Question: A Y-connected synchronous generator grounded through a neutral impedance (Z_{n}) with a zero-sequence impedance (Z_{g 0})____________ has zero-sequence impedance (Z_{0}=) in its zero-sequence network.

A Y-connected synchronous generator grounded through a neutral impedance $Z_{n}$ with a zero-sequence impedance $Z_{g 0}$____________ has zero-sequence impedance $Z_{0}=$ in its zero-sequence network.

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