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Dry Type Transformers

Dry Type Transformers
Dry Type Transformers
Product Code : 16
Product Description

Dry Type Transformers

Dry Type Transformer are totally maintenance free and safe from fire as material used are metals, ceramics, fiberglass and resin It is environment friendly as there is no oil, hence handing becomes easier and there are no chances of spillages and leakages & there is minimal non toxic smoke in case of fire.

 

Dry Type Transformers is also known as Mining Transformer.


Advantages

  • High level of safety
  • No flammable liquids
  • No pollution from leaks solution
  • No toxic off-gasses
  • Can be placed close to the load
  • More efficient
  • Increased emergency overload capability
  • Improved reliability
  • Low Noise and low maintenance
  • Easy to repair (open coils)


Routine Tests

  • Measurement of Winding Resistance
  • Measurement of Voltage/Turns Ratio
  • Measurement of Impedance Voltage/Short Circuit
  • Impedance & Load Loss
  • Measurement of No Load Loss & No Load Current
  • Measurement of Insulation Resistance


Environmental Impact Operation Aspects

  • Transformers insulated with Nmex brand materials are extremely safe, even when exposed to fire
  • High flame resistance, & low smoke and no toxic off-gasses
  • Class H & E ventilated dry type transformers can be built smaller, reducing the footprint to the environment, conserving space
  • Insulation is friendly to use during manufacturing-no skin irritants or surface chemicals


Technical specifications:

Parameters

VDT

Cast Resin

Conductor Insulation

Nmex

Non woven polyester

Thermal Rating

F or H/C

F/B or F

Process

Conventional Winding

Cast Mold Assembly


Assembly


Impregnation

Vacuum pressure

Vacuum casting


impregnation


Repair

Possible

Not Possible

Cracking

Not Possible

Possible

Overloading

High Over load margin

No Over load margin

Environment

Can be easily

Large amount of resin

concern

disposed of

to be disposed of

Safety

No toxic off gases,

Emission of toxic gases


no melting


Partial Discharge

Free of partial

Partial Discharge is possible


discharge

due to high probability of



bubbles formation during casting

 


MUSKAAN POWER INFRASTRUCTURE LTD.

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