Letter_of_SimLinDist_TCS__Modified_AR.pdf (309.27 kB)

A Linear Distflow Model Considering Line Shunts

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posted on 2023-03-14, 03:59 authored by Hanyang LinHanyang Lin, Xinwei Shen, Ye Guo, Tao Ding, Hongbin Sun

Line shunts are usually ignored by various power flow (PF) models in distribution system analysis, planning and optimization. However, ``charging effects" from line shunts of underground/submarine power cables would cause non-negligible model errors for these commonly used PF models. In this brief, we propose a modified linear Distflow model (LinDist) with line shunts (LinDistS) to address relevant model errors. The strength of the proposed model not only lies in a straightforward structure like LinDist, but also maintaining the linearity after further considering three-phase unbalanced systems. The linearization error of voltage component is theoretically analyzed. Case studies show that compared with non-linear and linear models, LinDistS achieves the descent calculation accuracy and efficiency in large scale distribution systems.


National Natural Science Foun- dation of China under grant 52007123


Email Address of Submitting Author

Submitting Author's Institution

Tsinghua-Berkeley Shenzhen Institute, Tsinghua University

Submitting Author's Country

  • China

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