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Abstract
This article presents an enhanced control strategy for a direct-driven permanent synchronous generator based wind-power generation system with a flywheel energy storage unit. The behaviors of the direct-driven permanent magnet synchronous generator system with a flywheel energy storage unit under unbalanced grid fault conditions are investigated. Three control targets for the grid-side converter during network unbalance conditions are identified, including eliminating the oscillations in the total active power or reactive power or no negative-sequence current injecting into the grid. Meanwhile, the DC-link voltage oscillations can be effectively suppressed during the unbalanced grid fault by controlling the flywheel energy storage unit. Furthermore, a proportional–integral-resonant controller is designed for the flywheel motor to eliminate the oscillations in the DC-link voltage. Finally, the proposed coordinated control strategy for the direct-driven permanent magnet synchronous generator system with a flywheel energy storage unit has been validated by the simulation results of a 1-MW direct-driven permanent magnet synchronous generator wind power generation system with a flywheel energy storage unit under unbalanced grid fault.
Originalsprog | Engelsk |
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Tidsskrift | Electric Power Components & Systems |
Vol/bind | 43 |
Udgave nummer | 8-10 |
Sider (fra-til) | 982-994 |
Antal sider | 13 |
ISSN | 1532-5008 |
DOI | |
Status | Udgivet - 2015 |
Fingeraftryk
Dyk ned i forskningsemnerne om 'Enhanced Control for a Direct-driven Permanent Synchronous Generator Wind-power Generation System with Flywheel Energy Storage Unit Under Unbalanced Grid Fault'. Sammen danner de et unikt fingeraftryk.Projekter
- 1 Afsluttet
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Development of a Secure, Economic and Environmentally-friendly Modern Power System
Chen, Z., Bak-Jensen, B., Bak, C. L., Hu, W., Fang, J. & Su, C.
01/04/2010 → 31/12/2015
Projekter: Projekt › Forskning