Manufacturing


Cast Resin Dry Transformer

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Specific features

  • Design conforms to relevant standards IEC 76, IEC 726, IS 11171, IS 2026, ECBC -2017 with latest Amendment -2020 and as per any other international standards
  • Designed to withstand short circuit forces, thermal stresses and electrical impulses. Low partial discharge
  • Low load power losses and low noise
  • Fire retardant, compact and best suited for indoor installations
  • Installation can be very close to load center thereby LT cable cost saving
  • Advanced manufacturing techniques to ensure cost effectiveness
  • Reliable, user friendly, easy to install and occupies less space

    • Cast Resin Dry Transformer

    Z TECH ELECTRIC CO. DEALS IN MARKETING,TRADING AND SUPPLY OF CAST RESIN / VPI DRY TRANSFORMER 11/33KV UP TO 2500KVA

    Specification

  • Cast resin dry type transformer
  • 11kV/433V, 3phase, 50 Hz
  • Off circuit tap links ± 5% in steps of 2.5%/ On Load Tap Changer +5 to -15% @ 1.25%
  • Class F and H insulation
  • HV Delta connected, LV Star connected with
  • Dyn 11 vector group
  • Natural air cooling and forced air cooling
  • Duty cycle – continuous
  • Winding- copper duly resin casted
  • Enclosure-IP 21,23 to IP 33 and as per need
  • Cable boxes on HV and LV
  • Painting shades as per IS and IEC standards

    • Standard fittings

  • Rating and diagram plate
  • Earthing terminals - 2
  • Off-circuit tap links/On load tap Changer
  • Enclosure - IP 21, IP23 with cooling louvers
  • Lifting lugs
  • Jacking lugs

    • Optional accessories

  • PT-100 sensors in each coil
  • Winding temperature scanner with alarm and trip coil