JSTC member laboratories can test as below.

Making and breaking tests of switchgears

  • Short-circuit tests
  • Short-line fault tests
  • Out-of-Phase tests
  • Single-phase and double-earth fault tests
  • Mainly active load current switching tests
  • Capacitive current switching tests
  • Electrostatically induced current switching tests
  • Bus-transfer current switching tests
  • Inductive current switching tests
  • DC short-circuit tests

High-power tests excluding above-mentioned tests

  • Short-time withstand current and peak withstand current tests
  • Arc tests
  • Critical current short-circuit tests
  • Operating duty tests
  • Short-circuit tests (transformer, CT, PT, cable, reactor etc.)
  • Trapped charge discharge tests
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