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Wenzhou Rockwell Transformer Co., Ltd.

Dry Type Transformer, Distribution Transformer, Transformer manufacturer / supplier in China, offering 22kv Dry Type Power Transformer (SCB), 7.6kv 13.8kv 19.9kv Single Phase Voltage Regualtor 32steps Auto Transformer, China Top3 Manufacturer of Single Phase Automatic Step Voltage Regulator and so on.

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Supplier Homepage Product Dry type transformers 22kv Dry Type Power Transformer (SCB)

22kv Dry Type Power Transformer (SCB)

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 10000
Transport Package: Wooden
Payment Terms: L/C, T/T, Money Gram

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Basic Info
  • Model NO.: SCB
  • Phase: Three
  • Cooling Method: Dry-type Transformer
  • Trademark: Rockwell
  • Origin: China
  • Application: Power
  • Core: Core-type Transformer
  • Winding Type: Multi-winding Transformer
  • Specification: IEC/ANSI/IEEE. BS
  • HS Code: 8504220000
Product Description

6kV up to 35kV Dry Type Transformer with Cast Epoxy Resin 
Dry Type Transformer Technical Data: 
22kv Dry Type Power Transformer (SCB)
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 RangeStandard : ±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.

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