The positive, negative and zero sequence impedances of a three phase generator are

Q. The positive, negative and zero sequence impedances of a three phase generator are ๐‘1, ๐‘2 and ๐‘0 respectively. For a line-to-line fault with fault impedance ๐‘๐‘“, the fault current is ๐ผ๐‘“1 = ๐‘˜๐ผ๐‘“, where ๐ผ๐‘“ is the fault current with zero fault impedance. The relation between ๐‘๐‘“ and ๐‘˜ is

Ans: Option A

Sol:

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