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摘要
Unbalanced active power in microgrid leads to the fluctuation of microgrid frequency. To stabilize frequency of microgrid, a robust control strategy, which makes active power in microgrid balanced by controlling the power of micro-turbine, is proposed. The principle of microgrid power balance is analyzed and a the microgrid model is established;then based on H∞mixed sensitivity a robust controller is designed to make the output power of the gas turbine changed with load variation in microgrid and further the frequency fluctuation in microgrid is suppressed. The effectiveness of the proposed method is validated by simulation results.
- 出版日期2014-9-5
- 单位华南理工大学
