WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

0 Answers  

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can you use 400 volt 3 phase and neutral and earth equipment on 440 3 phase and earth supply safely and if so how?

2 Answers   Maersk,

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Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

0 Answers  

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Why pmg used in electrical generators for excitation.is there any other method without pmg ?

1 Answers  

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IN TWO WATTMETER METHOD WE GOT W1,W2,WE KNOW V.HOW TO FIND Q????????????

7 Answers   APTransco,

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plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

0 Answers  

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How to calculate the cable size for particular load

2 Answers   Knight Frank,

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The error in a single phase energy meter where pressure coil lags behind applied voltage by 88 degrees and pf is 1) upf 2).5lag

1 Answers   GATE,

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prove that inegration of { e^z / z^2 + pi^2 }dz is equal to i/pi by Cauchy Residue Theorem.

1 Answers  

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HOW TO CALCULATE HV CABLE SIZING?

0 Answers   KNPC, L&T,

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The current though a branch in a linear network is 2A when the input voltage is 10 volts. If the voltage is reduced to 1 volt, and the polarity is reversed, what is the current flowing through the branch ?

2 Answers  

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Why Ac Systems Are Preferred Over Dc Systems?

0 Answers   ABB,

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