Phase-shift Rectifier transformers


Dry type Rectifier transformer

C(220℃)insulation,The advanced VPI (Vacuum Pressure Impregnation) technology
  • 24pluse rectifier transformer
  • dry type rectifier transformer
  1. 24pluse rectifier transformer
  2. dry type rectifier transformer

C-class Dupont Nomex paper 

Improved construction, compact size, superior reliability

The advanced VPI (Vacuum Pressure Impregnation) technology is adopted to enable the products with excellent electric and mechanical performance

Factory Test

 Routine test     

 a) Measurement of winding resistance      

 b) Measurement of voltage ratio and check of phase  displacement 

 c) Measurement of short-circuit impedance and load loss

 d) Measurement of no-load loss and current      

 e) Separate-source AC withstand voltage test     

 f) Induced AC withstand voltage test    

 g) Partial discharge measurement

    Type test           

 a) Partial discharge measurement   

 b) Temperature-rise test    

    Special test  

 a) Lightning impulse test      

 b) Measurement of sound level          

 c) Short-circuit test           


Providing the multi-phase rectifier power to middle and high voltage inverter, playing multiple roles of isolation and phase shifting, mainly used in boiler fan in power plant, water supply system and metallurgy, chemical industry and municipal engineering of the automated control system.

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Varelen Electric Co., Ltd

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