Answer Posted / bhaganna kolkur

When fault occurs in anyone of the phase then the fault current is increases 3 to 4 times more than the normal current so it will reduces voltage at secondry side.thise will affect the system (costly equipment) so to avoid thise neutral connection is done

why ct ,cvt should be stored in a vertical position?

2627

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While performing stability test of differintial cts how to know the voltage and current on both side of the transformer?

3535

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In a Impedance Based Distance Relay (Quad Characteristics) - Could there be two different Line Angle(RCA) for Ph-Ph & Ph-Gnd? If So Kindly Let me Know.. Where, What are the advantages of the same?

1417

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What is the formula for calculating the Instantaneous Short Circuit & overcurrent for any breaker

2004

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What should be setting for alarm,tripping and cooling fan on for power transformer's oil temp. and winding temp. indicator?

1938

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What do you mean by screen of power cables?

1774

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how to find the voltage's of a transmission line plzz help with pictures i am not able to understand

1352

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What is meant by time harmonics and space harmonics?

2793

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Enlists the applications of sampled data systems?

1084

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

1463

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IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

2368

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what is the transformer turn ratio formula and give some examples?

2420

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how we arrange the hv side with delta connection in case 33/11kv of transformer.

1993

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How do we calculate the Out put voltage of generator, after the excitation is being given?

1923

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Sir, I have applied for the of Assistant.engineer of NPDCL. please send me all AP TRANSCO AND JENCO solved papers of previous exams . I requested send me the papers to my id as soon as possible (rajanikanth_peddi@yahoo.co.in) (This is very urgent) Thank You,

2898

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