Surge Arresters and Surge Capacitors
Surge Arresters and Surge Capacitors
(OP)
Hi all,
In most generator installations, we can see that both surge arresters and surge capacitors had been installed. Could any body throw some light about the application of these two different equipment in generator installations? (Any text book or IEEE technical paper to read?)
Thanks in advance
Kiri
In most generator installations, we can see that both surge arresters and surge capacitors had been installed. Could any body throw some light about the application of these two different equipment in generator installations? (Any text book or IEEE technical paper to read?)
Thanks in advance
Kiri






RE: Surge Arresters and Surge Capacitors
Please see attached link.
thread238-192962: Capacitor used in Generator circuit breakers compartment
Regards.
Slava
RE: Surge Arresters and Surge Capacitors
Surge Arrestor: Reduces the amplitude of the surge
Surge capacitor: Increase the slope (dv/dt)and frequency of the switching surge. Causes less surge impact on end connections of winding.
RE: Surge Arresters and Surge Capacitors
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A simplify criteria to provide Surge protection is suggested as follow:
_ For any surges of either magnitude or rise time above the curve, wave-sloping capacitor should be provided.
_ If transient voltage above 1/3 level will be present, surge arrester should be provided.
Beware that for small unit the cost of surge arrester and capacitor will be difficult to justified.
RE: Surge Arresters and Surge Capacitors