[논문]모듈형 플러그인 능동전력디커플링 회로를 위한 계통전압 추종 방법

김동희; 김정태; 박성민; 정교범

doi:10.6113/tkpe.2021.26.4.294

모듈형 플러그인 능동전력디커플링 회로를 위한 계통전압 추종 방법
Grid Voltage Estimation Method for Modular Plug-in Active Power Decoupling Circuits 원문보기

전력전자학회 논문지 = The Transactions of the Korean Institute of Power Electronics, v.26 no.4, 2021년, pp.294 - 297

김동희 (Dept. of Electronic & Electrical Engineering, Hongik University) , 김정태 (Dept. of Electronic & Electrical Engineering, Hongik University) , 박성민 (Dept. of Electronic & Electrical Engineering, Hongik University) , 정교범 (Dept. of Electronic & Electrical Engineering, Hongik University)

Abstract ▼ AI-Helper

A grid voltage estimation method for modular plug-in active power decoupling (APD) circuits is proposed in this study as direct replacements of electrolytic capacitors. Since modular plug-in APD circuits cannot have additional grid voltage sensors and should be operated independently without information exchange with the front-end converter, it is impossible to obtain the phase information of the grid directly. Therefore, the proposed method uses the second-order harmonic component of the DC-link voltage to estimate the grid voltage necessary to control the APD circuit. By employing the proposed method, the concept of modular plug-in APD circuits can be realized and implemented without direct detection of the grid voltage. The experimental results based on hardware-in-the-loop simulation (HILS) validate the effectiveness of the proposed control method.

주제어

표/그림 (9)

그림 Fig. 1. Conceptual diagram of modular plug-in APD circuits.
그림 Fig. 2. Frond-end ac-dc converter with modular plug-in capacitor-split type APD circuit.
그림 Fig. 3. Current path according to operation modes.
그림 Fig. 4. Proposed control block diagram.
그림 Fig. 5. φ value according to dc-link load RL.
표 TABLE I Φ VALUE ACCORDING TO DC-LINK LOAD R_L
표 TABLE Ⅱ Ψ VALUE ACCORDING TO GIRD CURRENT I_s
표 TABLE Ⅲ PARAMETERS OF SIMULATION
그림 Fig. 6. Experimental results.

참고문헌 (9)

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상세보기
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상세보기
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상세보기
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상세보기
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