NEW CONCEPT FOR MEDIUM VOLTAGE GAS INSULATED SWITCHGEAR

摘要

This paper describes a new series of medium voltage gas insulated switchgear. It was introduced to the market in 1995 and is, just as the vacuum circuit breaker which it uses, designed to be maintenance-free for its lifetime. Its use will increase the reliability, simplify and reduce the costs of operation in public and industrial networks. This new series, type 8DC, is available with single busbars for rated voltages up to 24 kV, short circuit interruption currents up to 25 kA and rated currents up to 1250 A. All the most common circuit arrangements are provided. Its operation demands no particular expertise or abmormal procedures.