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以创新精神培育大国工匠

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国网技术学院学报 第19卷第6期 Journal of State Grid Technology College 动态状态估计算法[J].电力系统自动化,2007,31(6): 39—43. 1997,12(1):370-374. [7]倪小平,张步涵.基于等效电流量测变换的状态估计及 不良数据检测与辨识方法[J].2002,26(8):12—15. [8]秦晓辉,毕天姝,杨奇逊.计及PMU的混合非线性状态 [10]郭志忠,鲁宝春,柳焯.广义Tellegen定理[J].燕山大学 学报,1999,23(1):58~61. 估计新方法[J].电力系统自动化.2007,31(4):28—33. [9]卫志农,李阳林,郑玉平.基于混合量测的电力系统线性 [11]牛辉,郭志忠.广义特勒根潮流计算方法.电力系统自动 化[J 3.1998,22(1O):14一l6. WANG Tao,LIN Guihua,HAN Dong,DONG Haitao, WANG Yuying,CUI Meiying State Grid of China Technology College,Jinan 250002,China Abstract:Establishing Jacobian matix constrant is an important way to improve state estimation speed.In this paper,a kind of mixed measurements state estimation methods based on general Tellegen’s Theorem is proposed. The general Tellegen’s Theorem is applied to establish Jacobian matirx constant without ignoring secondary factors based on equivalent current transformation method.As a result,the problem of numerical stabilitv during establishing Jacobian matrix constant in existing state estimation method is solved.Thusthe algorithm has ideal .convergence.Furthermore,it has strong compatibility for various distribution measurements.In additionit has ,advantages such as fast calculation speed,making full use of WAMS and SCADA system to measure data and good convergence.The method used in this paper is veriied tfhrough IEEE:30 node systemThe example result fully .proves effectiveness of the method. Key words:mixed measurements;equivalent current transformation;general Tellegen’S Theorem;state estimation; numerical stability 以创新精神培育大国工匠 国家电网报2016—12—14 12月8日,第十三届高技能人才表彰大会在 北京举行,共有30人获得中国高技能人才最高奖 项——“中华技能大奖”。公司推荐的国网福建电力 陈国信、重庆电力张毅获得中华技能大奖,国网上 海电力杨庆华、江苏电力陈德风、安徽电力许启金、 辽宁电力姜广敏当选全国技术能手。受到表彰的高 技能人才,是产业工人中的杰出代表,拥有绝活绝 技,在本职岗位上创造了不平凡的业绩。 

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