HKIE Professional Assessment - Electrical Discipline Practice Questions - HKIE Professional Assessment - Electrical Discipline (Hong Kong Institution Of Engineers) Exam

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According to Fortescue's theorem, an unbalanced three-phase power system can be resolved into three symmetrical components. Which sequence component is characterized by equal phase magnitudes rotating in the reverse phase sequence (L1-L3-L2)?

Negative sequence component (I_2) Positive sequence component (I_1) Zero sequence component (I_0) Direct current offset component (I_dc)

Correct Answer:

Negative sequence component (I_2)

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