differentiate between 1 phase and 3 phase in all possible ways

Question

differentiate between 1 phase and 3 phase  in all possible ways

rane · Answer

For a simple description single phase = 1 hot and one neutral, three phase = 3  
hots and one neutral. Three phase service on its own does not have a neutral line. The voltage difference is measured between the phases. (No voltage can be measured between any of the phase lines and a neutral because there is no neutral line.) Any electrical equipment which uses a 3-phase service exactly as it is delivered by the power generator / utility - that is, without a neutral line - are connected in what is known as "delta" connection. If you want to use just a single phase service then one way to do it is to connect the incoming three phases to a transformer whose secondary windings are connected in what is called a "star" (also known as a "Y" or "wye") configuration which has a 
neutral point at the center of the "star" or "Y". Then, for a single-phase service, you can use just one phase and the neutral. This results in about half the voltage - actually it's 1 / 2./'3 (1 divided by the square root of three) -

rane · Answer

hope it helps :)

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koikkara · Answer

Hai Sweet Friend, WeLcoMe to OpeN stuDy.. !!

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