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IEVref:448-11-27ID:
Language:enStatus: Standard
Term: positive (sequence) component (of a three-phase system)
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Definition: one of the three symmetrical sequence components which exists in symmetrical and unsymmetrical three-phase system(s) of sinusoidal quantities and which is defined by the following complex mathematical expression:

X1 = 1/3(XL1 + aXL2 + a2XL3)

where a is the 120 degree operator, and XL1, XL2 and XL3 are the complex expressions of the phase quantities concerned, and where X denotes the system current or voltage phasors


Publication date:1995-12
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Internal notes:2017-08-29: Corrected order of <i> and <u> tags. LMO
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