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IZOELEKTRO

HV LABORATORY

TEST PROTOCOLS

LV surge arresters
Standard IEC 61643-1

  • Measuring of the residual voltage with 8/20 µs current impulses
  • Operating duty test
  • Test of thermal stability of SPDs
  • Dielectric withstand

MV surge arresters
Standard IEC 60099-4

  • Insulation withstand test on the arrester housing
  • Residual voltage tests
  • Long-duration current impulse withstand test
  • Operating duty test
  • Accelerated ageing test
  • Routine testing

Standard IEC 60099-5

  • Measurement of the resistive leakage current

Tension composite insulators
Standard IEC 61109

  • Dry lightning impulse withstand voltage test
  • Wet power frequency voltage test
  • Mechanical load-time tests

Line post composite insulators
Standard IEC 61952

  • Dry lightning impulse withstand voltage test
  • Wet power frequency voltage test
  • Mechanical tests

More information: catalogue (pages from 95 to 97)