直流微电网控制保护策略研究 |
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引用本文: | 周钰,张浩,陈锐,鲁丽娟,施世鸿. 直流微电网控制保护策略研究[J]. 南方能源建设, 2020, 7(4): 61-66. DOI: 10.16516/j.gedi.issn2095-8676.2020.04.009 |
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作者姓名: | 周钰 张浩 陈锐 鲁丽娟 施世鸿 |
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作者单位: | 中国能源建设集团广东省电力设计研究院有限公司,广州510663;广东电科院能源技术有限责任公司,广州510080 |
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基金项目: | 中国能建广东院科技项目“柔性直流输电控制与保护设备技术研究”ER03391W |
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摘 要: | 目的 直流微电网的控制及保护技术,对保证直流微电网的可靠、安全运行具有重要作用。论文旨在解决直流微电网设计中的关键技术问题。 方法 从直流母线拓扑结构选择、并离网切换控制策略、保护配置方案三个方面深入开展研究。 结果 通过研究,给出了直流母线拓扑结构选择原则、直流微电网的控制策略流程、保护分区及配置,并对直流互感器的选择进行了分析比较。 结论 研究成果在国家示范项目中得到了有效性验证,投运以来运行效果良好。
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关 键 词: | 直流微电网 直流母线拓扑结构 控制策略 保护配置 |
收稿时间: | 2020-07-17 |
Research on Strategy of DC Micro-grid Control and Protection |
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Affiliation: | 1.China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou510663, China2.Guangdong Dian Ke Yuan Energy Technology Co., Ltd., Guangzhou, China |
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Abstract: | Introduction The control and protection technology of DC microgrid plays an important role in ensuring the reliable and safe operation of DC microgrid. The paper aims to solve the key technologies in the design of DC micro-grid. Method DC bus topology selection, control strategy, and protection configuration scheme were discussed in the paper. Result The selection principle of DC bus topology structure, the control strategy process of DC micro-grid, protection zone and configuration are given in the paper. At the same time, the selection of DC transformer is analyzed and compared. Conclusion The method has been validated in national demonstration projects, and it has performed well since it was put into operation. |
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