Impact of a direct-drive permanent magnet generator (DDPMG) wind turbine system on power system oscillations

Jin Tan, XiaoRu Wang, Zhe Chen, Ming Li

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

9 Citations (Scopus)

Abstract

The increase of the large scale wind power integration have affected many aspects of power systems operation and behaviors. This paper focuses on the impact of a grid-connected direct-drive permanent magnet generator (DDPMG) wind turbine system on damping of power systems oscillations. In this paper, a detailed model of a DDPMG with controllers which is suitable for the small signal stability analysis is presented. The state-space equations of a two-machine system have been derived to illustrate the mode decouple characteristic between a DDPMG wind system and power system and the insight meaning of this decouple concept has been clarified by theoretical analysis. The modal analysis technique has been adopted to reveal the inherent damping characteristics of a DDPMG wind turbine system and the impact of system parameters on stability, thereby to confirm the conclusions of the theoretical analysis. The work can also offer the information for improving the stability of the system effectively.
Original languageEnglish
Title of host publicationIEEE Power and Energy Society General Meeting
Number of pages8
PublisherIEEE
Publication date2012
ISBN (Print)978-1-4673-2727-5
ISBN (Electronic)978-1-4673-2728-2
DOIs
Publication statusPublished - 2012
Event2012 IEEE Power and Energy Society General Meeting - San Diego, United States
Duration: 22 Jul 201226 Jul 2012

Conference

Conference2012 IEEE Power and Energy Society General Meeting
Country/TerritoryUnited States
CitySan Diego
Period22/07/201226/07/2012
SeriesIEEE Power and Energy Society General Meeting
ISSN1944-9925

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