| 多端柔性直流配电网的可靠性和经济性评估 |
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| 作者姓名： | 陆子凯 简翔浩 张明瀚 |
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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;南方电网国际有限责任公司,广州510663 |
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| 基金项目： | 中国能建广东院科技项目“中低压柔性直流电网关键技术研究”EV04421W |
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| 摘 要： | 目的 随着柔性直流技术发展及越来越多分布式电源和储能设备接入电网，为更好地满足新能源并网和发展城市智能配电网，对柔性直流配电网进行可靠性和经济性评估。 方法 选择了珠海多端柔直配网示范工程拓扑作为研究对象，用最小路法对柔性直流配电系统网络架构进行可靠性计算，并评估柔性直流配电网典型应用场景的经济性。 结果 随着IGBT和IGCT等器件国产化和成熟化，柔直配网的经济性和可靠性将逐渐优于交流配电网。 结论 相关的研究结果将为后续的柔性直流配电网工程提供重要参考和应用依据。
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| 关 键 词： | 多端柔性直流配电网 交流配电网 可靠性 经济性 |
| 收稿时间： | 2020-05-14 |
Reliability and Economy Assessment of Multi-terminal Flexible DC Distribution Network |
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| Affiliation: | 1.China Energy Engineering Group Guangdong Electric Power Design Institute Co.， Ltd.， Guangzhou510663， China2.China Southern Power Grid International Co.， Ltd.， Guangzhou510663， China |
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| Abstract: | Introduction With the development of flexible DC technology and more and more distributed generation and energy storage equipment connected to the grid， in order to better satisfy new energy access and development of urban smart distribution network， this paper assesses the reliability and economy of flexible DC distribution network. Method This paper calculated the reliability assessment of Flexible DC Distribution by Minimum Path Method and evaluated the economy， which selected the demonstration project in Zhuhai as the research object. Result With the localization and maturity of IGBT and IGCT devices， the economy and reliability of Flexible DC Distribution network will gradually be better than that of AC distribution network. Conclusion The relevant research results of this paper can provide important reference and foundation for the construction of flexible DC distribution Network projects in the future. |
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