Manufacturing


Power Transformer

service

Power Transformer

Z TECH ELECTRIC CO. DEALS IN MARKETING,TRADING AND SUPPLY OF ELECTRICAL EQUIPMENTS

Features

  • ⦁ Designed for 25 years of trouble-free performance
  • ⦁ Design conforms to IS 2026, IEC 60076, ANSI and other relevant standards
  • ⦁ Low power loss and low noise
  • ⦁ Designed to withstand electrical impulses and thermal and dynamic stresses
  • ⦁ Optimum utilization of active materials for compactness
  • ⦁ Modern manufacturing techniques ensure cost effectiveness and reliability

Specifications

  • ⦁ 3 phase, 50 Hz in voltages of 11kV, 22kV , 33kV, 66 kV & 110 kV
  • ⦁ Off-circuit tap changer to provide ± 5 %, ± 7.5% & +5% to -10% taps in steps of 2.5%
  • ⦁ On load tap changer to provide +5% to -15% taps in steps of 1.25% as standard range & also custom built for any other ranges. OLTC will be internally/externally mounted as per the requirement
  • ⦁ Class A, uniform/non-uniform insulated
  • ⦁ Vector group Dyn 11, YNd 11, YNyn 0
  • ⦁ Continuous duty, double copper wound
  • ⦁ Painting as per IS/IEC standards
  • ⦁ Both HV & LV side outdoor bushings or cable boxes
  • ⦁ Cooling radiators/fans.
  • ⦁ Standard fittings as per IS/IEC standards
  • ⦁ Buchholz relay with alarm and trip contact with shut off valves
  • ⦁ Oil temperature indicator with alarm and trip contact
  • ⦁ Winding temperature indicator with alarm and trip contact
  • ⦁ Magnetic oil level gauge with alarm contact
  • ⦁ Marshalling box to house oil temperature indicator and winding temperature indicator
  • ⦁ Cooler control unit
  • ⦁ Neutral current transformer

Optional accessories

  • ⦁ Winding temperature indicator and oil temperature indicator with remote indication
  • ⦁ RTDs for winding temperature measurement
  • ⦁ RTDs for winding temperature measurement
  • ⦁ Oil preservation system through air cell/thermosphyon filter
  • ⦁ RTDs for winding temperature measurement
  • ⦁ Neutral earthing bar with epoxy supports