Bushing type

Current
Transformers


VSPL Offers customized Bushing type CT's as per international standards which are used in power and distribution transformers in oil, gas insulated systems or air-insulated panels to measure the primary currents between 20 and 3000A.

  • Assembled & Non assembled type CT
  • According to the application area, crepe paper, woven polyester and polyester film, or their combination are used for insulation.
  • Current Transformers can be produced as a single unit or as a set by bringing together more than one unit.
  • Suitable for Transformer Oil
  • Latest winding Machines
  • Production Feasibilities
  • Rated Primary Current – 20 to 3500 A
  • Rated Secondary Current – 1A, 5A
  • Rated Frequency – 50 Hz
  • Burden class – According to Customer req.
  • Protection Class
  • Insulation Class – E
  • Inner Diameter – >150 mm
  • Outer Diameter – < 900 mm
  • Height < 140 mm
  • Weight – 175 Kgs/CT max
  • Specifications:

  • Accuracy Test
  • Over voltage & inter-turn test
  • Instrument security factor test
  • Knee point voltage test
  • Composite error test
  • Excitation current test
  • Measurement of Turns ratio
  • Measurement of Rct
  • 3 Kv test
  • Verification of terminal marking & Polarity
  • Fully equipped test setup
Each Bushing current transformer is 100% routine tested in accordance to the standard.  Top
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