HT Panel Testing

HT Panel Testing

In electrical engineering, high voltage testing is a process that is used to ensure the safety, efficiency, and reliability of electrical components, equipment, and systems like electrical machines, circuit breakers, insulators, etc. under a high voltage condition.

The high voltage testing is mainly performed on those electrical devices and equipment that are assumed to be used in high voltage systems like generating stations, transmission and distribution stations, etc.

The high voltage testing is a vital testing method to evaluate the reliability, performance, and safety of high voltage devices and equipment such as power transformers, high voltage switchgear, high voltage line insulators, transmission line conductors and cables, and many other high voltage electrical components.

Category:

Purpose

Purpose of High Voltage Testing:

The high voltage testing is a process to estimate the safety and reliability of a high-voltage electrical equipment.

Here are some key factors that define the purpose and importance of the high voltage testing in the field of electrical engineering:

  • To evaluate the insulation performance of the equipment –
  • To estimate risk and ensure safety –
  • To verify safety standards –
  • To detect manufacturing defects and assure product quality 
  • To estimate lifespan of equipment 

 

Test to be done

The following test are to be carried out for HT panels:

  • Functional test (In this test we can check control wiring, power circuit wiring, Breaker Testing & loop test)
  • Relay Testing (all types of relays and power meters)
  • Meggering and hypertest.
  • Polarity Test.
  • Primary Injection Testing.
  • Secondary injection Testing.
  • Breaker contactor resistance and timing.
  • MV Drop Test
  • Knee voltage Test depends upon CT.
  • Relay coil resistance & Pickup voltage and Drop up voltage it depends upon our relay.
  • IR value for surge Arrestor.

 

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