The paper describes the technological standards and construction technology requirements of converter station grounding grid, and puts forward operation and maintenance methods of cathodic protection construction, engineering preparation and system monitoring of the converter station, which has provided significant reference for later operation and maintenance and to provide basis for grounding grid construction of other converter station.%介绍了换流站接地网的技术标准和施工工艺要求，重点对某换流站阴极保护施工、工程实际状况备案、系统监测方面提出了运维办法，为后续的运行、维护方面提供了重要参考，也为其他换流站的接地网施工提供了依据。
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