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海上风电柔性直流系统设计及工程应用
Authors
卢亚军
徐莹
+5 more
文卫兵
李明
田园园
薛英林
赵峥*
Publication date
1 January 2023
Publisher
Editorial Office of Journal of Global Energy Interconnection
Doi
Cite
Abstract
针对中国第一个海上风电柔性直流送出工程—江苏如东工程,从系统拓扑方案构建、过电压与绝缘配合、系统功率盈余问题与交流故障穿越技术以及控制保护技术等方面开展了深入研究,构建了轻型紧凑化的海上风电柔性直流系统拓扑方案,取消了海上换流站的启动回路与接地回路等;提出了海陆换流站的避雷器配置方案与参考电压的选取原则,形成了海陆换流站的绝缘配合方案的典型范式;提出了集中式、分布式、混合式直流侧有功功率动态平衡装置的典型拓扑方式,解决了陆上换流站交流侧故障穿越难题;提出了工程的整体控制保护方案,并研究了一种基于电压前馈环节比例谐振控制的有源谐振抑制方法,显著降低了工程的振荡风险。通过工程实际运行,全面验证了所提技术的有效性
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Last time updated on 02/04/2023