what is the role and fuction of automatic transfer switch in
rotary ups
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sir, Two different rating of generator going to connect parallel, can it set same DROOP or different. Why? Please explain
what is meant by trip circuit supervision & directional or non directional over current ?
What is PLL? what are it's advantages?
what is the last range of mccb in amp?
What shocks us , Current or voltage?
why field winding in synchronous machine connecting in star position?
Why the steam turbines are run at high speed where as the hydro turbines are run at low speed?
why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently
what is feeder?
reason behind why the reverse power relay of incoming machine was not acted even when no load was shifted on incoming machine after synchronising the machines ?
Why PS class CT is always preferred for Differential protection?
Why the transformers are rated in KVA ? in new view
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