A Pre-Synchronization Strategy for Grid-Forming Loop-Closing Device in Distribution Network
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更新:2022-05-21 16:01:38
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摘要
With the development of economy and society and the advancement of smart grid construction, loop-closing operation can improve power supply reliability, ensure power supply continuity, reduce power supply losses, and improve user satisfaction, laying the foundation for the intelligent development of distribution networks. This paper proposes an pre-synchronization strategy for grid-forming loop-closing device in distribution network. The loop closing strategy proposed in this paper includes three parts. The first part controls the DC bus voltage through VSC1, the second part controls the capacitor voltage through VSC2, and the third part realizes the loop closing operation through pre-synchronization control. Finally, the simulation analysis of distribution network system in MATLAB/Simulink environment verifies the effectiveness of the proposed pre-synchronization strategy for grid-forming loop-closing device.
关键词
Pre-Synchronization; Loop-closing; Grid-Forming
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