220kv Double Winding off Circuit Tap Changer Power Transformer
|FOB Price:||US $10,000-18,000,000 / Piece|
|Min. Order:||1 Piece|
|Min. Order||FOB Price|
|1 Piece||US $10,000-18,000,000/ Piece|
|Payment Terms:||L/C, T/T, D/P, Western Union|
- Model NO.: S10 220KV
- Phase: Three
- Cooling Method: Oil-immersed Type Transformer
- Certification: ISO9001-2000, UL, ISO9001, CCC
- Frequency Characteristics: High Frequency
- Brand: Ville
- Voltage Range: 420kv
- Power Definition: Power Constant on All Tapping of The on-Load Tap
- Transport Package: Wooden Cases
- Origin: China
- Application: Power, Electronic, Instrument, Furnace
- Core: Core-type Transformer
- Winding Type: Auto-transformer
- Usage: Power Transformer
- Shape of Core: Ring
- Test Certification: Kema Transformer Test
- Rated Power: 320mva
- Trademark: vilLE
- Specification: IEC Standard
- HS Code: 8504231200
5.3 Vacuum oiling is adopted, there is no leakage and permanent distortion in the following test. vacuum-pumping :759mmHg load voltage test: bear 2 times the oil pressure of oil conservator oil surface for 24 hours.
5.4 The structure of transformer is convenient for disassembly and change of bushing and porcelain element.
5.5 The oil drip valve is set on the bottom of oil tank, sampling valve is set in the middle.
5.6 collective gas connecting tube is fixed on the bushing hoist support.
5.7 Transformer is of full-sealed structure, the upper and down oil tanks are required to welded fully.
6,Oil conservation tank
6.1 Adopt capsule type, finger type oil level indicator oil conservation tank.
6.2 The structure is convenient for internal cleaning, the capacity can ensure no oil overflow in 40 ambient temperature with full load, and oil shall be seen from oil level indicator before put into operation in 25
6.3 Oil conservation tank is equipped with oil-sealed moisture absorber.
7,Safety protection device:
7.1 Gas relay is fixed in transformer, the standard complies with ZBK41004-89Gas relay.
7.2 There is enough and reliable pressure release device, and matched with oil spray pipe, the direction of oil spraying is downward.
8 Oil temperature measuring device:
8.1 There is pipe support of mercury thermometer, which is set on the top of oil tank.
|7. Vector Group YN a0 d11|
|8. Impedance Voltage in Percent at 75|
|Power MVA||winding||Rated voltage kV||Impedance voltage %|
|9. No-load Current: 0.2%:|
|10. Sustained Short Circuit Current.|
|Winding||Max. Sustained Short-circuit Current. Ka|
|11. Max. Duration of Short-circuits in Seconds(s)|
|LV: 3 s|