Answer / abhishek

sparking will take place

Answer / anirudha kumar

spark will produce

I have tow 200 KVA UPS, both are in parallel mode.My question is that, both are running on battery when power fail, if one of them fail (Eg rectifire fails or some other reason), at thet time reverse power will come to faild ups if it comes then it will harm to failed ups or not? if not then how it protects to faied ups????????????????

1 Answers  

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why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

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What is bridge rectifier and explain with details

0 Answers  

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In pakistan appliances work on 220v at 50hz and in us appliances work on 110v at 60hz what is basic theory to explain it

1 Answers   SNGPL,

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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

0 Answers  

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what is difference between ELCB, RCBO & MCB

2 Answers  

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Wtat is mean by GHOAST VOLTAGE?

3 Answers  

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Explain UPS

1 Answers   Powerica,

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What is Class and accuracy in CTs? Types of Classes and important of Classes?

2 Answers  

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What is the difference between Floot charge and Trickle Charge.

1 Answers   Torrent Power,

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what are the available sizes of pin type terminal lugs in the market today?

0 Answers  

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IF we have 500kva transformer & know the current on HT & LT side, how can we consider for its breaker?

5 Answers  

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