Answer Posted / sourav

ht cable connected with ht cricuit breaker(sf6)& LT cable
connected with ACB OR any other LT device.

Is there any standard guidelines/Criteria to design NGR/NGT.?

2788

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What are your future plans for the company if permanently employed?

2114

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what is your majour contributions in your present job

1751

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Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1807

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is IS says that neutral should be brought to switch box. and this one is a recomended practice

1814

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Define demand factor?

1044

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Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

2351

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DIFFERENCE BETWEEN NORMAL TRAFO AND THRISTER TRAFO?

2559

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WHAT CAUSED THRESHOLD VOLTAGE TO EXIST?

4001

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how to calculate vfd o/p voltage by frequency

2113

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7- What is the Dissipation Factor and the difference between it and Insulation Resistance Test? 8- What is the task (function) of DC and AC reactors in power plant? 9- What is the task (function) of (open delta with earthed) in some types in transformers? 10- What is the base of the selection of the vector group in transformers? 11- What is the zig-zag transformer and its function by drawing in large detail? 12- What is the polarity ? 13- Why we make short between phase(R) in high side and phase (r) in low side in vector group test? Where High Side ( R ,S and T ) and Low Side ( r ,s and t ). 14- What are the time on delay and time off delay? 15- What is the vector group? 15- What is the task (function) of different types of vector group such as Dyn11 , Dd0 , YNd1,……..,?

2219

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Whether power factor should be high or low? Why?

1067

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What is dc current source? Differentiate between ideal and non ideal current sources?

1387

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Please define ohm’s law for a.c (alternating current)?

1024

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What happens if the series current double?

1428

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