Answer / bvyankatesh

Dc means single polarity supply, when dc supply is given battery is charged with positive polarity only and on application of loaddstorage energy in battery will discharge. tut if there is a.c. supply is given then after each half cycle polarity of supply get reverse it lead to maintain stored energy's in battery is zero.

hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

0 Answers  

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if AVR fails in alternator. what will be the effect.

13 Answers   HP,

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what is difference between co-generation and captive power plant?

3 Answers   TATA,

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if z transform lies in ROC then. a)system is stable b)inverse of system is stable c)both system and its inverse are stable.

1 Answers   CCP,

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What is working Priniciple of TVSS ????

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what is method of dc current measurement

5 Answers  

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why we use lamination or layer by layer cor used?

4 Answers  

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If single phase voltage level is 230V than why three phase voltage level is not 660V ?, but it is only 440V.

16 Answers   BSNL, DOS, EFS, HMT, L&T, TCS, ThyssenKrupp,

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If a line which is drawing approximatly 2100amps what should be earthing streep size(using galwanize streep)?

2 Answers  

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What will happen if the field of synchronous generator is removed when it is in operation with no load?

3 Answers   HJ, UPPCL,

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Sparking occur when a load is switched off because the circuit has high – a.) Inductance b.) Capacitance c.) Resistance d.) None

3 Answers   Ecil,

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What are the saftey parameters in transformers?

2 Answers  

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