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What is the advantage of polyphase system over single-phase system?
Wiki User
∙ 9y ago
1) less copper cross section to conduct current
2) constant power to load
3) constant rotating magnetic field
4) Ideal for Direction Reversing
5) Current is not zero at any constant..
Wiki User
∙ 9y ago
Wiki User
∙ 11y agoFor a given load, a three-phase system is around 25% less expensive than a corresponding single-phase system, in terms of the volume of copper required.
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