Answer / k.prakashchandra

Large gens have field as rotor and field supply is given
with the help of collector rings (slip ring) and carbon
brushes from shaft mounted DC exciter or external excitation
panel .In case of brushless, DC excitation supply is given
directly from shaft mounted armature of the AC exciter
through the rectifiers.Its field is controlled from outside.

what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

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i have total 8 dg sets for synchronizing and 2 buscoupler,1 sectoin dg no 1,2,3,and 2 sectoin dg no 4,5,6,and last section dg no 7,8 ....if buscupler no 1 and 2 is off mode ..than dg no 1,2,3,will synchroniz of another dg sets?

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TYPES OF TEMPERING OF ENERGY METER

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What are the types of relay ?

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