Answer / manoj kumar gupta

you can get it in CPWD web site at link publication .then select DSR electrical

Whether cable is designed for different fault currents?

1 Answers   DAE,

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We use ungrounded DC system (220V/110V) for control and protection system in substations etc. Suppose we have long 2 core DC cables running from our DCDB in control room to the load (length of around 2 to 3 km). Do we need to protect these long DC cables from earth leakages or not? If yes how?

5 Answers   Siemens,

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what is the earthing condition between earth & phase.

3 Answers   ABB,

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Define cuttoff frequency?

0 Answers  

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what is automatic voltage regulator and it is used?

2 Answers   HAL,

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What is the basic principle of welding process?

0 Answers  

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to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????

0 Answers  

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what are the colour's and their indications in bucholz relay?

4 Answers  

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I am looking for LV CT test. To check the polarity of the CT only. Can you suggest any supplier. Different companies are offering CT/PT Tester which is expensive. Thanks

2 Answers  

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how to design step down 12 V, 1mA small transformer from 220 V AC? Because according to VI relation and power transfer it results bulky...

0 Answers  

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What is size 00, 01, 1 etc., in HRC fuse types?

0 Answers   Jaypee,

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define frequency ?

14 Answers   KPTCL,

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