Answer / ashok

A single phase power supply has two "hot" legs or conductors which have a sine wave that are 180 degrees apart.
A three phase power supply has three "hot" conductors which have a sine wave that are 120 degrees apart.

Answer / nancy

In 3 phase,there are 3 wires from line and neutral but in 2
phase only two live wire are there

Answer / lovkush rastogi

A single phase has no neutral point but A three phase has neutral point,
so,that causes a single phase indutoin motor doesn't self start & A/C to the three phase wireing of domestic houses in three phases.

Differentiate between Zero and Negative sequence current

0 Answers  

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can we run all LT motors at 360 volts which are normally rated 415+/-10% voltage rating

2 Answers   Meinhardt,

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what is the similarity and difference between ups and inverter?

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During the transients in alternator,the mechanical power input remains almost constant while the electrical power output changes significantly.Why?

1 Answers  

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How equivalent impedance is calculated in thevenin theorem?

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why the generating voltage in India is 11kV or why is it be transmitted as multiples of 11

34 Answers   ACC, Bhel, ECI Engineering and Construction, NTPC, SBL, Senthur Power Services,

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if dc is better then ac...then why we are perfering ac over dc?eg:at home?

2 Answers  

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Can we provide 3phase wire in conduit for room?

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what is the first step of dg shycroning ?

2 Answers   ABB,

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What is Anemometer used to measure?

0 Answers   Blue Star,

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