VCB Maintenance and Testing

VCB Maintenance and Testing

  • Checking of ON/OFF operation.
  • Checking of Vacuum interrupter.
  • Cleaning and proving lubricants on movable mechanical parts.
  • Testing of relays through secondary injections.
  • Tripping, testing of VCB, through over current and earth fault relay.
  • Testing of auxiliary relays.
  • Tripping of VCB through Buckhloz relay/OTI/WTI.
  • Tripping of VCB through primary injection.
  • Dismantling, cleaning and assemblingof front cover, push button, and locking device.
  • Dismantling, cleaning of arc chute cover and terminal shield.
  • Dismantling, cleaning and assembling of CE switches.
  • Dismantling, cleaning and tightening of every point of auxiliary and control unit connection block.
  • Dismantling, cleaning, greasing and assembling of hand pullout system, mechanism chassis and function position indicators.
  • Dismantling, cleaning, checking and assembling of arc chute.
  • Physical testing of control unit.
  • Dismantling, cleaning,
  • checking/testing and assembling of tripping coil/closing coil.
  • Dismantling, cleaning and assembling of electrical spring charging motor.
  • Cleaning and greasing of mechanical charging system.
  • Dismantling, cleaning, greasing and assembling of clusters.1.
  • Checking of ON/OFF operation.
  • Checking of Vacuum interrupter.
  • Cleaning and proving lubricants on movable mechanical parts.
  • Testing of relays through secondary injections.
  • Tripping, testing of VCB, through over current and earth fault relay.
  • Testing of auxiliary relays.
  • Tripping of VCB through Buckhloz relay/OTI/WTI.
  • Tripping of VCB through primary injection.
  • Dismantling, cleaning and assemblingof front cover, push button, and locking device.
  • Dismantling, cleaning of arc chute cover and terminal shield.
  • Dismantling, cleaning and assembling of CE switches.
  • Dismantling, cleaning and tightening of every point of auxiliary and control unit connection block.
  • Dismantling, cleaning, greasing and assembling of hand pullout system, mechanism chassis and function position indicators.
  • Dismantling, cleaning, checking and assembling of arc chute.
  • Physical testing of control unit.
  • Dismantling, cleaning,
  • checking/testing and assembling of tripping coil/closing coil.
  • Dismantling, cleaning and assembling of electrical spring charging motor.
  • Cleaning and greasing of mechanical charging system.
  • Dismantling, cleaning, greasing and assembling of clusters