Answer / k.prakashchandra

charging time =4/3 hours /efficiency.back up time 4/load in
amps .hours.

What is the difference between KW & KVA ?

9 Answers  

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Is it possible to obtain 480v or 550v in single phase output by giving the input to 230v to a single phase torodial type transformer without using a stepup transformer?

0 Answers  

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WHAT IS THE DIFFRENCE BETWEEN EARTHED AND UNEARTHED CABLE (XLPE)?

6 Answers   Essar,

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What is differance between Slip ring motor and Squirrel cage Motor ?

2 Answers  

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When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?

1 Answers  

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plz tell me the potential difference between phase and netrul

2 Answers   CGL,

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if we want to increase the back up time of an UPS what should we do ? if we want to decrease the charging time of a battery/batteries attached with the UPS what should we do ?

6 Answers  

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Why the generator rating in kva

32 Answers   CompuCom, DLF, Genpact, HNG, SIPM,

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As we know multiplicity factor derivation equation is as below MF = main c t ratio / main p t ratio * meter c t ratio / meter p t ratio * meter dial constant Where in digital meters for HT kwh import export now a days meter constant are calibrated already which is 1 So my question is For HT 11kv 110 v line values are as below Main c t and p t ratio are 11000 v and 110 v and 20/5 means 20 amp and 5 amp Now meter values are 11000/√3/110√3 and primary and secondary amp are displayed as -/5 amp on kwh meter so what will be the MF for this meter ?

1 Answers   NEPC,

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I have a one P.F meter in my factory showing 2 phase leading and one phase lagging then what is my actual P.F.

1 Answers  

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By just seeing a transmission tower, how can we knew the voltage it carries..?[110kv, 220kv, 400kv...]???

5 Answers   KSEB,

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why it is in star to delta form of Synchrounus generator and delta to star form of Generator Transformer (or step up transformer)

1 Answers  

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