Development and application of insulation coordination program for UHVDC converter stations

W. Pan, Xun Liu, D. Nie
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引用次数: 3

Abstract

This paper offers a program to improve the efficiency and accuracy of insulation coordination calculation for UHVDC converter stations. The program is based on the VBA of Excel. It has the functions of selecting arresters scheme, modifying and saving the parameters, inquiring about and adding the arrester characteristics curves and so on. It is applied to calculate the insulation coordination levels in the Xiangjiaba-Shanghai UHVDC system. The program is proved to be accurate, fast, and convenient, and can be applied well for UHVDC converter stations.
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特高压直流换流站绝缘协调方案的开发与应用
为提高特高压直流换流站绝缘协调计算的效率和准确性,提出了一种方案。该程序是基于Excel的VBA。具有避雷器方案的选择、参数的修改和保存、避雷器特性曲线的查询和添加等功能。并将其应用于向家市—上海特高压直流系统的绝缘协调等级计算。实践证明,该程序准确、快速、方便,可以很好地应用于特高压直流换流站。
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