UNIMAG POWER Transformer

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Distribution OLTC Transformer

A distribution transformer or service 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.

Features:

  • Designed for 25 years of trouble-free performance
  • Design conforms to IS 2026, BS 171, IEC 76 and other relevant standards
  • Low power loss and low noise
  • Designed to withstand electrical impulses, thermal and dynamic stresses
  • Optimum utilization of active materials for compactness
  • HIGH PERFORMANCE WITH LIFE EXTENSION AND LOADING FLEXIBILITY
  • Modern manufacturing techniques ensure cost effectiveness and reliability

Specifications:

  • 3 phase, SO Hz in voltages of 11 kV, 22kV and 33kV
  • Off-circuit tap changer to provide +5% to -10%_& + 5% taps in steps of 2.5% as standard range
  • On-load tap changer to provide +7% to -21 % taps in steps of 1.75% & +5% to -15% taps in steps of 1.25% as standard range & also custom built for any range
  • Class A insulated
  • Vector group Dyn 11
  • Continuous duty
  • Copper wound/Aluminum wound

Optional accessories:

  • Pressure relief valve without contact/with contact
  • Buchholz relay with alarm and trip contact
  • Oil temperature indicator with alarm and trip contact
  • Winding temperature indicator with alarm and trip contact
  • Optimum utilization of active materials for compactness
  • Marshalling box to house oil temperature indicator and winding temperature indicator
  • Neutral current transformer
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