直流接地极是直流输电系统中的一个重要组成部分,而接地极的导流系统的设计则是整个接地极最终设计成败的关键。目前我国电力系统中已投运的仅有葛—上直流接地极,在三峡龙泉换流站接地极导流系统设计中,利用现有的有限运行经验及数据,在对有关问题进行深入分析计算后,提出了接地极导流系统设计中应遵循的一些设计规律。%The DC grounding electrode is an important constituent of a DCpower transmission system, and the design of its feeder system is vital for the success of the whole electrode design. At present, only Ge-Shang DC grounding electrode has been put into operation in China. In the design of grounding electrode feeder system for the Three Gorges Longquan Converter Station, based on the existing limited running experience and data, thorough analyses and calculations are conducted on some related problems, and some rules to be followed in the said design are presented.
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