why it is unable to birds to be on a 220kV 0r 132 kv lines like on 33kV and 11kV lines?

4 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

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how to calculate multiplying factor with ct ratio 400/5

1 Answers   KBPL,

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dear all, How do i increase UPS (1000VA)backup time ? i have connected 2 12v wold you please 120 aH battery externally. ups charge the lead acid battery only 12.7 volt. backup time only 10.00 minuts and gose off. can any one of you help me?

1 Answers   Technomax, ups,

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When both contractor star & delta is hold in star delta motor ?? So what happen in this case ??

1 Answers  

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i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

0 Answers   IOCL,

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In the Variable Voltage Variable Frequency Drive, how the Voltage and Frequency varied ? Is it varied in the Inverter part of the Drive ? Please give us supporting document if any.

0 Answers  

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what is the reason for using 110 volt and 60 hertz ac supply for using power distribution in America?

2 Answers   Electro Tech,

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why do we need transformers?

12 Answers  

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Which type of control system is expensive — closed loop or open loop?

1 Answers   GE,

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how many stairs have you climbed while you were coming

0 Answers   Bhel, SSB,

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what is the job description of a LOW CURRENT ELECTRCIAL ENGINEER in a industry?

1 Answers   BTAT, Powercraft, Prince Glass, Sterling,

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