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1.南京理工大学自动化学院,江苏省南京市 210094
2.南瑞集团有限公司(国网电力科学研究院有限公司),江苏省南京市 211106
3.智能电网保护和运行控制国家重点实验室,江苏省南京市 211106
吕睿(1990—),男,博士研究生,主要研究方向:电力系统安全稳定分析与控制。E-mail:lvrui@sgepri.sgcc.com.cn
薛禹胜(1941—),男,通信作者,中国工程院院士,博士生导师,主要研究方向:电力系统自动化。E-mail:xueyusheng@sgepri.sgcc.com.cn
黄天罡(1988—),男,博士,工程师,主要研究方向:电力系统安全稳定分析与控制。E-mail:huangtiangang@sgepri.sgcc.com.cn
收稿日期:2021-01-02,
修回日期:2021-01-12,
网络出版日期:2021-01-22,
纸质出版日期:2021-02-25
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吕睿,薛禹胜,黄天罡.准定量法与精确定量法在暂态稳定分析中的融合[J].电力系统自动化,2021,45(4):12-19.
LYU Rui,XUE Yusheng,HUANG Tiangang.Integration of Quasi-quantitative and Quantitative Methods in Transient Stability Analysis[J].Automation of Electric Power Systems,2021,45(4):12-19.
吕睿,薛禹胜,黄天罡.准定量法与精确定量法在暂态稳定分析中的融合[J].电力系统自动化,2021,45(4):12-19. DOI: 10.7500/AEPS20210102005.
LYU Rui,XUE Yusheng,HUANG Tiangang.Integration of Quasi-quantitative and Quantitative Methods in Transient Stability Analysis[J].Automation of Electric Power Systems,2021,45(4):12-19. DOI: 10.7500/AEPS20210102005.
电力系统暂态稳定性的量化方法——扩展等面积准则(EEAC)具有与数值积分法同样的模型适应性与分析精度,已广泛应用于电力系统的在线分析。为了应对系统规模和模型复杂性的增加对计算量的新挑战,引入因果驱动与数据驱动相融合的算例筛选环节。文中提出定性多档分类、准定量分析,以及精确量化算法三者结合的框架,设计了“两层筛选”的多输出分类器。在分类特征向量中除继续采用时变度指标外,还增加了反映失稳模式易变度的因果型指标,提升了算例分类的质量,并显著提高了算例筛选的效率和强壮性。通过对中国9个网省级电力系统的仿真测试,验证了该筛选分类器融入EEAC工程软件后的整体性能。
Extended equal-area criterion (EEAC)
a quantitative method of power system transient stability
has the same mode adaptability and analysis accuracy as the step-by-step numerical integration method
and has been widely used in the online analysis of power systems. In order to cope with the new challenges of the increase in system scale and model complexity to the amount of calculation
a case filtering process that combines causal driving and data driving is introduced. A framework is proposed by combining qualitative multiple classification
quasi-quantitative analysis and precise quantitative algorithms
and a “two-layer screening” multi-output classifier is designed. In addition to keep the two time-varying indices in the feature vector of case filtering
a causal index reflecting the variability of the unstable mode has also been added
which improves the quality of the classification result and significantly improves the efficiency and robustness of the case filtering. The overall performance of the case filterer after being integrated into the EEAC engineering software is verified through the simulation test of the 9 provincial power systems in China.
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HUANG Tiangang , XUE Yusheng , CHEN Guoping , et al . An efficient stable case screening algorithm for transient stability assessment [J]. Automation of Electric Power Systems , 2018 , 42 ( 8 ): 83 - 91 .
XUE Yusheng , HUANG Tiangang , WONG K P . Rapid assessment of unstable mode variability in power grids [C]// IREP Symposium—Bulk Power System Dynamics and Control-Ⅹ, Optimization, Security and Control of the Emerging Power Grid , August 27 -September 1 , 2017 , Espinho , Portugal: 8p .
黄天罡 . 统计分析与因果分析在暂态稳定量化评估中的融合 [D]. 南京 : 东南大学 , 2018 .
HUANG Tiangang . Integration of statistic analysis and causal analysis in transient stability quantization assessment [D]. Nanjing : Southeast University , 2018 .
XUE Yusheng , HUANG Tiangang , LI Kang , et al . An efficient and robust case sorting algorithm for transient stability assessment [C]// IEEE Power and Energy Society General Meeting, July 26-30 , 2015 , Denver , USA: 5p .
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