THE Electrical Research Association has recently reported an interesting development which has taken place in connexion with its programme of research on gas blast circuit breakers. Normally the ...

Zensol has introduced a new instrument, the CBV-8, totally dedicated to vibration measurements on HV circuit breakers. The CBV-8 uses a new method of vibration analysis developed by Hydro-Québec and ...

One characteristic of adding PV solar to homes is a massive increase in high-voltage and high-current DC installations. With this comes a need for suitable breakers, but without the requisite ...

DURING the last ten years, owing to the increase in the size of electrical power generating stations and of the machines they employ, together with the greatly increased voltages used for distribution ...