Influence of Overhead Line Models on the Secondary Arc Current Research of Double Circuit Overhead Lines on the Same Tower

doi:10.11930/j.issn.1004-9649.201701025

Abstract

Abstract: There are many modeling methods for the short double circuit overhead lines on the same tower in the electromagnetic transient analysis. The modelling methods directly influence the simulated results of of the secondary arc current. In this paper, the simulation models of four-generator system including the short double circuit overhead lines are built by the EMTP (Electro-Magnetic Transient Program) software for simulating the secondary arc current. The differences among the three kinds of line models in EMTP are compared in the steady state calculation and transient state research. Based on the theoretical analysis, the explanations for the differences of the three models are discussed. Besides, the suggestions of model selection in secondary arc current research for the short double circuit overhead lines on the same tower are given in the paper.

Key words: overhead line model, double circuit lines on the same tower, secondary arc current, recovery voltage, EMTP

CLC Number:

TM751

LI Xutao. Influence of Overhead Line Models on the Secondary Arc Current Research of Double Circuit Overhead Lines on the Same Tower[J]. Electric Power, 2018, 51(7): 1-6.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201701025

https://www.electricpower.com.cn/EN/Y2018/V51/I7/1

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