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1.杭州电子科技大学自动化学院,浙江省杭州市 310018
2.浙江华云信息科技有限公司,浙江省杭州市 310012
3.国网浙江省电力有限公司营销服务中心,浙江省杭州市 311121
罗钧腾(1995—),男,硕士研究生,主要研究方向:智能电网大数据分析及应用。E-mail:429486920@qq.com
章坚民(1962—),男,通信作者,硕士,教授,博士生导师,主要研究方向:态势感知及可视化、信息物理系统集成建模及信息安全防护、电网优化规划与运行。E-mail:Zhangjmhzcn@hdu.edu.cn
陈耀军(1967—),男,高级工程师,主要研究方向:电力信息化系统设计与开发。E-mail:Chenyaojun@creaway.com.cn
收稿日期:2020-10-05,
修回日期:2020-12-04,
网络出版日期:2021-02-23,
纸质出版日期:2021-05-10
移动端阅览
罗钧腾,章坚民,陈耀军等.融合已知相别和地址信息的低压用户计量表箱识别[J].电力系统自动化,2021,45(9):115-121.
LUO Junteng,ZHANG Jianmin,CHEN Yaojun,et al.Identification of Low-voltage User Meter Box Combined with Known Phase and Address Information[J].Automation of Electric Power Systems,2021,45(9):115-121.
罗钧腾,章坚民,陈耀军等.融合已知相别和地址信息的低压用户计量表箱识别[J].电力系统自动化,2021,45(9):115-121. DOI: 10.7500/AEPS20201005001.
LUO Junteng,ZHANG Jianmin,CHEN Yaojun,et al.Identification of Low-voltage User Meter Box Combined with Known Phase and Address Information[J].Automation of Electric Power Systems,2021,45(9):115-121. DOI: 10.7500/AEPS20201005001.
用户电能表与表箱的关系不清楚可能导致严重后果,用户电能表的所属计量表箱识别是低压配电网计量拓扑识别问题之一。由于同一计量箱的用户入线共用同一条配电箱母线,若已知总等效单相计量箱数量
N
,则原问题可转换为基于用户电压时序波形的
N
类分类问题。在分析这种方法在实际工程应用中缺点的基础上,提出了一种融合已知相别和地址信息的低压配电计量表箱识别方法。首先,采用聚类方法将分相后的电压时序波形辨识到配电分线箱层面。然后,利用经过挖掘和补全的地址文本信息构建基于相邻关系的约束,并采用约束的
k
-medoids聚类算法将用户区划分为表箱层面。最后,通过2个具典型特征的低压配电网案例验证了所提方法的有效性。
Unclear mapping relationship between the user meters and the meter boxes
which may lead to serious consequences. Therefore
the identification of the meter box of the user meters is one of the metering topology identification problems of low-voltage distribution network. Since the entry lines of user meters in the same meter box share the same distribution box bus
if the total number
N
of the equivalent single-phase meter is known
the original problem can be converted into an
N
-classification problem based on the voltage sequential waveforms. Based on the analysis of the shortcomings of such method in practical engineering applications
an identification method of the low-voltage power distribution meter box combining the known phase and address information is proposed. First
the clustering method is used to identify the phase-separated voltage sequential waveforms to the distribution box level. Then
the mined and complemented address text information is applied to construct constraints based on neighborhood relations
and the constrained
k
-medoids clustering algorithm is used to divide users into the meter box level. Finally
two low-voltage distribution network cases with typical characteristics are used to verify the effectiveness of the proposed method.
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