27.02.2011

EGU - HV Laboratory a.s. will participace on Produkt and Technology Exhibition organised during INMR World Congress on Insulators, Arresters, Bushings & Cable Addessories in Seoul, Korea on April 17 - 20, 2011.

We are looking forward to see you in our booth No. 38.

27.02.2011
ACTI fundation ratification

ACTI fundation ratification

In Octorber 2010 the Association of Czech Testing Institutes (ACTI) has been founded. The association is a voluntary, nongovernmental, non-profit association of legal entities engaged in testing of heavy current and high voltage apparatus and devices for transmission and distribution of electric energy. …»

Diagnostic of HV equipment

Partial discharge measurements on power transformers (off-line)
  • nuclear power plant Dukovany - every year periodic measurement on 8 transformers
  • measurements on large power autotransformers in substations 420 and 220 kV of CEPS
On-line partial discharge measurements of surge arresters and instrument transformers
  • current transformers
  • circuit breaker
  • lightning gap arresters
Circuit breaker (220kV, 420kV) insulation diagnostic - overvoltage test
  • detection of overstrikes
  • detection of pre-strikes
Other diagnosticl methods
  • diagnostic of capacitive voltage transformers