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13 May 2024 New energy output control program based on short circuit ratio indicator of new energy multi-station and enhancement measures
Wu Haiyan, Wang Liqiang, Xing Huadong, Liu Ziyu, Zhang Aijun
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Proceedings Volume 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023); 1315937 (2024) https://doi.org/10.1117/12.3024575
Event: Eighth International Conference on Energy System, Electricity and Power (ESEP 2023), 2023, Wuhan, China
Abstract
The new energy multi-field short-circuit ratio (MRSCR) indicator reflects the static voltage stability of new energy field station grid connection points, the smaller the indicator, the more likely to occur static voltage instability risk, so the new energy output needs to be analyzed and controlled according to the new energy multi-field short-circuit ratio indicator to connect to the power grid. Taking a high proportion of new energy power grid as an example, the calculation of new energy multi-site short-circuit ratio is carried out in two cases of night-time pure wind power mode and daytime wind and light co-generation mode, to analyze the impact of PV start-up on the overall new energy multi-site short-circuit ratio calculation results, and the areas with low short-circuit ratios of new energy multi-site short-circuit ratios are respectively used in the areas of "differential control" and "homogenization control". The two schemes of "differentiated control" and "uniformized control" are adopted to control the new energy output respectively for the areas with low short circuit ratio of new energy multi-field stations, and the advantages and disadvantages of the two schemes are compared. Finally, for the problem that controlling new energy output reduces the level of new energy consumption in the power grid, the enhancement measures of strengthening the grid framework and installing regulating cameras are proposed, and the effects of the two measures on improving the short circuit ratio of new energy multi-site stations are analyzed.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Wu Haiyan, Wang Liqiang, Xing Huadong, Liu Ziyu, and Zhang Aijun "New energy output control program based on short circuit ratio indicator of new energy multi-station and enhancement measures", Proc. SPIE 13159, Eighth International Conference on Energy System, Electricity, and Power (ESEP 2023), 1315937 (13 May 2024); https://doi.org/10.1117/12.3024575
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KEYWORDS
Solar energy
Power grids
Wind energy
Homogenization
Cameras
Circuit switching
Photovoltaics
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