whenever any squirrel or a crow falls on the transformer
input line then there is a big explosion and 440 volts of
power is being discharged through the neutral line due to
which appliances in off mode are also burned.we have
earthing for the transformer as well as the bus bar
chamber.why is it happening?
440 V side neutral and Tr body are connected to earth closely
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it says in neutral wire current flows under normal condition, but when we put tester it wont glow, why?
how can we run the induction motor at 9000 rpm ,by keeping frequency constant??
Why generator is not connecting in delta ..why connecting in star ?
4 Answers Bhel, Foretec Engineers,
Give details of your interested designation, the post you are interested to serve the company better and explain why you think you can serve the company better in such position if employed?
why in an electrical lab a bulb connected to supply goes off slowly when the main supply is switched off?
What does quality factor depend on in resonance?
How to calculate the transmission losses incase of overhead transmission lines?
what are the usual topology of transformers at different substations in the power system and why that particular topology is choosen. what are the limitaions of that topology?
In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????
plz tell me about for how many rating (for 500kva)how much current taken?
what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.
Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue