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

Liaoning Jinli Electric Power Electrical Appliance Co.,Ltd

Off Load Linear Form Transformer Tap Changer

Specific introduction:

 

This series of switches is composed of the main body of the switch and the operation turning organ.They are applicable to the oil-immersed transformers with the frequency of 50HZ,60HZ,rated voltage of 35KV,66KV,110KV,rated current of 200A-1500A.They can be fixed on the body of the transformer or on the box-cover,and be tapped,regulated and changer under non excitation condition.

 

 

 

Technical data:

 

 

 

Item No. of the tap changerWST 30/20-6X5S
Rated current(A)30
Rated votage(kV)20
Rated power(HZ)50/60
Number of phase 3
Regulating position central
Quantity of tapping heads6
Quantity of working position5
life times5000
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 voltage20
Power-frequency
 voltage
20
Impulse voltage55
Temp.-rise limit of contact(k)≤15

 

 

 


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