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三峡新能源大长度±400kV直流海缆项目交接耐压试验放电技术研究

Study on Discharge Technology of Three Gorges New Energy Large Length ±400kV DC Submarine Cable Project for Handover Withstand Voltage Test
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摘要 基于江苏如东±400kV直流海缆线路建设后的安装试验需要,本文比较了直流电缆交流耐压及直流耐压的试验优缺点,分析了电缆直流耐压试验的充电、放电过程及试验方案,并对直流电缆的带局部放电测试的交流耐压试验进行了论述,提出了高效的直流电缆耐压后放电设备配置和操作方法,国内首次成功实现100km长距离直流海底电缆现场直流耐压试验。
出处 《电力设备管理》 2023年第2期140-142,共3页 Electric Power Equipment Management
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