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文章摘要
基于加权最小二乘估计的配网技术和非技术网损计量
Calculation of technical and nontechnical loss of distribution network based on weighted least square state estimation
Received:May 10, 2019  Revised:May 10, 2019
DOI：10.19753/j.issn1001-1390.2020.21.015
中文关键词: 加权最小二乘法  状态估计  技术网损  非技术网损
英文关键词: weighted least square  state estimation  technical loss  non-technical loss
基金项目:
Author NameAffiliationE-mail
lingwanshui* Shanghai Jinzhi Shengdong Power Technology Co., Ltd hebsjzly@126.com 
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中文摘要:
      高级计量体系（AMI）促进了配电系统的状态估计发展，而配网网损的计量还存在准确度不高、非技术网损和技术网损区分度不够等问题。本文提出了一种基于加权最小二乘状态估计的对非技术网损和技术网损的估计方法。首先分析了技术网损和非技术网损的估计模型，利用线性状态估计模型分析了网损估计和计量误差的关系。基于该分析，提出了一种有效非技术网损的计量权重，分析了估计误差、计量误差以及量测权重。另外，所提方法考虑了状态估计中零注入节点模型的等式约束，可实现对所有区段技术网损和所有节点非技术网损的估计。最后本文在IEEE69节点上进行了仿真分析，验证了本文所提方法的有效性和正确性。
英文摘要:
      
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