- Contact Person : Ms. Liu yu
- Company Name : Bao Ding Tian Wei Group Jiang Su Wuzhou Transformer Co., Ltd.
- Tel : 86-512-58165258
- Fax : 86-512-58260221
- Address : Jiangsu,Zhangjiagang,No.8 Xinjing West Road, Economic Development Zone
- Country/Region : China
- Zip : 215600
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Technique specification:
1. voltage step:6-35KV
2. capacity:30 3150 KVA
3. voltage variation: off-circuit electric regulate or on-load tap-changing
4. tapping stage:± 5%, ± 2 ×2.5%( or under customer requirements)
5. frequency: 50 Hz or 60 Hz
6. phase: 3 phase
7. connecting symbol : YynO;Dynll( or under customer requirements)
8. short-circuit impedance :Standard impedance ( see performance parameters table)
9. service condition: humidity 100%, environment temperature is not higher than 40
10. highest temperature rise:100K
11. cooling method: self cooling(AN)
12. protection grade:IP00, IP20( indoor), IP23( outdoor)
13. insulation grade : F class
14. insulation level:
1)10 KV class product: power frequency withstand voltage 35 KV, impulse withstand voltage 75 KV
2)20 KV class product: power frequency withstand voltage 50 KV, impulse withstand voltage 125 KV
3)35 KV class product: power frequency withstand voltage 70 KV, impulse withstand voltage 170 KV