what is the operating time for LBB and how does the LBB
relay realise whether cb is opened or not?
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We have AC-transformer 110/13.8kv,40MVA.If DC-Voltage=110kv is applied in its primary what will happen?
Why the cores of large transformers build up of circular cross section?
why the oscillator doent need the ac voltage??how can it produce the ac voltage by applying the dc voltage only??
What is meant by shunt current?
What is routh hurwitz stability criterion?
what is slip?
tell 2 reasons for why only copper is used in domestic wires& only alluminium in transmission lines ?
what is difference between power & distrubution transformer ?
why needtwo winding LV and HV in transformer?
is harmonic useful or it distort the alternating quantity?
why we are using the ac supply in domestic purpose why don't use dc supply
How to calculate the current carrying capacity of electrical cables
16 Answers Barqaab, Grasim, Havells, HM Cables, Janapriya, Polycab,