HV Instrument Transformers

High Voltage Instrument Transformer up to 245 kV

  • Dead Tank & Live tank Current Transformers up to 245 kV
  • Electromagnetic Voltage Transformers up to 245 kV
  • CTPT Combined Unit Up to 36 kV

Features

  • High quality paper-oil insulation
  • Metering & Protection
  • Oil expansion by stainless steel bellows
  • Oil level indicator
  • Changing of primary ratio by secondary taps
  • 0.3g seismic withstand level
  • Protection Level: IP55
  • Dielectric Dissipation factor : < 0.003
  • Thermal Stability & Temperature Coefficient maintained
  • Compliance with IEC, ANSI/IEEE or equivalent standard
  • Internal Partial Discharge : < 10 pC at 1.2 x Um
  • Frequency : 50Hz
  • Ambient Temperature: -30 to 50 ° C
  • Mechanical Strength : As per IEC 61869
  • Validation by special type test E.g. Multiple Chopped Test, Chopped Impulse Test
  • Optimum capacitance Grading by High Dielectric strength of Insulating paper
  • Rated currents: The maximum primary rated current is 3000A. Secondary rated currents are 1A or 5A.
  • Metal Parts treated for corrosion resistance by PU paint and Hot Dipped Galvanizing Process

Benefits

  • Price advantage
  • Better Impulse & Short circuit strength
  • Long Service Life & Zero Maintenance
  • Space Saving—Easy to move
  • Cost savings on transportation and assembly

Applications

  • Reliable Measurement of Power & Protection in Transmission & Distribution of Electricity