Research on Parameter Correction of Distribution Network Model Based on CIM Model and Measurement Data

Ke Zhou, Lifang Wu, Biyun Zhang, Ruotian Yao (), Hao Bai, Weichen Yang and Min Xu
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Ke Zhou: Electric Power Research Institute, Guangxi Power Grid, Nanning 530023, China
Lifang Wu: Electric Power Research Institute, Guangxi Power Grid, Nanning 530023, China
Biyun Zhang: Electric Power Research Institute, Guangxi Power Grid, Nanning 530023, China
Ruotian Yao: Electric Power Research Institute, China Southern Grid, Guangzhou 510663, China
Hao Bai: Electric Power Research Institute, China Southern Grid, Guangzhou 510663, China
Weichen Yang: Electric Power Research Institute, China Southern Grid, Guangzhou 510663, China
Min Xu: Electric Power Research Institute, China Southern Grid, Guangzhou 510663, China

Energies, 2024, vol. 17, issue 15, 1-19

Abstract: The construction of an energy distribution network can improve the system’s ability to absorb new energy, and its stable and efficient operation has become more and more important. The security and stability analysis of a distribution network needs accurate distribution network model parameters as support. At present, the installation of PMU equipment in China’s distribution network synchronous phase angle measurement unit is limited, which brings challenges to the parameter correction of the distribution network. In this paper, an automatic correction algorithm of distribution network parameters based on the CIM model and measurement data is proposed for the distribution network system without PMU. Firstly, the distribution network topology construction technology based on XML files and key fields of the distribution network is proposed, and the non/small impedance devices (such as switches) are merged and reduced. The breadth-first traversal algorithm is used to verify the connectivity of the constructed topology. Then, based on the topology construction and the least squares method, an iterative parameter correction technique is constructed. Finally, the accuracy and effectiveness of the proposed algorithm are verified in a standard IEEE 33-bus system distribution network and an example of the China Southern Power Grid. The topology connections constructed based on the CIM model have significantly enhanced the efficiency of parameter correction.

Keywords: CIM model; distribution network; parameter correction; PMU devices; priority traversal algorithm (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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