引用本文: | 罗庆跃,罗婷,孙柳青,等.一种多指标综合静态电压稳定薄弱母线辨识方法[J].电力系统保护与控制,2017,45(3):82-86.[点击复制] |
LUO Qingyue,LUO Ting,SUN Liuqing,et al.A multi-index integrated static voltage stability assessment method for weak buses identification[J].Power System Protection and Control,2017,45(3):82-86[点击复制] |
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摘要: |
探讨了一种多指标综合电压稳定性辨识方法。该方法基于节点电压变化、电压有功灵敏度、母线参与因子三个电压指标,以客观赋值与主观赋值组合方法对上述3个指标分别赋予不同权重求得综合指标以辨识系统各节点薄弱程度。最后以湘西南某实际电网为仿真对象进行分析,以单一指标与综合指标分别辨识系统薄弱母线,验证该综合辨识方法的全面性、有效性与科学性。 |
关键词: 电压稳定 综合评判方法 多指标 薄弱母线辨识 |
DOI:10.7667/PSPC160210 |
投稿时间:2016-02-23修订日期:2016-04-26 |
基金项目:湖南省科技计划项目(2016TP1023);湖南省研究生科研创新项目(CX2015B602);国网湖南省电力公司群众性创新项目(5216E015000L);湖南省电气类专业校企合作人才培养示范基地建设项目(湘教通[2015]274号) |
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A multi-index integrated static voltage stability assessment method for weak buses identification |
LUO Qingyue,LUO Ting,SUN Liuqing,LIU Baiyang |
(Hunan Provincial Key Laboratory of Grids Operation and Control on Multi-Power Sources Area, Shaoyang University, Shaoyang 422000, China;Shaoyang Power Supply Branch, State Grid Hunan Electric Power Company, Shaoyang 422000, China) |
Abstract: |
This paper discusses a kind of static voltage multi-index comprehensive evaluation method. The method is based on node voltage changes, voltage active/reactive power margin three voltage sensitivity index, fully considers the different factors influencing voltage stability, and combines with the subjective assignment to the objective value assignment method of each index respectively and gives different weights to calculate comprehensive index. Finally, a real power grid of Hunan southwest is simulated and analyzed, of which single index and integrated index are used respectively to identify system weak buses, verifying the proposed identification method is comprehensive, effective and scientific. This work is supported by Science and Technology Program of Hunan Province (No. 2016TP1023), Postgraduate Scientific Research Innovation Program of Hunan Province (No. CX2015B602), Mass Innovation Program of State Grid Hunan Province Electric Power Company (No. 5216E015000L), and Talents Cultivation Demonstration Base Construction Project of Hunan Enterprise and Universities Cooperation (No. [2015]274). |
Key words: voltage stability comprehensive evaluation method multi-index identification of weak bus |