Hi,

It might sound stupid but i have been set this question and i cant really come up with any answers, As far as my mind works the existance of 3 phase suplies isent as thier better its cause thier essential!

THE QUESTION:
Produce a list of the main features of using a single phase and a three phase systems, for the distribution of electrical energy. From your list analyse the advantages and disadvantages for an economic point of view.



Any help would be nice!

 

ALL i have so far is:

Features
Single Phase
240V
Minimum Wires

Three Phase
240V/415V
Flexibility ΥΔ
Multiple Voltages Υ
Reliability Δ