Answer / sheikh

kvah means kilo volt ampere hour and kvarh means kilo volt ampere reactive hours
which represent to reactive power. which may consumed in your circuit
power factor defined by difference of these two readings. like apparent power and re active power.

Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

0 Answers  

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if AVR fails in alternator. what will be the effect.

13 Answers   HP,

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

0 Answers  

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Why field resistance is greater than the armature resistance in dc mechine

1 Answers   Cape Peninsula University of Technology,

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how to calculate neutrel current

2 Answers  

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What is boost transformer in railway??

2 Answers  

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How to calculate D.C load current?

3 Answers  

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How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

0 Answers   ABB,

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Write down the classification of the transmission line?

1 Answers  

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how to find the transformer neutral copper earthing size 

1 Answers  

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my UPS is 600VA with 0.6 p.f and i use it for my computer which has 450W power supply unit, a monitor of 633nW and speakers. Can any one explain this.. because the output of UPS should be 360W (<450W)

2 Answers  

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Size of the power cable like 1.5,2.5,4 sq.mm which area calculated from whick area or how specified the size?

1 Answers   MRF,

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