Automatic voltage stabilizer


Power transformers are key components in power networks. Their availability and longevity have a major impact on grid reliability and profitability.

Working:
Power Transformers are used to “transform” voltage from one level to another, usually from a higher voltage to a lower voltage. They do this by applying the principle of magnetic induction between coils to convert voltage and/or current levels. Generally the higher voltage falls in the range of 11-22-33kV whereas lower voltage falls in 250 or 433V range. The frequency remains identical before and after the transformation of the current. Power transformers can be configured as either a single-phase primary configuration or a three-phase configuration.

Features:

  • Optimum efficiency
  • Proportioning of core and winding losses using lamination
  • Electrolyte Grade 99.9% pure copper
  • Transposition in L.V. coil for current sharing in parallel conductors
  • Low temperature rise
  • Low maintenance cost

Application:
These transformers are widely used in:

  • Suburban areas
  • Industries
  • Power supply authorities

 

SPECIFICATION
Ratings Upto 5000 KVA
Applicable standards IS, IEC, BS etc.
Cooling ONAN, ONAF
Insulating fluid Mineral oil to specification
Frequency 50 Hz, 60 Hz
Primary voltage 11Kv/ 22 Kv/ 33 kV
Secondary voltage 433 v
Winding material Copper
Taping On load tap changer, Off circuit tap changer
Impedance In line with applicable standards
Insulation Class ‘A’
Vector group DYN 11


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