Product description
Rated capacity: 30 to 2500kVA
Rated voltage: up to 12kV
Frequency: 50 or 60Hz
Cooling methods: ONAN or ONAF
Tapping range: ±5%, 2x2.5% and 4x2.5%
Regulator way: off-circuit-tap-changing or on-load-tap-changing
Connection symbol: Yyn0 or Dyn11
Altitude of installation could not be over 1000m
Environment temperature: less than 40°C
Coil temperature rise: 1000K
Cooling methods: AN or AF
Crust prevention class: IP00, IP20 and IP23
Insulation class: F class
Insulation level:- 10kV:
- Power frequency withstand voltage: 35kV
- Thunder impact voltage: 75kV
- 20kV:
- Power frequency withstand voltage: 50kV
- Thunder impact voltage: 125kV
- 35kV:
- Power frequency withstand voltage: 70kV
- Thunder impact voltage: 170kV
Standards: GB1094, GB6450, GB/T10228, DIN 42523 and IEC726
Can run in 100% relative humidity or other harsh environment
10kV:Power frequency withstand voltage: 35kVThunder impact voltage: 75kV20kV:Power frequency withstand voltage: 50kVThunder impact voltage: 125kV35kV:Power frequency withstand voltage: 70kVThunder impact voltage: 170kV