Small grid-connected PV-system with lossless passive soft-switching technique

In order to increase the system efficiency of small grid-connected PV-systems without resulting to complex control, a high-efficiency PV power inverter with simple control methodology is required. To satisfy this requirement, an improved single-phase inverter using soft-switching technique is propos...

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Main Authors: D. Amorndechaphon, S. Premrudeepreechacharn, K. Higuchi
格式: Conference Proceeding
出版: 2018
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在線閱讀:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=77951140947&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/49003
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機構: Chiang Mai University
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總結:In order to increase the system efficiency of small grid-connected PV-systems without resulting to complex control, a high-efficiency PV power inverter with simple control methodology is required. To satisfy this requirement, an improved single-phase inverter using soft-switching technique is proposed. The power circuit is composed of a lossless passive snubber boost converter and a LLCC resonant inverter. The operating principles of the proposed small grid-connected PV-system will be thoroughly discussed. The effectiveness and result of the proposed grid-connected inverter for small PV system is verified by simulation. © 2009 SICE.