Use of surge capacitors in a power house while using vaccum cicuit breaker?
On the name plate of a 2.7 MW Alternator it read that " In case of Vaccum Circuit breaker use surge protective equipment" . So we are using Surge Capacitors.. but guys what is the need? please explain... the capacitors are used between line to earth. And also we are using Lightning arresstor of 7.2 KV line to earth. the Generation of Alternator is 6.6 KV and capacitor rating is also 6.6 kv. but how does that relate to the use of vaccum circuit breakers
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