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基于决策树模型的多机孤岛被动式检测方法 被引量:6

Multi-Parallel Inverter Island Passive Detection Method Based on Decision-Making Tree Model
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摘要 发展有效的被动式孤岛检测方法,是多机孤岛课题的发展方向之一.用公共耦合点电压、频率、电压电流相位差和电流谐波失真等参数定义了4项指标,基于被动式孤岛检测方法提出了仅包含简单逻辑的决策树分类器模型,并在Matlab/Simulink环境中对两机并联的情形进行仿真.结果表明:因考虑更多系统参数,该方法克服了检测盲区,获得了比电压/频率继电保护更优的检测性能. The development of the effective passive island detection method is one direction of the multi-parallel inverter island protection projects.This paper defins four indexes,including the parameters of common coupling point voltage,frequency,voltage current phase difference and current harmonic distortion.And based on the passive island detection method,the decision tree classifier model containing simple logic is proposed,and the parallel operation of two machines is simulated in Matlab/Simulink environment.The results show that this method overcomes the detection blind area and has better detection performance than voltage/frequency relay protection because more system parameters are considered.
作者 杨晓梅 桑丙玉 李官军 马磊 孙鉴 孙耀杰 YANG Xiaomei;SANG Bingyu;LI Guanjun;MA Lei;SUN Jian;SUN Yaojie(State Grid Jiangsu Electric Power Co.LTD,Nanjing 211106,China;China Electric Power Research Institute Co.LTD,Nanjing 210003,China;Jiangsu Engineering Technology Research Center for Energy Storage Conversion and Application,China Electric Power Research Institute,Nanjing 210003,China;Institute of Future Lighting,Academy for Engineering and Technology,Fudan University,Shanghai 200433,China;Faculty of Engineering,Sydney University,Sydney 2006,Australia)
出处 《复旦学报(自然科学版)》 CAS CSCD 北大核心 2020年第1期116-121,共6页 Journal of Fudan University:Natural Science
基金 中国电力科学研究院江苏省储能变流及应用工程技术研究中心实验室开放基金项目 国家电网江苏省电力有限公司项目(NY71-16-045)
关键词 孤岛效应 被动式检测方法 决策树 island protection passive detection method decision-making tree
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