what is a lightning arrester???

12 Answers   ABB, NTPC,

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How to checking sld drawingas and control drawings

1 Answers  

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what is the purpose of the armored for the power Or control cable? How to select the type of the armored?

1 Answers   Siemens,

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hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

0 Answers  

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what is mean by harmonics?Type of harmonics?

6 Answers  

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what is the difference between 3 phase 3wire &3phase 4 wire meter?what is the advantage of 3p3w over 3p4w?

1 Answers   L&T, MahaDiscom,

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What is formula calculation size cable wire ?

0 Answers  

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Why we are using LA Rating 10kA in 66 kv substation

1 Answers   L&T, NMDC,

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why most of the induction are delta connected?

6 Answers  

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

2 Answers  

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The mechanical angle is electrical angle A always less than B greater than or equal to C equal to D less than or eaual to

1 Answers  

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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