Mining flame proof substations

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mining flame-proof mobile substations

The Explosion-proof Mobile Substation consists of mainly explosion-proof high voltage switch, explosion-proof transformer, and explosion-proof low voltage switch. The transformer is bolted to the high and low voltage switches.
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Excellent explosion-proof performance and mechanical strength

Vertically lifted structure adopted

Adopted cylinder-type HV winding to strengthen resistance to over-voltage

Excellent over-load resistance and insulated performance by using Dupont Nomex paper

Fire-proof, nonpoisonous air created

Low noise

Maintance-free

Environment protected

Our product advantages

The company's workshop is dust-free, constant temperature, constant humidity, with imported production technology equipment, to achieve the production process information, lean, intelligent
  • Iron core

    Iron core

    Superior silicon lamination for steel core, the lamination joint is processed by oblique cut angle and the latest new technology “seven-step”, which ensures small no-load loss and current.


  • Vertically lifted structure adopted

    Vertically lifted structure adopted

    Special anti-loose structure with vertical lifting ability, no internal looseness during transportation, easy to use and maintain


  • insulation material

    insulation material

    Main insulating material is C-class and Nomex paper is adopted, plus the oxygen-free copper winding, which ensures small partial discharge, small no-load and load loss, and low temperature rise.


  • Enclosure

    Enclosure

    Excellent explosion-proof performance and sufficient mechanical strength. 


  • rail wheels

    rail wheels

    Equipped with rail wheels, strong impact resistance ability, detachable and adjustable rail gauge.


  • Multiple protective functions

    Multiple protective functions

    Multiple protective functions of overload, short circuit, leakage, leakage lockout, over-voltage, under-voltage and over temperature. 

     With RS485 interface for computer communication. 


Related product parameters

Main Specification

Transformer type

Three phases, dry type

Frequency

50/60Hz

Rated capacity

Up to 8000kVA 

Rated voltage

Up to 10kV

Insulation class

H,C

Cooling mode

AN

Explosion-proof type

ExdIMb

Connection code

Yd, Dyn, Yyn etc.

Executive standard

IEC60079 


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

Mining Flame-proof Mobile Substation is designed specially for environment of methane mixture gas, coal dust and potentially explosive areas. It’s widely used in coal mines, non-ferrous metal mines, tunnel projects etc.
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Varelen Electric Co., Ltd