모듈형 플러그인 능동전력디커플링 회로를 위한 계통전압 추종 방법Grid Voltage Estimation Method for Modular Plug-in Active Power Decoupling Circuits
- Other Titles
- Grid Voltage Estimation Method for Modular Plug-in Active Power Decoupling Circuits
- Authors
- 김동희; 김정태; 박성민; 정교범
- Issue Date
- 2021
- Publisher
- 전력전자학회
- Keywords
- APD (Active Power Decoupling); Grid voltage estimation; Modular plug-in APD; Renewable energy
- Citation
- 전력전자학회 논문지, v.26, no.4, pp.294 - 297
- Journal Title
- 전력전자학회 논문지
- Volume
- 26
- Number
- 4
- Start Page
- 294
- End Page
- 297
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/16314
- DOI
- 10.6113/TKPE.2021.26.4.294
- ISSN
- 1229-2214
- Abstract
- 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.
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Collections - College of Science and Technology > Department of Electronic and Electrical Engineering > 1. Journal Articles
- College of Engineering > Department of Mechanical and System Design Engineering > 1. Journal Articles
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