包含交直流混合传输线的交流网络中的直流组件

2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC) Pub Date : 2016-06-07 DOI:10.1109/EEEIC.2016.7555549

A. Novitskiy, D. Westermann

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引用次数: 2

摘要

交直流混合架空输电线路的使用有助于提高电力线的传输能力。但是，直流和交流电源电路在空间上的接近会导致在交流线路的电流和电压中存在额外的直流分量。交流网络中存在直流元件所引起的已知影响之一是与交流线路相连的变压器的直流饱和。在直流元件的影响下，电力变压器和仪表变压器的性能可能会发生变化。本文考虑了新规划的交直流混合输电线路中直流分量对电压互感器和电流互感器的影响。结果表明，在交流电源电路中使用的标准仪表变压器不受直流线路运行引起的直流分量的显著影响。本文研究了交流输电线路中直流线路运行对仪表变压器影响的估计方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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DC components in the AC networks containing AC/DC hybrid transmission lines

The use of hybrid AC/DC overhead transmission lines can help to increase the transport capacity of power lines. But the spatial proximity of DC and AC power circuits in the same right of way leads to the presence of additional DC components in the currents and voltages of the AC line. One of known effects caused by the presence of DC components in the AC networks is the DC saturation of transformers connected to the AC lines. The performance of power and instrument transformers under the influence of DC components may be altered. The influence of DC components on voltage and current transformers for a new planned AC/DC hybrid transmission line is considered in the paper. It is shown that the standard instrument transformers used in the AC power circuits are not significantly affected by the DC components caused by the operation of the DC line. The method for the estimation of the influence of the DC line operation on the instrument transformers in the AC power line is considered in the paper.

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2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC)

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