Distribution Transformer

Techno Tech Energy manufacture wide range of Oil Cooled Distribution Transformers. The standard range is up to 5000 KVA. A Distribution Transformer is a Transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines to the level used by the customer.

Technical Specification

  • 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

  • Insulating Fluid PCB Free Mineral Oil, both inhibited & uninhibited, as per IS/IEC and customer requirement

  • Class of Insulation Class A

  • Off circuit tab changer to provide ±5% in 5 Step, ±7.5% in &Step taps in step of 2.5% and customer requirement. cusom built for any other ranges.

  • OLTC will be internally/externally mounted per the requirement

  • Winding Material Aluminium or Coffer with multi paper covering (MPC)

  • Painting Epoxy, Polyurethane or customer specific

  • Vector Group Dyn 1 or Dyn 5 or Dyn 11 or any specific

Protective Devices

  • Buchholz Relay with Alarm and Trip Contact starting form 500 KVA.

  • Oil Temperature Indicator(OTI) with Alarm an Trip Contact starting form 500 KVA.

  • Winding Temperature Indicatore(WTI) with Alarm and Trip Contact starting form 500 KVA.

  • Magnetic Oil level gauge(MOLG) with Alarm Contact starting form 500 KVA.

  • Marshalling Box to House O.T.I and W.T.C. starting form 500 KVA.

Standard Fittings

  • Earthing Terminals

  • Thermometer Pocket

  • Explosion Vent with Diaphragm

  • Bottom-Filter Valve

  • Silica Gel Breather

  • LV & HV Side Cable Box

  • Lifting Lugs

  • Oil Conservation with

  • Drain Plug

  • Oil Level Indicator

  • Top Filter Valve

  • Cooling Radiators

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