Phase-shifting transformer

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VPI dry-type transformer

Improved construction, compact size, superior reliability Apdopted plenty of C-class Dupont Nomex paper to increase the performance of overheat/overlaod/fire-proof resistance
  • transformer with enclosure
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  1. transformer with enclosure
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  3. 09.jpg
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Improved construction, compact size, superior reliability

C-class Dupont Nomex paper 

highly insulating

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.


  • fan

    fan

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


  • 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.


  • coil

    coil

    Coil is made of oxygen-free copper, low resistance and low loss, but high efficiency. 


  • insulation material

    insulation material

    Insulation material: NOMEX paper of DUPONT brand, insulation Class C, heat-resistant is up to 220℃, with excellent overload capacity.


Related product parameters

Main Specification
Type
Dry type
PhaseThree phase
Frequency50/60HZ
Rated Capacity250 to 10000kVA
Rated HV3kV to 13.8kV
Rated LV3kV to 10kV
Temperature Rise125K
Cooling ModeAN / AF
Insulation ClassH
Winding Connection CodeY/E/yn
Secondary Windings Available6, 9, 12, 15, 18, 21, 24, 27, 36 windings
Maximum temperature+40℃
Minimum temperature-25℃
Altitude1000M


Factory Test & Report

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Factory Advantages

  • Personalized customization

    Only Focused on transformers, but we offer customized different types of transformers.

  • +20 years experience

    +20 years experience R&D team, derived from a 60 years history transformer factory in Changsha city of China.

  • Drew up the National Standard for Mining Explosion-proof Substation

    One of the drafters of Chinese National Standard (for Mining explosion-proof Mobile Substations). Unique deisgning for customers' convenience,like “Vertically Lifting”.

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.
 chemical industry
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boiler fan
 metallurgy

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Varelen Electric Co., Ltd

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