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Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Y-∆ Conversion Linear Tap-changer

Y-∆ Conversion Linear Tap-changer

Y-△Conversion Linear Tap-changer This kind of Y-△Conversion combined linear off circuit tap-changer applies to the single-phase, three phase and combination oil-immersed transformer electrical power with frequency of 50HZ,60HZ,rated voltage of 10KV,35KV,rated current of 30A~500A. Providing you...

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Product Details

Y-△Conversion Linear Tap-changer
This kind of Y-△Conversion combined linear off circuit tap-changer applies to the single-phase, three phase and combination oil-immersed transformer electrical power with frequency of 50HZ,60HZ,rated voltage of 10KV,35KV,rated current of 30A~500A.

Providing you the best range of tap changer with reversing connection, series parallel connection for tap changer, reversing type off circuit tap changer, double bridging tap changer, linear type tap changer and coarse fine tap changer with effective & timely delivery.

We are one of the widely acclaimed manufacturers and exporters of Conversion Combined Linear Tap Changer. The offered double bridging tap changer is specially fabricated using the superior grade raw materials such as copper, aluminum and bake lite. Our supplied double bridging tap changer is capable of handling a wide range of voltage fluctuations in the electrical circuit. The manufactured double bridging tap changer is tap changer which is aligned in the double bridging.

Model Explanation
 WST □ - □/□-□╳□
    W:  off-circuit
    S :  three-phase or D for single phase
    T :  linear type tap chager
    □:  voltage regulation model
    □:  rated current
    □:  rated voltage
    □:  number of tapping heads
    □:  number of tapping position

Voltage Regulation Model
    I  :  terminal point
    II :   central point
    III :  neutral point
   IV :  Y-△ conversion
   V :  series-parallel connection

Samples Technical Data

Specifications

WST 30

WST 63

WST 125

WST 250

WST 400

WST 500

Phase number

three-phases

Connection mode

Central point(Ⅱ) Neutral Point(Ⅲ) Terminal Point(Ⅰ)

Rated through current(A)

30

63

125

250

400

500

Short-circuit capacity

Heat stableness current(KA/2s)

0.7

1.6

2.5

3.75

4

5

Dynamic stableness current(KA)

1.8

4

6.25

9.375

10

12.5

           Rated frequency

50~60

Insulation level(KV)

Rated Voltage

10KV

20KV

35KV

Power-frequency withstand Voltage(50Hz/1min)

42KV

55KV

95KV

Impulse(1.2/50μs)

75KV

125KV

250KV

Sealing Performance(KPa/24h)

60

Machine life(Thousands of times)

2

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