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.

Why is our voltage always seems to be 3.3Kv,11Kv,66Kvetc.. why not 40Kv,39Kv,65Kv???

3 Answers  

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Why 3 phase induction motor getting supply in body if one of it's phase is cut

0 Answers  

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what is the function of statics switch in ups and tell me parts

0 Answers   Dalkia,

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How to calculate the copper in HT motors if KW, RPM & Voltage is given

0 Answers   Control Dynamics, NTPC,

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what is the function of Droop CT and where it is used?

3 Answers   Lanco,

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what is the effect of power factor to (a) voltage (b) transformers (c) generators (d)transmission lines

4 Answers  

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How to calculate the actual 3phase power, if the load current of each phase is not balanced

2 Answers  

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How to calculate the cable size for particular load

2 Answers   Knight Frank,

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STATE AND EXPLAIN SUPER POSITION THEOREM.

3 Answers   ABB,

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Why delta star trformers are used for lighting loads?

0 Answers  

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How transformer winding & oil gets heat.

3 Answers  

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How to check the cable fault / hv test of transformer cable.

0 Answers   KSEB, L&T, Siemens,

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