Insulators testing

intro
Wet switching impulse testing
Tension setup – polymeric long rods

EGU – HV Laboratory a.s. has a long term experience in insulators testing. The company participated in development of transmission and distribution systems in former Czechoslovakia. Nowadays providing accredited testing mainly on a commercial basis for customers from all over the world.

Test objects

  • Long rod / post insulators,
  • Porcelain, glass, polymeric
  • Insulator sets - suspension, tension, window
  • simulation, other special setups

Tests

  • Dry / Wet power-frequency voltage testing up to 1200 kV
  • Dry lightning impulse voltage testing up to 2600 kV
  • Wet switching impulse voltage testing up to 1600 kV
  • Radio Interference Voltage (RIV) testing up to 600 kV
  • Mechanical testing up to 600 kN
  • Thermal-mechanical testing
  • Thermal-shock testing
  • Puncture testing
  • Power arc testing done at a high power laboratory ZKU, Prague

Standards

  • IEC, ANSI, IEEE, AS, CAN

Major clients

  • Allied, Argillon, Dalekovod, Dervaux, Dulhunty, EB Rebosio, LAPP Insulators, MacLean, National Grid UK, Pfi sterer / Sefag, PPC / Seves, Sediver, TE Connectivity