Description
Product Description
Dry Type Transformer Technical Data:
| Rated Voltage | HV coil : Up to 35kV LVcoil : 0.208–1.14 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 | Three phase : 30 – 3150 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 Ambient temperature : Minimum -25°C Temperature rise limitation : 40°C |
1. Rated capacity : 30~6000kVA
2. Rated HV : 6kV to 35 kV
3. Frequency : 50Hz or 60Hz
4. Cooling methods : ONAN or ONAF
5. Tapping Range : ±5% ±2×2.5% ±4×2.5%
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. Design elevation not exceeding 2000 meters,Customization required for altitudes exceeding 2000 meters
10. Coil temperature rise : 55°C
11. Cooling methods : AN or AF
12. Crust prevention class :IP20, IP23
13. Insulation level:
1.)10KV,power frequency withstand voltage 35KV,thunder impact voltage 75KV
2.)20KV,power frequency withstand voltage 50KV,thunder impact voltage 125KV
3.)35KV,power frequency withstand voltage 70KV,thunder impact voltage 170KV
14. Product Standard : GB1094 GB6450 GB/T10228 DIN42523 IEC726
15. Can run in 100% relative humidity or other harsh environment.
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