Answer / engineering.force

nothing much, only the phase sequence delay is 120 degrees
among the three phases. other wise the magnitude is the
same. to differentiate the phases, we name them, just like
our parents name us.

what is the function of choke in the flourcent tube lights and why the colour is in white mostly in flourcent tube lights

0 Answers  

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explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??

1 Answers  

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One 15kw motor Why we used star delta feeder?why not used DOL please explain in details

3 Answers   BMM Ispat, GSK, Pitti Laminations,

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I have 725KVA DG set how to Calculate the Ratio of KWH? Whatb is the Formila

7 Answers   HCL,

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what is the diffrence between capasitor and battery?

2 Answers  

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why motor rating in KW?

2 Answers  

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why do we generate sinusoidal ac?can we generate some other waveforms by alternators?

11 Answers   Siemens,

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i applied for the ap transco please forward the freqventley asked QA

0 Answers  

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how will be the capacitance generated in a earthed wire???

1 Answers  

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what is the difference between online and offline UPS?

4 Answers   Prestige,

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standard earthing rating for power line..

0 Answers  

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Recently we had experienced following problem All RCCB breakers (connected to the load as well as spares) connected to various UPS systems at various floors at a high rise building tripped during a power break down and upon starting up of generator.This Generator is recently inducted into the installation. Can any one explain the reason behind this tripping. Regards Viswanathan

1 Answers  

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