Email:i-trade1@lnjldq.com Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Non excitation Tap Changer

Non excitation Tap Changer


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()   Neutral Point()   Terminal Point()

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

5060

Insulation level(KV)

Rated   Voltage

10KV

20KV

35KV

Power-frequency   withstand Voltage50Hz1min)

42KV

55KV

95KV

Impulse1.250μs)

75KV

125KV

250KV

Sealing   PerformanceKPa/24h

60

Machine life(Thousands of times)

2

 


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