i need online ups battery calculater

1 Answers  

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What should be cable size for 75KVA 380/220 3ph transformer

3 Answers  

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calculate multiplication factor of a trivector meter with line ct ratio 200/5A, line PT ratio 11000/110V and meter CT ratio 200/1A and meter pt Ratio 11000/110V.

4 Answers  

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how much earthings are provided for 22KV HT Metering Kiosk

1 Answers   GE, Gionee, Knight Frank, TATA, Vacmet,

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why single CT used in DOL starter power circuit?

0 Answers  

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what is the relation between the size of the machine and the frequency? (when the frequency increases the size of machine will increase,why?)

2 Answers  

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what are the analog quality input for protection function?what are minimum reqiments?

0 Answers  

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Whot is the braking capacity for MCCB. How we select different braking capacity.

1 Answers  

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Main CT ration is 400/5, meter CT ratio is open type: -/5A. What is the Multiplying factor of the meter, considering same PT ratio.

1 Answers  

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Who is reputed manufacturer of TNC switch for ACB in India ?

3 Answers  

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How to calculate cable size between battery charger to Battery ?

2 Answers   L&T,

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What is the Minimum winding resistance of motors ( small & big)? referance range

0 Answers   TATA,

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