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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jayasinghe, S.D.G. Vilathgamuwa, D.M. Madawala, U.K. |
| Copyright Year | 2009 |
| Description | Author affiliation: School of Electrical and Electronic Engineering Nanyang Technogical University 50 Nanyang Avenue, Singapore 639798 (Jayasinghe, S.D.G.; Vilathgamuwa, D.M.) || Department of Electrical & Computer Engineering, University of Auckland, Auckland, New Zealand (Madawala, U.K.) |
| Abstract | This paper presents a novel STATCOM configuration for voltage quality improvement in wind power generation systems. The proposed STATCOM is formed by cascading two 3-level inverters, ‘bulk inverter’ and ‘conditioning inverter’, through a coupling transformer. Both inverters are powered by dc-link capacitors and they are charged by a small amount of active power drawn from the grid. To minimize switching losses, the high power bulk inverter operates at low frequency while low power high frequency conditioning inverter is used to suppress harmonic content produced by the bulk inverter output. With only 24 switches this topology can synthesize a nine level inverter, if the dc-link voltage ratio is maintained at 3:1. Modulation and control techniques have been developed to meet this requirement. Reactive power of the STATCOM is controlled to mitigate voltage sags or swells caused by sudden wind changes. Simulation and experimental results are presented to verify the efficacy of the proposed modulation and control techniques used in the STATCOM. |
| Starting Page | 1323 |
| Ending Page | 1328 |
| File Size | 1120963 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424441662 |
| DOI | 10.1109/PEDS.2009.5385895 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2009-11-02 |
| Publisher Place | Taiwan |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Automatic voltage control Inverters Frequency Wind energy generation Wind power generation Capacitors Switching loss Power system harmonics Switches Topology Neutral point potential balancing Cascade Multilevel converter STATCOM |
| Content Type | Text |
| Resource Type | Article |
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