Test ability:
1)Can meet the capacity of 63000KvA, 110Kv and below the oil-immersed
transformer (including S9 S11 S13 and amorphous alloy transformer);
2) It can meet the capacity of 31500KvA, 35Kv and below dry-type
transformers;
3) Mine explosion-proof transformers that can meet capacity of
6300KvA, 10Kv and below;
4) Special transformer (need to inform detailed capacity and
voltage level when ordering).
Test item:
1) Transformer winding resistance test
2) Transformer voltage ratio measurement and connection group
number test
3) Transformer no-load current (%) and no-load loss test
4) Transformer short circuit impedance (%) and load loss test
5) Transformer power frequency applied pressure test
6) Transformer induced withstand voltage test
Extensible test project:
1) Transformer partial discharge test
2) No-load harmonic test (0-31th harmonic)
3) Withstand voltage test of transformer oil (0-80Kv)
4) Transformer temperature rise test (can automatically draw
temperature rise curve)
5) Insulation resistance test (absorption ratio and polarization
index)
6) Transformer anti-interference dielectric loss test
7) Lightning impact test.
Performance indicators:
1. Tested transformer parameters
1.1 Transformer capacity under test (to meet temperature rise test
condition, dry type transformer)
10kV level ≤2500KVA
35kV level ≤6300kVA
1.2 Tested transformer voltage level below 35kV on primary side
2. Accuracy
2.1 Voltage Range 0-22kV
2.2 Current Range 0-400A
2.3 Minimum voltage resolution 0.001V* PT ratio
2.4 Minimum current resolution 0.0001A*CT ratio
2.5 Power Minimum Resolution 0.1W*PT Ratio*CT Ratio
2.6 Ambient temperature -10~45°C
2.7 Using Relative Humidity 85%
