NDLI: Circulating current suppression of converter excited wind power generation system with DC output

Content Provider	IEEE Xplore Digital Library
Author	So, T. Kashiwagi, S. Kimura, N. Morizane, T. Omori, H.
Copyright Year	2015
Description	Author affiliation: Electr. & Electron. Syst. Eng. Dept., Osaka Inst. of Technol., Osaka, Japan (So, T.; Kashiwagi, S.; Kimura, N.; Morizane, T.; Omori, H.)
Abstract	Recently, the research on HVdc transmission from offshore windfarm is attracting many researchers. Additionally, dc output from the wind power generator is expected to have some merits when it is connected to the HVdc transmission system. This paper shows new induction generation system for wind power generation with dc output. The authors propose the system which has the voltage source converter (VSC) exciting induction generator and the PFC converter to absorb the real power in parallel. In this scheme, the circulating current flows between two converters, since the DC side of VSC and PFC converter are connected commonly. The circulating current causes three phase imbalance in ac output and the rating and the cost of VSC increase. Decreasing the circulating current is necessary to have better performance of proposed system. This paper investigated the method of the circulating current reduction by the simulation, analysis and experiment. Then it is shown that shifting the phase of the switching signal of PFC converter. The VSC current is also decreased at the same time and enables cost reduction of the whole system.
Starting Page	1
Ending Page	10
File Size	2107880
Page Count	10
File Format	PDF
e-ISBN	9789075815221
DOI	10.1109/EPE.2015.7309357
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-09-08
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	EPE Association and IEEE
Subject Keyword	Induction generators HVDC transmission Rectifiers Induction machine Circulating current Wind power generation Wind farms PFC converter Voltage Source Converter Power conversion Wind Power generation Phase shift control
Content Type	Text
Resource Type	Article

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