Answer / a.p.nanjappa

Generally all sw yds are designed with outdoor lighting
system with normal and emergency power source.
the main reason may be security,power saving.management
decisions

Why is it preferred to use a wattmeter(s) to measure power in three phase systems rather than using a combination of other instruments e.g. voltmeters, ammeters etc?

2 Answers  

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how to calulate short circuit current for the following: 1.cable connecting 11KV of 22KV/11KV transformer to 11Kv of 11KV/415V transformer 2.what cable size should i use.

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what is formula to cal cute earth pit numbers and size of earth strip used in earthing?

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what are the application of over current relay?

2 Answers  

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr

0 Answers  

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hi how are you? i m in walchand college of engg. do you have interest in join me through email so send your email id

0 Answers  

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what are the 6 terminals of the motor plss give me in details

5 Answers   Siemens,

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Define thermal resistance in the context of power amplifier.

0 Answers  

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If the load is 10Kw and power factor has to improve from 0.5 to 0.8,how can we select the capacitor rating accordingly.Illustrate by showing formula?

9 Answers  

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Why does curving the pole faces in a dc machine contributes to a smoother dc output voltage from it?

0 Answers  

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what are effects of harmonics in the three phase a.c power system ?

2 Answers   AIIMS,

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