what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

16 Answers   JEE Main, ONGC, VRA,

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at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

0 Answers   Ebrahim Textile, Siemens,

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What is the exact minimum vale of voltage between an earth and netural which can damage or can do malfunction of the electronic equipments ? If this is mentioned in any book, pl.give reference.

0 Answers   Bhushan Power Steel,

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DEAR ALL I have motors ( 10 units )each one is 90kw 380V 50 HZ 1000rpm but new local pwer is 220v 60 hz requierd rpm should be 1000 pleas what the beast solution is used frequncy converter or rewinding all motos or chang all motors thanks

6 Answers   GE,

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What is Magnetic Current Test of Transformer.

2 Answers  

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Does Lightening arrest requires Earthing?..

5 Answers  

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Why do u join toreent power ?

1 Answers  

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how can we find CT coil not working ?

7 Answers  

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if earthing is used in place of neutral how the circuit completd.

7 Answers   Epitome,

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how to connect generators in parallel and what are the required equipment to do so?

2 Answers   MSEB,

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a governer in an Ic engine controls the

0 Answers   Caterpillar,

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Define the term factor of inertia.

0 Answers  

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