Answer / sumit b

P=VI Cos¢ (single phase)
P=√3 VI Cos¢ (three phase)

Answer / v.venkata ramana

L.V cable selection is Al cable 1sqmm carry 3amps
Cu cable 1sqmm carry 6amps

Why generally the Rating of Transformers are in additions of 11 i.e. 11 kVA, 22 kVa, 33 kVA, etc........

8 Answers  

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what is the abbreviation of MIMIC regarding control and relay panels of power systems????

1 Answers   Enercon,

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difference between main metering kiosk and check metering kiosk

0 Answers  

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what is second harmonic, how is effect transformer ?.

2 Answers   DEWA,

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what a function diesel generetaor turbo charger & turbo charger is more heated explain reason ?

0 Answers  

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What are the safeties in elevators?what is the use of governor in elevator?

3 Answers   JLL,

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why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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Usually in the L & T make MCC feeders' power circuit,we have BMR after the MAIN CONTACTOR.,can we interchange their position, keeping the control logic same???

0 Answers  

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Main CT ration is 400/5, meter CT ratio is open type: -/5A. What is the Multiplying factor of the meter, considering same PT ratio.

1 Answers  

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what is difference between RCB,RCCB &RCBO?

3 Answers   ABB,

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What is George phenomena to start the synchronus machine?

0 Answers  

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Why cannot we insulate HT over head cable to avoid ionization of air around the HT Cable?..By this we can minimise corona loss also..

1 Answers  

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