Gas Insulated Test Transformer
HGTS 250KV/250KVA Gas Insulated Test Transformer
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HGTS 250KV/250KVA Gas Insulated Test Transformer

Lead time: 90 days

Mode: HGTS 250KV/250KVA
Casing, Stationary type                                           Rated Capacity: 250kVA
Single phase                                                             Rated Voltage: 3kV; HV winding: 250kV
Frequency: 50Hz                                                     Rated Current: 83.3A HV Current: 1A
Working frequency: 50Hz                                      Waveform deviation ≤3%
Chamber rated SF6 pressure: 0.5Mpa (Gauge pressure)              Unload Current: IO <10%
Annual gas leakage < 0.5%                                    Impedance voltage ≤20% (50Hz)
Over Voltage Ablity: Overvoltage at 275kV for 60s. then it shall not happened any insulation damage for the testing transformer.
Partial discharge level: ≤5pC@250kV; ≤3pC@200kV
Noise: ≤60dB                                         Dielectric loss: <0.5%
Operating Time: Working for one hour allowed at 100% rated current & voltage and stop for 12 hours; and temperature rise of transformer windings is less than75K.

Principle Diagram: 

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