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首页> 外文期刊>Electric power systems research >Evaluation of the extended modal-domain model in the calculation of lightning-induced voltages on parallel and double-circuit distribution line configurations
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Evaluation of the extended modal-domain model in the calculation of lightning-induced voltages on parallel and double-circuit distribution line configurations

机译:评估扩展模域模型在平行闪电引起电压计算中的计算和双电路分配线配置

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This paper evaluates the applicability of the extended modal-domain (EMD) model in the calculation of lightning-induced voltages on parallel and double-circuit distribution lines. The influence of a real and constant transformation matrix and of the fitting technique required in the model on the induced-voltage waveforms is also investigated. It is shown that the EMD model presents good accuracy in most of the tested configurations. Also, in most cases the influence of the frequency selected for the calculation of the transformation matrix required in the EMD model is minimal. On the other hand, the requirement of using strictly real poles and residues and the use of the built-in fitting tool available in the Alternative Transients Program (ATP) have both a detrimental influence on the accuracy of the EMD model, at least in the investigated cases.
机译:本文评估扩展模域(EMD)模型在平行和双电路配电线上计算闪电感应电压计算中的适用性。 还研究了实际和恒定变换矩阵的影响和诱导电压波形模型中所需的拟合技术。 结果表明,EMD模型在大多数测试配置中具有良好的准确性。 此外,在大多数情况下,选择用于计算EMD模型所需的变换矩阵的频率的影响最小。 另一方面,在替代瞬变程序(ATP)中使用严格实际杆和残留物和使用内置拟合工具的要求对EMD模型的准确性具有不利影响,至少在其中 调查案件。

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