Electrical test bench manufacturers 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).

Electrical test bench manufacturers 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

Electrical test bench manufacturers 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.

Electrical test bench manufacturers 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%