通过多重电网应急支持改善电压稳定性并降低电力损耗

IF 1.9 4区 工程技术 Q4 ENERGY & FUELS
Tayo Uthman Badrudeen, Funso K. Ariyo, Nnamdi Nwulu
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引用次数: 0

摘要

稳定的电力系统是实现最佳性能和向终端用户输送电力的理想状态。本研究评估了电网应急支持设备在增强电力系统稳定性方面的有效性。研究采用了新电压稳定指针(NVSP),通过 N - 1 应急排序优化推断柔性交流输电系统设备。在这项研究中,静态同步补偿器(STATCOM)被视为电网支持设备。该技术的有效性在 R2018a MATLAB 中进行了验证,使用 IEEE 30 总线系统,使用不同的可组合突发事件案例来确定关键线路和易受停电影响的总线。根据 NVSP 得出的结果,母线 30、26 和 29 被列为 STATCOM 候选母线,以实现整体最优电网性能。仿真结果显示,总实际功率损耗降低了 90.21%。同样,放置 STATCOM 后,母线的电压幅值也得到了明显改善,最低达到了 1.00 p.u。对 IEEE 30 总线系统中单个 STATCOM 布置的进一步研究表明,当 STATCOM 布置在 30 总线时,电压改善程度最高,电压偏差最小,有功功率损耗减少最多。在相同的测试系统中,与其他方法相比,建议技术的总体评估结果更好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Voltage stability improvement and power losses reduction through multiple grid contingency supports
A stable power system is a desirable state for the optimal performance and delivery of electricity to the end-users. This study evaluates the effectiveness of grid contingency support devices in power system stability enhancement. The new voltage stability pointer (NVSP) was employed to optimally infer the flexible alternating current transmission systems devices through N − 1 contingency ranking. In this research, the static synchronous compensator (STATCOM) was considered as a grid support device. The effectiveness of this technique was validated in R2018a MATLAB with the IEEE 30-bus system using different combinable contingency cases to ascertain the critical lines and vulnerable buses to outages. Based on the results obtained through the NVSP, buses 30, 26, and 29 were cited as STATCOM candidate buses for overall optimal grid performance. The results obtained from the simulation revealed that the total real power loss was reduced by 90.21%. Similarly, the voltage magnitude of the buses was significantly improved to a minimum of 1.00 p.u. after placement of STATCOMs. Further investigation on single STATCOM placement in the IEEE 30-bus system revealed that the highest level of voltage improvement, minimum level of voltage deviation and maximum active power loss reduction was achieved when the STATCOM was placed at bus 30. The overall assessment of the proposed technique yielded better results compared with other methods on the same test system.
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来源期刊
Energy Exploration & Exploitation
Energy Exploration & Exploitation 工程技术-能源与燃料
CiteScore
5.40
自引率
3.70%
发文量
78
审稿时长
3.9 months
期刊介绍: Energy Exploration & Exploitation is a peer-reviewed, open access journal that provides up-to-date, informative reviews and original articles on important issues in the exploration, exploitation, use and economics of the world’s energy resources.
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