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考虑输电网功率因数的无功优化内点算法

Interior-point Algorithm of Reactive Power Optimization Considering Transmission Network Power Factor

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【作者】 陈宇薛斌

【Author】 CHEN Yu1,3, XUE Bin2,4 ( 1. North China Electric Power University, Beijing 102206, China; 2. College of Energy and Electric, Hohai University, Nanjing Jiangsu 210098, China; 3. Nantong Power Supply Company, Nantong Jiangsu 226006, China; 4. Jiangsu Electric Power Maintenance Branch Company Nantong Division, Nantong Jiangsu 226006 , China )

【机构】 华北电力大学南通供电公司江苏省电力公司检修分公司南通分部河海大学能源与电气学院

【摘要】 建立了一种考虑输电网功率因数的无功优化模型,并分析了相应的现代内点算法。通过引入输电网功率因数约束,并在等式约束中增加线路传输功率约束,显著降低了求解过程中高阶修正方程系数矩阵的非零注入元素数目,为求解含大规模复杂不等式约束的问题提供了全新的思路。对多个测试系统进行计算的结果表明,算法能显著提高输电网功率因数,计算迅速且收敛性好,满足在线运行要求。

【Abstract】 A model of reactive power optimization considering transmission network power factor is established and the corresponding modern interior-point algorithm is analyzed. By introducing the transmission network power factor constraints and adding the line transmitting power constraints to equality constraints, the non-zero injected elements of high order correction equation coefficient matrix are significantly reduced in the solving process. Thus a new way of thinking for solving the problems with large-scale and complex inequality constraints is provided. The calculative results of several test systems show that, the proposed algorithm can remarkably improve transmission network power factor, and has real-time performance and good convergence property, suitable for the on-line operation.

  • 【文献出处】 电气自动化 ,Electrical Automation , 编辑部邮箱 ,2012年06期
  • 【分类号】TM714.3
  • 【下载频次】66
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