Answer Posted / k.prakashchandra

The above answer is applicable to LT gens connected to bus
bar directly without tr and diff relays.

how to define tell me about self

1991

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I HAVE A 50A MCCB AS PER DESIGN LINE WIRE CONNECT UPWORD SIDE AND LOAD IS CONNECTED TO DOWNWARD SIDE TO THE MCCB.IF NOW ANY ONE CHANGE SUPPLY & LOAD(WISEVERSA) WHAT HAPPENS ? DOES MCCB OPERATION OR WORKING FUNCTION NORMAL IF YES THAN WHY THERE ARE MARKED LINE & LOAD ON MCCB.

2374

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hello if any one have papers vof hpcl or sail, plz send me

1916

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WHAT SHOULD BE THE BEST CURRENT RATINGS (PRIMARY / SECONDARY)FOR A CT INSTALLED AT THE INCOMING 11KV PANE? WILL IT BE CALCULATED ON THE BASES OF MAXIMUM DEMANT VALUE OR ON SUM OF ALL TRANSFORMER'S KVA? NOMALLY MAX DEMAND REPRESENT THE MAXIMUM OPERATING LOAD OF THE PLANT AND TOTAL KVA OF (SAY 5 NUMBERS TRANSFORMERS) REPRESENT THE CONNECTED LOAD. WHICH i.e. MAX DEMAND KVA OR CONNECTED KVA ARE BETTER TO USE FOR CT CURRENT CALCULATION? PLEASE ANSWER.

1906

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What do you mean by the zone of protection?

1088

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what exactly commisioning work does in electrical site work... LT side?..

1933

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how indusrial diesel generator work

1909

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what is the minimum requirement gigaohms for the insulation test using 5kv in 300mm xlpe cable

1974

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Explain what are inter-poles and why they are required in a dc machine.

1081

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What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

2139

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Draw a block diagramof Three UPS systems connected in Parallel mode?

2150

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How to decide whether A / B / C / D curve type MCB should be used?

2283

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please send me privious exam's queation papers of section engineer(electrical).

2052

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Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

1097

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what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

1608

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