Answer / vijay balu raskar

1 phase means it carry currents by 0 degree phase shift and 3 phase means it contains 3 phases which is 120 degree apart from each other.

3 Phases carry currents equally in each phases by 120 degree apart.

Answer / sunil

1 PHASHE supply used where consumer need 230 v supply & for consumer which need 440 v supply 3 phashe used

Answer / simon peter

In india there is a system known as colour codeing. If we r dealing in 1 phase v take red wire as phase & black wire's colour as neutal.Same type of coding is done in 3 phase I.e red,yellow ,blue. They r 120°electrically different during production from alternator but the neutal wire's colour code remin sme as in 1 phase.....

Answer / guptar48

Single phase used normally for domestic purpose where we
can use sigle phase equipments and 3 phase used for
commercial where we can use 3 phase machines.

Answer / viswa

phase angle is varied by 120 degrees...
earth line is used to protect in 3 phase lines..

Answer / vipul

In a single phase system there is a one phase can used to
supply the system & in a three phase system there is three
phase(R,Y,B) can used to supply the system

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