• Details

• portable high-voltage frequency conversion resonance withstand tester aim at equipment with voltage below 220KV as suitable subsititute of tradditional way of testing,
  
  it cover
  
  1 10kV、35 kV、66 kV、110 kV、220 kV AC withstand testing on working frequency of transformer
  
  2 110 kVGIS AC withstand testing
  
  3 10 kV、35 kV、66 kV、110 kV AC withstand testing on short cable
  
  4 10 kV、35 kV other equipment such as breaker, disconnecting switch, insulator working frequency AC withstand testing.
  
  Because the weight of device with frequency conversion series resonance is far less than one of normal switch. for example, 200KVA/200KV series's weight just be 1/10 of tansfomer of traditional testing. Adoptiong this method can largely decrease field workload.
  
  epoxy resin cast dry-type, elegant and reliable, suitable for AC testing of medium-voltage cable
  
  Main parameter:
  
  Supplying voltage: 380V±10%
  
  three phase 50Hz or 220V±10%
  
  single phase 50Hz（10kW）
  
  Maximal output voltage: 330 KVA
  
  Maximal output capacity: 330 KVA
  
  Ranger of frequency: 40~70 Hz
  
  Frequency-adjustment resolution: 0.01 Hz
  
  Output waveform: sine wave, wave aberration rate ≤1%
  
  Frequency adjust-sensitivity: 0.1 Hz
  
  Instability: ≤0.05%
  
  System possess of automatic protection for over-voltage, over-currency , discharge.
  

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