |
|
|
IEC 61869-2 |
2012 |
0 |
% |
5 |
% |
|
|
Determination of current Phase Displacement |
IS 2705 (Part 2) |
2017 |
0 |
Min. |
120 |
Min. |
|
IS 2705 (Part 3) |
1992 |
0 |
Min. |
120 |
Min. |
|
|
IS 16227 (Part 2) |
2016 |
0 |
Min. |
120 |
Min. |
|
|
IEC 61869-2 |
2012 |
0 |
Min. |
120 |
Min. |
|
|
Verification of terminal marking and polarity (Qualitative Test) |
IS 2705 (Part 1) |
2017 |
-- |
-- |
-- |
-- |
|
IS 16227 (Part 2) |
2016 |
-- |
-- |
-- |
-- |
|
|
IEC 61869-2 |
2012 |
-- |
-- |
-- |
-- |
|
|
Turn ratio test – Current Error Measurement |
IS 2705 (Part 4) |
1992 |
0 |
% |
5 |
% |
|
IS 16227 (Part 2) |
2016 |
0 |
% |
5 |
% |
|
|
IEC 61869-2 |
2012 |
0 |
% |
5 |
% |
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