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Modelling and region stability analysis of wind turbines with battery energy storage system based on switched system with multi-equilibriums
journal contribution
posted on 2023-06-09, 16:36 authored by Xiaokun Dai, Yang Song, Tai YangThis paper deals with the modelling and control for wind turbine combined with a battery energy storage system (WT/BESS). A proportional-integral (PI) controller of pitch angle is applied to adjust the output power of WT, and a method for battery scheduling is presented for maintaining the state of charging (SOC) of BESS. When the battery level is below the lower limit, we increase the expected output power of wind turbine through raising the operation point to charge the battery. Considering the effect of charging/discharging, a switched linear system model with two equilibriums is presented firstly for such WT/BESS system. The region stability is analyzed and an approach for estimating the corresponding stable region is also given. The effectiveness of the proposed results is demonstrated by a numerical example.
History
Publication status
- Published
File Version
- Accepted version
Journal
Transactions of the Institute of Measurement and ControlISSN
0142-3312Publisher
SAGE PublicationsExternal DOI
Issue
6Volume
41Page range
1519-1527Department affiliated with
- Engineering and Design Publications
Research groups affiliated with
- Industrial Informatics and Signal Processing Research Group Publications
Full text available
- Yes
Peer reviewed?
- Yes
Legacy Posted Date
2019-01-30First Open Access (FOA) Date
2019-01-30First Compliant Deposit (FCD) Date
2019-01-29Usage metrics
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