Answer / a.p.nanjappa

refer to any hand book power cable and IEC power cable
specification.

what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

0 Answers   ONGC,

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i am using star-delta connections with reverse/forward direction motion of the 75hp induction motor.What should be the ratings of Main,Delta and Star contactors and why?

1 Answers  

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what is the working principle of induction motor

2 Answers  

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how to find ratio of CT & PT in 66/11kv 12 mva supply system ? explain with calculation.

0 Answers   Adani, Mahaveer,

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What are the Full Forms of TVM, MTL, CVT ?

0 Answers  

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why transmission lines traveled in high voltage?

5 Answers   TATA,

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a 120 60 watt incandescent lamp has to be operated from 50 c/sec 1 phase ac supply. in order to do this a circuit element has to be connect in series with the lamp. which one of the following sries element is preferable.

1 Answers   SSC,

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In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

3 Answers  

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How we calculate the current carrying capacity of H.T. cabel?

0 Answers   Bhel,

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What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?

0 Answers  

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Why we are putting off the APFC(automatic power factor control) panel while the generator is running?

4 Answers   National Steel,

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what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

0 Answers   NTPC,

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