how many load we can take for lighting

0 Answers   ABB,

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phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

3 Answers   Areva, Kim Yew,

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what's the reson that,Load is not same on VFD I/P and O/P Side.whenever DOL condition load is same I/P and O/P side.

1 Answers  

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what is use of substation? Any book on how to instal or construction of substations?

6 Answers   Siemens,

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Apparent power is expressed as V * I(Conjugate). Why not in V * I ?

0 Answers  

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what is the value of the earth resistance in mositure place

3 Answers   HCL,

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What is battery Amphere-hour? How the battery back up time period is calculated?

2 Answers  

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WHY WE CAN GENERATE POWER IN 3PHASE MODE ONLY NOT IN 4 OR 5 PHASE?

8 Answers  

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what is the CT of protection and CT of metering ? what is class 5P10 & 5P20 and class PS ?

16 Answers   JEE Main, ONGC, VRA,

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What type of motor is used inside computer CPU.

11 Answers   Bhel, TCS,

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A simple Question from all.... If Voltage drops then its rated value what will be effect on a Residential load? similarly if voltage rises from its rated value then what will be effects on a load? i know if voltage drops the equipment or device draws more current then its rated what are other reasons ? thanks in advance for ur time.......

1 Answers  

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Is voltage & potential transformer are the same? Are they used for same application ?

11 Answers  

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