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Power Distribution Transformer


Power Distribution Transformer

Specifications

Certification ISI Certified
Application Industrial Use
Automatic Grade Automatic
Applicable Standards IS, IEC, ANSI, JIS, BS, DIN
Standards Tested as per IS: 2026, BS - 171, IEC - 76 & IEC - 726
Vector Group Transformers will be connected as per vector group reference Dyn 11

Features of Distribution & Power Transformer:

  • Upto 150 kva Single phase both 11 & 33 Kv class
  • Upto 40 MVA, 66 Kv class
  • Upto 20 MVA OLTC 33 Kv class

 

Transformer Options:

  • Cooling tubes, radiators and corrugated tanks
  • Pole mounted or ground mounted
  • Free breathing or hermetically sealed
  • CSP and Non CSP
  • Winding-copper/aluminum (foil/rectangular wire/round wire)
  • Fittings and accessories, cable
  • Terminations: As required

 

Terminal Arrangement:

  • H. V - bare bushings or cable box
  • L. V. - bare bushings
  • Cable box
  • Disconnecting chambers can also be provided on both HV and LV cable boxes

 

Temperature Rise:

  • Transformers are designed for a maximum temperature rise 40/50ºC of oil and winding
  • Lower temperature rise can be offered on request

 

Standard Fittings:

  • Rating and diagram plate
  • Earthing terminals - 2 nos
  • Lifting lugs
  • Oil level indicator (plain)
  • Drain-cum bottom filter valve with plug
  • Oil filling hole with plug on conservator
  • Oil conservator with drain plug
  • Air release plug
  • Silica gel air breather
  • Bi-directional flat rollers
  • HV terminals-outdoor bushings
  • LV terminals-outdoor bushings
  • Radiators
  • Filter valve with plug
  • Thermometer pocket
  • Oil temperature indicator
  • Externally operated off circuit tap changing switch
  • Explosion vent
  • Sampling value (for 2000 Kva & above transformers only)

 

Accessories on Request:

  • LV and HV cable boxes
  • Winding temperature indicator (WTI)
  • Buchholz relay
  • Magnetic oil level gauge
  • Marshalling box
  • Disconnecting chamber
  • Oil temperature indicator with electrical contacts

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