Answer / divakaran

WHILE THE ALTERNATOR SUBJECTED TO LOAD,OBVIOUSLY CURRENT IS DRAWN FROM ALTERNATOR TO LOAD.THERRE DUE TO FLOW OF CURRENT IN WINDING IR DROP OCCURS.HENCE LESS VOLTAGE COMPARED TO NO LOAD

how to determine kilowatts (real power) is used in energy meter? is it apparent power effect the disk rotation?

1 Answers  

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While performing load test on DC SERIES MOTOR, does the voltage decrease slightly. Why?

2 Answers  

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Ferranti Effect says that voltage at the receiving end is higher than that at the sending end. How is it possible?

4 Answers  

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Benifits of 3ph 4 wire metering over 3ph 3 wire

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WHERE CAN I GET THE PREVIOUS QUESTION PAPERS OF Govt Polytechnic in deee 2nd year papers

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why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

4 Answers  

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For which purpose the temp. rise test of transformer is conducted?

2 Answers  

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1.what is surge 2.what is lightning 3.what is switching 4.difference between surge,lightning,switching used in power system 4.definition of surgearrestor,lightningarrestor 5.adv and disadv of surgearrestor,lightningarrestor 6.uses and purpose of surgearrestorand lightning arrestor 7.block dia of surge arrestor 8.blockdiagram of lightning arrestor 9.operation and working of surge arrestor and lightning arrestor 10.basic formula of surgearrestor and lightning arrestor 11.basic diagram of surge arrestor and lightning arrestor

1 Answers   Crompton Greaves, Framo, L&T,

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if u have to run a 300kw moter then what is ur choice HT or LT switchgear & explain why?

3 Answers   Aditya Birla,

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how can we calculate the current

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Define delay time.

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what is the difference between on line & off line UPS

3 Answers  

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