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

Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

OFF CIRCUIT LINEAR TAP CHANGER

OFF CIRCUIT LINEAR TAP CHANGER

WSTI 63/33-6*5

 

Details of Products

 

 

 

Specification:

 

1.This kind of switch applies to the single-phase,three-phase,combination oil-immersed transformer of electrical power .

 

 

 

2.The frequency of 50HZ,60HZ,rated voltage of 10KV,35KV,rated current of 30A~250A;the voltage-regulating places are:central part,neutral point,can be directly fixed on the box-cover of thetransformer

 

 

 

3.under the non excitation condition regulating and changing. 

 

4.power device

Technical Parameters:

 

Item No. of the tap changer

 

WSTI 63/33-6*5

Rated current(A)

63

Rated votage(kV)

33

Rated power(HZ)

50/60

 

 

Number of phase 

5

Regulating position 

line

Quantity of tapping heads

6

Quantity of working position

5

life times

5000

contact pressure between
 dynamic and static contactor

≤350μΩ

load bearing of short-circuit(KA)

Thermal stabilization
(2S effectitive value)

18.75

dynamic stability
(peak value)

7.65

Dielectric level
(KV)

Rated voltage

20

Power-frequency
 voltage

20

Impulse voltage

55

Temp.-rise limit of contact(k)

≤15

 

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