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An active feedforward compensation for a current harmonics reduction in three-phase grid-connected inverters
- Authors
- Park, Byong-Jun; Choi, Ki-Young; Kim, Rae-Young
- Issue Date
- Jan-2014
- Publisher
- IEEE
- Keywords
- Active feedforward; harmonic compensation; low frequency transformer; low order harmonic; THD; weak grid
- Citation
- IECON Proceedings (Industrial Electronics Conference), pp.400 - 405
- Indexed
- SCOPUS
- Journal Title
- IECON Proceedings (Industrial Electronics Conference)
- Start Page
- 400
- End Page
- 405
- ISSN
- 1553-572X
- Abstract
- The paper discusses the influence of a grid impedance, especially for a leakage inductance of a grid side transformer. The grid impedance does not usually take into account during the design stage of the current controller. As a result, low order harmonics in the grid current are distorted. In this paper, the active feed-forward compensation method is proposed for the purpose of attenuating the current distortion. The proposed method can be applied to L filter as well as LCL filter. The effectiveness of the method is verified through various simulations and experiments based on a 1.5kW voltage source inverter prototype.
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Related Researcher
- Kim, Rae Young
- COLLEGE OF ENGINEERING (MAJOR IN ELECTRICAL ENGINEERING)