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Motor Seq Currents Use

Motor Seq Currents Use

Motor Seq Currents Use

(OP)
I was going through ETAP Help Files which states,

X0

Zero sequence reactance in percent (machine base); used for calculating short-circuit currents for unbalanced faults.

X2

Negative sequence reactance in percent (machine base); used for harmonic analysis.

Is it right?
 

RE: Motor Seq Currents Use

X2 is needed for unbalanced faults. X0 is needed for unbalanced faults with a connection to earth. See some book in power system analysis.

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