Answer / s raghavendra

generally ups , transformers are rated in kva because the manufacturer donot know at what power factor these are used....................so he places kva rating and depending on power factor we calculate kw and kvar consumption of that devices...................................................

Answer / raju jeyaprakash

All Passive electrical equipment should be noted in kVA For
Example - Transformer, Diesel Generator, Stabilizers and UPS
etc., What is meant by passive equipment? There is no
conversion of energy.

what is the use of capacitor in online ups?

6 Answers   Emerson, ups,

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25 kvar capacitor , how much current ? For 25 KVAR--Capacitor I = ?

3 Answers  

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what is an impedance & inductance ?

4 Answers  

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what is the acb tripping & closing voltage.

2 Answers  

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Load break swicth maintenance procedure.

0 Answers   KSEB, L&T, Siemens,

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Why 50hz and 60hz frequencies are used by the world, why they are not taking 55hz?

3 Answers  

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railway exam in asst loco pilot old test paper

25 Answers   Indian Railways, Loco Pilot, RRB, Southern Railways, TATA, Vimal,

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The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

0 Answers  

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what are the methods of speed control of dc motor???

4 Answers  

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What is the power rate of power transformer?

1 Answers  

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what is rated speed?

4 Answers   Actavis,

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what is synchronizing panel & its working.

3 Answers  

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