学術雑誌論文 三相電力用アクティブフィルタの3次高調波電流補償に伴う直流コンデンサ電圧脈動の抑制法

萬年, 智介  ,  Mannen, Tomoyuki  ,  深澤, 一誠  ,  Fukasawa, Issei  ,  藤田, 英明  ,  Fujita, Hideaki

137 ( no. 2 )  , pp.141 - 147 , 2017-02 , 電気学会 , Institute of Electrical Engineering in Japan
内容記述
This paper proposes a new control method suitable for active power filters, which can reduce the dc capacitor voltage ripple associated with the third-order harmonic current compensation. The proposed method superimposes a negative-sequence fundamental current on the compensating current to cancel out the active power ripple caused by the third-order harmonic current. As a result, the proposed method has the capability to eliminate the dc capacitor voltage ripple oscillating at double the source frequency. Experimental results obtained by a 10-kW three-phase diode rectifier load verify the validity of the proposed method. The proposed method exhibits a small dc capacitor voltage ripple reduced to 43% of that using the conventional method.

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