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.

Why CT secondary should not be kept open?

7 Answers   Anna University,

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How i can select current transformer and meters for the upgrading the panal..for 200kw to 600kw....i need to select monitoring and protection ct,s and apmpire meter ,kw meter too.

1 Answers  

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why secondary of c.t. will kept open ?

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how to estimate wiring ins roughing ins. and boxes

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A T-T transformer can not be parallel with transformer A V-V B star-delta C star-star D delta-delta

1 Answers  

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what is difference between line differential and transformer differential?

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Which type of gas used in cylinder (VCB)?????

15 Answers   ICSA,

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which one is more costly:single phase induction motor or 3 phase induction motor??give proper reasons..

1 Answers  

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How RTCC panel is working and give single line diagram for RTCC with transformer?

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how is the incoming cable size calculated for a given current rating of a panel??

0 Answers  

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Tell me the reason of connecting domestic t/f primary in star or delta,and also secondary side.

0 Answers  

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how to connect generators in parallel and what are the required equipment to do so?

2 Answers   MSEB,

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