What is the tipical Online UPS input voltage for 20 KVA load ( 3 Phase or 1 Phase )? Why ? Explain it...?

0 Answers  

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why burdens of VTs is more than CTs?

0 Answers  

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What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

3 Answers   Areva,

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The neutral&earth voltage is 0v.But we were connected the lighting load at the time ballast was failed.why?

1 Answers  

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Why don't we provide SURGE ARRESTORS for Transformer feeders?

5 Answers  

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what happen if one of 3-phase line has a much higher load when we are using delta to star transformer? how we can over-come from that?

2 Answers   Getco,

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Hi All, I am working as a Technical executive in a MNC company and we have 1500KVA & 1250KVA T/F in our site, can you help me that how many maintenance tests can be conducted and what are the procedures included for the tests can you share yours answers and also give any web address to get more information on this

5 Answers   Hyundai,

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WHAT TYPE OF DC MOTOR IS USING FOR ELECTRIC TRAIN ?HOW ITS FUNCTIONING ?

2 Answers  

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Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

0 Answers   ABB,

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what is the difference between cable routing and scheduling?

4 Answers   Techno Labs,

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what is meant by oil filled power & distrubution transformer ? if anybody know the link of detail about above transformers means plz send it i have interview on this week ? plz help me

3 Answers  

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what is the difference between inductive load and capacitive load?give me some examples in general

3 Answers  

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