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How to calculate the size of earth cable to earth the neutral of UPS ?
How many Zones can be in Conventional type fire alarm system & how can we detect the fire in Conv. type FAS?
Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.
If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?
can u give me a brief idea about power line carrier communication ??
for what purpose the star point is done in ct
how to measure the transformer resistance values(dyn11)?and howmuch the minimum value?
what are the problems that generally occur in power flows??
Why is the starting current high in dc motor?
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?
What is different between Circuit breaker and Isolater?
how does an encoder work???
What is the difference between alternator and generator?
Igfet is a
can we use trip light with bus coupler?