| 中压直流配电网应用场景与系统设计 |
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| 引用本文： | 韩民晓,谢文强,曹文远,张伟,杨景刚.中压直流配电网应用场景与系统设计[J].电力系统自动化,2019,43(23):2-11. |
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| 作者姓名： | 韩民晓 谢文强 曹文远 张伟 杨景刚 |
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| 作者单位： | 华北电力大学电气与电子工程学院,北京市,102206;中国电力科学研究院有限公司,北京市,100192;国网江苏省电力有限公司电力科学研究院,江苏省南京市,211103 |
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| 基金项目： | 国家重点研发计划资助项目(2018YFB0904700) |
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| 摘 要： | 目前,中压直流配电网的应用场景、基本特性及其系统设计还缺乏系统性论述。首先,从供电能力、互联作用、相互支撑、短路电流抑制作用等系统特性方面论述了中压直流配电网的应用场景、特点及优势。然后,从工程实现的角度论述了中压直流配电网设计的关键技术,涵盖电压水平的确定、网架设计、接线方式、接地方式的选择等关键技术。最后,指出了中压直流配电系统发展与应用还应考虑的问题。
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| 关 键 词： | 中压直流配电网 供电能力 互联 短路电流抑制 系统设计 |
| 收稿时间： | 2019/3/20 0:00:00 |
| 修稿时间： | 2019/11/1 0:00:00 |
Application Scenarios and System Design of Medium-voltage DC Distribution Network |
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| HAN Minxiao,XIE Wenqiang,CAO Wenyuan,ZHANG Wei and YANG Jinggang.Application Scenarios and System Design of Medium-voltage DC Distribution Network[J].Automation of Electric Power Systems,2019,43(23):2-11. |
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| Authors: | HAN Minxiao XIE Wenqiang CAO Wenyuan ZHANG Wei and YANG Jinggang |
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| Affiliation: | School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China,School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China,School of Electrical and Electronic Engineering, North China Electric Power University, Beijing 102206, China,China Electric Power Research Institute, Beijing 100192, China and Electric Power Research Institute of State Grid Jiangsu Electric Power Co., Ltd., Nanjing 211103, China |
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| Abstract: | The application scenarios, basic characteristics and system design of medium-voltage DC distribution network are lack of systematic discussion. Firstly, the system characteristics of power supply capacity, interconnection, mutual support and short-circuit current suppression are discussed to show the application scenarios, characteristics and advantages of medium-voltage DC distribution network. Then, key technologies of design for medium-voltage DC distribution network are also given in the view of engineering realization, including the determination of voltage level, grid design, wire model and grounding mode selection. Finally, the problems that should be considered in the development and application of medium-voltage DC distribution system are presented. |
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| Keywords: | medium-voltage DC distribution network power supply capability interconnection short-circuit current suppression system design |
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