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A new method of harmonic power detection based on the instantaneous active power in three-phase circuits

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2 Author(s)
Tanaka, T. ; Polytechnic Univ., Sagamihara, Japan ; Akagi, H.

This paper presents a new method of harmonic power detection based on the instantaneous active power in three-phase circuits, and its applications to search for dominant harmonic sources in power systems. The proposed method requires only band elimination filters and a three-phase active power meter to detect the harmonic active power, and it is able to deal with harmonic power flow more easily and precisely than a conventional meter which is based on Fourier series of single-phase circuits. In addition, measurement errors of the harmonic power are discussed theoretically. The validity of the proposed method is demonstrated by digital simulation

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Power Delivery, IEEE Transactions on  (Volume:10 ,  Issue: 4 )