Answer Posted / nidhi

star delta .
because in star star connection solidal grounding should be
provided to ground third harmonics. in star delta whenever
afault will occur then it will circulate only in this delta
not go to the output

Draw transformer phasor diagram.(full load,no load)

4154

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HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS

1851

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i have been tasked with a design of protection, metering and control(PMC) relay panel extension to accommodate all PMC relays.There is an already existing panel where this one will be built.What are the design aspects for this kind of project? thank you.

2102

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There is any especial requirement for motor to drive through with VFD?

2582

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

1912

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Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

2093

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What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

2312

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I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1929

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If VFD is On but no starting commond on it. so how many outpout voltages of VFD

1138

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EXPLAIN METOD OF IMAGE OF TRANSMISSION LINE/ WHAT ARE ITS PRACTICAL APPLICATION?

1866

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Sir 33kva 2 transformer load 900 amp calc 1800 amp mana jayega

1814

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Cb closed condition if there is a tcs fail whether cb will trip or not

1810

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How to use earthing on shipments.

1422

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How to find out damper winding failure for synchronous machine?

1483

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2382

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