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Adaptive Linear Combner로 구성된 새로운 단상 Phase Locked Loop 시스템
배병열(B.Y Bae),이범규(B.K Lee),백승택(S.T Baek),한병문(B.M Han),김현우(H.W Kim) 전력전자학회 2004 전력전자학술대회 논문집 Vol.- No.-
A typical method to control the single-phase power converter system is to utilize the zero-crossing PLL. However, this method is vulnerable to the voltage disturbance and affects the performance of controller. This paper proposes a new single-phase PLL system that is composed of the adaptive linear combiner and the PI control. The operational principle was analyzed through theoretical approach and the performance was verified through simulations with MATLAB. The proposed PLL system shows rapidness and robustness in control under the voltage disturbances such as the sag, harmonics, and phase jump.