张祖安;黎小林;陈名;何俊佳;李岩;许树楷;袁召;李艳林;岑义顺;赵晓斌;

• 1:直流输电技术国家重点实验室(南方电网科学研究院有限责任公司)
• 2:强电磁工程与新技术国家重点实验室(华中科技大学)
• 3:思源电气股份有限公司

摘要(Abstract)：

针对±160 kV南澳多端柔性直流工程对高压直流断路器的实际需求,提出了一种新型的机械式高压直流断路器拓扑,以及160 kV机械式高压直流断路器的技术方案,对其中的关键技术如快速操动机构、多断口串联均压等进行了仿真研究。研制出了160 kV超快速机械式高压直流断路器,提出了采用发电机源提供交流电流来模拟直流故障电流的开断试验电路,并进行了正、反向大电流开断试验。试验结果表明,机械式高压直流断路器成功开断了9.2 k A正向电流,暂态恢复电压峰值达到272 kV,开断时间3.9 ms;成功开断了9.2 kA反向电流,暂态恢复电压峰值达到262 kV,开断时间为4.6 ms。

关键词(KeyWords)： 多端柔性直流输电;机械式高压直流断路器;电磁斥力操动机构;多断口;均压;开断试验

Abstract:

Keywords:

基金项目(Foundation): 《中国制造2025》项目;; 中国南方电网公司重点科技项目(CSGTRC-K163004)~~

作者(Author): 张祖安;黎小林;陈名;何俊佳;李岩;许树楷;袁召;李艳林;岑义顺;赵晓斌;

Email:

DOI: 10.13335/j.1000-3673.pst.2018.0230

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