Title:
1-s2.0-S0960148111005994-main_3
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Description: This paper presents harmonic and reactive power
compensation based on a generalized theory of instantaneous reactive power for three-phase power systems. This new theory gives a generalized definition of instantaneous reactive power,which is valid for sinusoidal or nonsinusoidal and balanced or unbalanced three-phase power systems with or without zerosequence currents and/or voltages. The properties and physical meanings of the newly defined instantaneous reactive power are
discussed in detail. A harmonic and reactive power compensator based on the new theory for a three-phase harmonic-distorted power system with zero-sequence components in the load current and/or source voltage is then used as an example to show harmonic and reactive power measurement and compensation using the new theory. imulation and experimental results are
presented.
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