Basic philosophy of applying 3P tripping for uptill 132KV switchyards & for 132KV & above 1P/3P tripping is used.

1 Answers   L&T,

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10 tube light connect in mcb breaker.one tube light is fault.so breaker is tribe.how fault is rectified.(using 3wire phase,earth,neutral)

0 Answers   CTS, Jindal,

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what could be the possible reasons for copper cable to have low insualation?

1 Answers  

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what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 Answers   ABB,

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what is the calculation of power factor?

4 Answers   GATE,

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why ELCB's are not useful for operation theater equipments ?

4 Answers   Reliance,

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How to write a progrramme to turn ON and turn OFF a motor with a single push button in AB?

2 Answers   HCL, Torrent Pharma,

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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how to calculate current carrying capacity in power cable?

1 Answers  

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How many methods to take IR value of Current Transformer?

1 Answers  

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Why does a TV set have two pin plug whereas the moniter of a computer has three pin plug? Isn't the earthing protection required for the TV set

2 Answers  

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Work done in a free expansion process is

0 Answers   Caterpillar,

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