A novel damping strategy for low frequency oscillation suppression with MMC-type unified power flow controller
| Autor: | Hongning Zhen, Zhenquan Wang, Yong Chen, Wenzhe Chen, Wei Wu, Yijun Fei, Bing Zhou |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Damping ratio
business.industry Computer science Oscillation 020209 energy 02 engineering and technology Modular design AC power Electric power system Control theory Unified power flow controller 0202 electrical engineering electronic engineering information engineering Design process Low-frequency oscillation business |
| Zdroj: | ICIT |
| DOI: | 10.1109/icit.2018.8352335 |
| Popis: | It is an inevitable problem that low frequency oscillation exists in power system, which weakens the transmission line transfer capability and threatens power system stability. Unified Power Flow Controller based on Modular Multi-Level Converter is an effective solution to power system oscillation. The main method at present is highly dependent on accurate math model, whose design process is complex and against engineering practice as well. This paper proposes a novel damping strategy, which uses reactive current variation to increase system damping ratio in seek of suppression on system oscillation. This method has advantages of good damping effect, simplified design process, and easy engineering applicability. At last, the simulation analysis based on PSCAD software verifies the effectiveness of the design. |
| Databáze: | OpenAIRE |
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