SRI ® Special Application Transformer << Back

A number of industry applications require specific industrial transformers due to the usage of power(current) as a major resource for production.
We at Shri Ram Group Of Industries manufacture Special Application Transformers as below

  • Electric arc furnace transformers (EAF)
  • DC electric arc furnace transformers (DC EAF)
  • Rectifier transformers
  • Converter duty transformers
  • Line Feeder
  • Isolation Transformers
  • Lighting Transformers
  • Ultra Isolation Transformers

  • Technical Specification
  • Salient Features

Technical Specifications

Rating Upto 5 mVA
Duty Type Outdoor/Indoor, Pole or Ground Mounted
Voltage Class 3.3,6.6,11,22,33 kV or any specific
No Of  Phases 1 or 3 phase
Frequency 50/60 Hz
Vector Group Dyn1 or Dyn5 or Drn11 or any specific
Insulating Fluid PCB FREE Mineral Oil, both inhibited & uninhibited, as per IS/IEC and customer requirement as well
Cooling Medium Oil/Dry Type
Tap Changer Off Circuit or On Load
Tapping Range + 2.5% X 2 for OCTC or + 1.25% X 4 & -1.25% X 8 for OLTC or as per customer requirement
Winding Material Aluminium Or Copper with multi paper covering
Applicable Standards IS 2006,IEC76,ANSI,IEEE
Painting Enamel, Epoxy, Polyurethane, 10 Tank Powder Coating or customer specific
Tank Hermetically Sealed, Corrugated Radiator Type or Conventional rectangular tank type

Salient Features of SRI ® Make Special Application Transformers

Custom made to meet each and every requirement of customers conforming to National & international Standards.
Designed by experienced expert engineers using most modern software.
Highest dielectric insulation property to withstand Lightening Impulse.
Step lap core design with multiple sheets per bag used in the core lamination jointing.
Designed using advanced software like AutoCAD & ProE to ensure adherence to the design parameters.
Pre composed Insulation material for minimal moisture absorption.
In House Fabrication with Laser and CNC machines.
Integrated 10-Tank Powder coating process.
Facility to make 500 Nos Transformers per month.