Answer / nvnkmr

All home appliances work with some range of voltages. if the dropped voltage or rised voltage falls within the range, the equipment operates normally. if the voltage crosses the range equipment operates abnormally.

if we convert kw into kva,which one formula use by us,pls tell me?

19 Answers   ABB, AEC, BGH,

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if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !

1 Answers  

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can we use NPT glands in LT panel

0 Answers  

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Why starters are using the machines???

5 Answers   Alstom,

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what is the different between Switch & Circuit Breaker?

9 Answers  

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what is the minning of propotional, integral, derivative ?

1 Answers  

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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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What is relation between mu(nought) and epsilon(nought)?

0 Answers  

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Briefly describe three methods that are usually used by electricity suppliers to control voltage levels?

0 Answers  

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Hi Recently I got one formula that is Impedence of Xformer = Rated KVA/Root 3 * secondry voltage OF Xformer. Is it Right??????

2 Answers  

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What is the meaning of maximum demand

21 Answers   MN Dastur,

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What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.

1 Answers   Siemens,

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