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高敏感用户供电质量综合提升装置拓扑及参数设计 被引量:3

Topology and parameter design of power supply quality comprehensive improvement device for highly sensitive users
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摘要 为满足大容量高敏感用户的供电质量需求,提出了一种含储能的源-荷隔离的级联H桥拓扑结构和一种考虑级联H桥冗余的关键参数设计方法,研制了一套容量为1 MV·A高敏感用户供电质量综合提升装置。基于电网模拟器搭建了装置性能测试平台,测试了电网发生各种供电质量事件时装置的输出性能。测试结果表明:该拓扑能够自动实现电网和储能供电的无缝切换,为高敏感用户综合供电质量的提升提供有效方法;所提参数设计方法能够减少储能投入次数,延长了储能寿命。 In order to meet the high demand of power supply quality for large capacity and highly sensitive users,a topology structure of cascade H-bridge with energy storage and source-load isolation and a design method of key parameters considering the redundancy of cascade H-bridge are proposed.A set of power supply quality improvement device with the capacity of 1 MV·A for highly sensitive users is developed.Based on power grid simulator,the device performance test platform is built to test the output performance of the device in case of various power supply quality events.The test results show that the proposed topology can automatically realize seamless switching between power grid and energy storage power supply,and provide an effective method for improving the comprehensive power supply quality of highly sensitive users.The proposed parameter design method can reduce the number of energy storage inputs and extend the energy storage life.
作者 胡伟 沈煜 李小平 杨帆 杨志淳 左文平 HU Wei;SHEN Yu;LI Xiaoping;YANG Fan;YANG Zhichun;ZUO Wenping(Electric Power Research Institute,State Grid Hubei Electric Power Co.,Ltd.,Wuhan 430077,China;School of Electrical and Electronic Engineering,Huazhong University of Science and Technology,Wuhan 430074,China)
出处 《电力自动化设备》 EI CSCD 北大核心 2020年第11期219-224,共6页 Electric Power Automation Equipment
基金 湖北省技术创新专项项目(2019AAA015)。
关键词 供电质量 综合提升 拓扑结构 冗余 参数设计 power supply quality comprehensive improvement topology structure redundancy parameter design
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