Kyo-Beum Lee and Joong-Ho Song, “Single-Phase Active Filter for High Order Harmonics Compensation,” Journal of Electrical Engineering, vol. 9, no. 2, pp. 20–25, 2009. > Paper

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International Journals Kyo-Beum Lee and Joong-Ho Song, “Single-Phase Active Filter for High Order Harmonics Compensation,” Journal of Electrical Engineering, vol. 9, no. 2, pp. 20–25, 2009.

2009

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A single-phase active power filter for high-order harmonic current compensation is presented in this paper. In modern railway

locomotives, multi-paralleled PWM converters provide unity power factor operation with low THD, but their high-order harmonics

current may provoke interference problems with the railway track signal and public telecommunication lines. A band-pass digital

filter is proposed to extract the harmonic reference currents to be compensated in the active filter. A prediction algorithm to

compensate the delay in the deadbeat current control is also proposed to produce a predicted harmonic reference current. The

effectiveness of the proposed algorithms is verified through simulations and experiments. 

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