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电网技术  2006 

集成于EMS中的参数估计软件的开发与应用

, PP. 43-49

Keywords: 参数错误,辨识与估计,状态估计,能量管理系统,电力系统

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Abstract:

设计了集成于EMS中的参数估计实用化方案。原理上采用FelixF.Wu等人提出的用可疑支路潮流补偿分量分析参数问题的基本思想,将参数估计问题分为基于残差灵敏度的可疑支路辨识和基于最小二乘法的参数估计计算两部分。结合EMS的实际运行特点讨论了应用中存在的一些特殊问题,提出了有效可行的解决方案,同时兼顾了原EMS系统信息与代码的复用性。利用该方案编制了应用程序并进行了实例研究,测试结果验证了该方案的合理性,所开发的软件已在我国省级电网中得到了实际应用,有效提高了状态估计的精度。

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