Answer / mayadhar81

Ups is untruppted power supply means Power is continuous
come from this ups if your main power suppy is on or off.

And then inverter is working after power supply is
gone.then invertor is on .

Answer / dipak thumar

Inverter is a part of UPS. in inverter DC supply is fed
through Battery and Battery is continuously charged through
Rectifier circuit from AC supply. in cace of AC supply is
available, inverter gets DC from Rectifier circuit and when
AC fails, it takes from battery.

how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,

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Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

0 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.

0 Answers  

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In which connection the distribution T/F is connected? a) ▲ / Y b) Y / ▲ c) ▲ / ▲ d) Y / Y

4 Answers  

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i have need all detail above basic transformer question..

0 Answers  

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why power generate in 33 kv it will be step down by 11 kv .

5 Answers  

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What is transposition in a transmision line?

2 Answers  

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In power transformer YnD0 Vector Group is possible or not? if possible, what will be the vector diagram and what are the conditions?

2 Answers  

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different b/w counter poise and ground wire

1 Answers   L&T, TCS,

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why there is a high voltage line in multiplication of 11?i.e.- -66kv,11,kv,22kv

4 Answers   Bhel,

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what is difference between line differential and transformer differential?

0 Answers   L&T,

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why commutator are not used in rectification purpose in power electronics?

1 Answers  

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