China 22kv Dry Type Power Transformer (SCB), Find details about China Dry Type Transformer, Power Transformer from 22kv Dry Type Power Transformer (SCB)
6kV up to 35kV Dry Type Transformer with Cast Epoxy Resin
Dry Type Transformer Technical Data:
Power-Cast transformers are available with specification as follows :
Rated Voltage | HV coil : Up to 24kV LVcoil : 0.48-4.16 KV *Power-Cast transformers with multiple high voltage connections can also be supplied. |
Tap Range | Standard : ±2.5%, ±5% Other ratings are available by arrangement. |
Power Capacity | Single phase : 20 - 2,000 KVA Three phase : 50 - 10,000 KVA Frequency : 50Hz, 60Hz Typical % impedance voltage : 4-8%. |
Connections | HV coil : Delta LVcoil : Wye with neutral point * Other connections are available to meet requirements. |
Temperature Ratings | HV coil : Class F LVcoil : Class F Max. ambient temperature : 450 C Temperature rise limitation : 1800 C |
1. Rated capacity : 30~16000kVA
2. Rated HV : 6kV to 35 kV
3. Frequency : 50Hz or 60Hz
4. Cooling methods : ONAN or ONAF
5. Tapping Range : ±5% ±2x2.5% ±4x2.5%
6. Regulator way : off-circuit-tap-changing or on-load-tap-changing
7. Phase : Single Phase or Three Phases
8. Connection Symbol : Yyn0 or Dyn11 or others
9. The altitude of installation could not be over 1000m;environment temperature should be less than 40
10. Coil temperature rise : 1000K
11. Cooling methods : AN or AF
12. Crust prevention class : IP00, IP20, IP23
13. Insulation class : F class
14. 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
15. Product Standard : GB1094 GB6450 GB/T10228 DIN42523 IEC726
16. Can run in 100% relative humidity or other harsh environment.