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以华安水电厂为例,分析了发电厂直配系统在运行中可能遇到的电弧接地过电压、系统中性点位移电压升高、接地保护装置拒动等问题,并提出了增强直配系统运行可靠性的建议。
Taking Huaan Hydropower Plant as an example, this paper analyzes the problems of arc grounding overvoltage, neutral point displacement voltage rise and grounding protection device which may be encountered during the operation of power plant direct system. Recommendations for operational reliability.