Phase-shift Rectifier transformers

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Rectifier Variable-frequency transformer

Adopting class C Dupont insulation materials, vacuum pressure impregnation class C UL insulating paint, oxygen-free copper wire
  • rectifier transformer
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Improved construction, compact size, superior reliability

C-class Dupont Nomex paper 

highly insulating

high-quality silicon steel sheet

With electromagnetic and structural optimization design, small size and lower noise

Our product advantages

  • Iron core

    Iron core

    Core is made of superior steel, outstanding performance of magnetic conduction. Joint is processed by 45° oblique angled technique, with low loss & low noise.

  • winding

    winding

    Winding structure is pie type, which can manage with the field strength effectively. Plus the NOMEX paper used, which ensures very low partial discharge.

  • fan

    fan

    Blowers with metal cover, fan’s interface with metal cover 

Related product parameters

Main Specification

Type

Dry type

Phase

Three phases

Frequency

50/60Hz

Cooling Mode

AN / AF

Rated Capacity

250 to 10000kVA

Rated HV

3kV to 13.8kV

Rated LV

3kV to 10kV

Temperature Rise

125K

Insulation Class

H

Winding Connection Code

Y/E/yn

Secondary Windings Available

6, 9, 12, 15, 18, 21, 24, 27, 36 windings

Maximum temperature

+40℃

Minimum temperature-25℃

Maximum daily average temperature

+30℃

Maximum annual average temperature

+20℃

Altitude

1000M

Location

Indoor, without corrosive medium

Supply voltage

Approximate to the sinusoidal wave


Factory Test & Report

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Applications

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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 boiler fan
metallurgy

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Contact us

Varelen Electric Co., Ltd

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