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What are positive, negative & zero sequence impedance?

February 5, 2018 by Sashi

DWQA Questions › Category: (EE) Power System › What are positive, negative & zero sequence impedance?
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Sashi asked 6 years ago
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How Engineering Works Staff answered 6 years ago

Positive Sequence Impedance
The impedance offered by the system to the flow of positive sequence current is called positive sequence impedance.

Negative Sequence Impedance
The impedance offered by the system to the flow of negative sequence current is called negative sequence impedance.

Zero Sequence Impedance
The impedance offered by the system to the flow of zero sequence current is known as zero sequence impedance.

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How Engineering Works Staff answered 6 years ago

Positive sequence component :- It specifies that the current is flowing through source to load.

Negative sequence component:- It specifies that current is flowing from load to source.

Zero sequence component :- It specifies that current is flowing from source to ground.

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