Primary Current Injection Test Set

Primary Current Injection Test Set


Primary Injection Test Set is used for loading calibration and testing of CT's bi-metals relays, protection relays, etc. Mostly this unit is designed as per customer's specification. This test set is of 15 minutes ON/30 Minutes OFF duty i.e. testing duty only. Loading transformers are design for continuous use for temperature rise for bus duct/bus bar, etc.

  • Step Down Transformer:  A double wound transformer is used for supplying high current at low voltage for testing
  • Current Control: A step-less Auto Transformer is used for controlling output current from Zero to Maximum
  • Input Voltage Ranges: 230/415 Volts single/two/three phase 50Hz. AC supply
  • Output Voltage Ranges: As per requirement
  • Output Current: Up to 25000 Amps
  • Capacity:  Up to 500 KVA
  • Duty:  15 Minutes ON-30 Minutes OFF in case of Primary Injection test set and continuous in case of Loading Transformer
  • Metering:  Multi range Ampere meter of class 1.5 with CT of class 0.5 are provided on secondary side to indicate output current
  • Protection:  ON-OFF Switch with fuse is provided to protect the unit against short circuit, push button to actual and cut of output
  • Housing:   Each unit is housed in a MS sheet body, supported with angle iron frame. The oil-cooled models are housed in suitable MS tank and the control panel is on the tank or as per requiems
  • Optional:    (a) Voltmeter  (b) Timer as per requirement  (c) Rubber cable (c) Zero start interlocking with by pass switch
  • Termination:  The output is brought out on suitable Bus Bar/Terminals.

  • Compact in nature
  • It is available in portable trolley type/stationery type model Amps
  • Optional digital/analogue timer
  • Main Transformer up to 25,000 Amps Naturally air-cooled type
     

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