Virtual synchronous generator control strategy incorporating improved governor control and coupling compensation for AC microgrid
| Autor: | Zishun Peng, Daqiang Bi, Yuxing Dai, Yeting Wen, Jun Wang, Yong Ning |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Electronic speed control
Computer science 020209 energy media_common.quotation_subject 020208 electrical & electronic engineering 02 engineering and technology Inertia Control theory 0202 electrical engineering electronic engineering information engineering Diesel generator Microgrid Electrical and Electronic Engineering Governor Decoupling (electronics) Machine control media_common Voltage |
| Zdroj: | IET Power Electronics. 12:1455-1461 |
| ISSN: | 1755-4543 |
| DOI: | 10.1049/iet-pel.2018.6167 |
| Popis: | Virtual synchronous generator (VSG) control strategy has been widely used in the AC microgrid in recent years. However, the VSG control strategy is lack of the decoupling ability, and its governor control is also lack of the inertia block and speed controller block, resulting in poor dynamic performance, steady-state performance, and low accuracy of the power sharing of the AC microgrid. In this study, a novel VSG control strategy incorporating improved governor control and coupling compensation is proposed to improve the performance of the AC microgrid. Its improved governor control comprises the speed controller and inertia, which can enhance the inertia of the angular frequency and decrease the difference of the governor control between the novel VSG control strategy and diesel generator. Its coupling compensation comprises the angular frequency deviation compensation and voltage deviation compensation, which can reduce the influence of the uncontrollable coupling on the power regulation and increase the degree of freedom of the power regulation. Experimental results validate the effectiveness of the proposed VSG control strategy. |
| Databáze: | OpenAIRE |
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