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Prove that for a star connected system i) Ip = IL where Ip is the phase...

Prove that for a star connected system
i) Ip = IL

where Ip is the phase current and IL the line current.
ii) Vp = VL
√3
where Vp is the phase current and VL the line current.
b) Prove that for a delta connected system
Ip = IL/-30⁰
√3
where Ip is the phase current and IL the line current.

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