交直流混合配电网典型接线与运行方式研究  

Research on Typical Connection and Operation Mode of AC-DC Hybrid Distribution Network

作　　者：宋伟 陶勇 梁华敏 SONG Wei;TAO Yong;LIANG Huamin(NARI Group Co.,Ltd.(State Grid Electric Power Research Institute Co.,Ltd.),Nanjing 211111,China;State Grid NARI Nanjing Control System Co.,Ltd.,Nanjing 210032,China;Nanjing University of Posts and Telecommunications,Nanjing 210023,China)

机构地区：[1]南瑞集团有限公司(国网电力科学研究院有限公司),江苏南京211111 [2]国电南瑞南京控制系统有限公司,江苏南京210032 [3]南京邮电大学,江苏南京210023

出　　处：《电器与能效管理技术》2021年第4期16-23,共8页Electrical & Energy Management Technology

摘　　要：在交、直流配电网的基础上,提出了交直流不同的接口方式;针对张北交直流配电网及柔性变电站示范工程的一期工程与终期工程,在不同的运行方式下,提出不同的切换原则与相应的转换方式。结果表明,对不同系统运行模式下柔性直流变电站各设备的控制模式进行无缝切换,可提高整个系统的可靠性。On the basis of AC and DC power distribution network,this paper proposed the different AC-DC interface ways,and then for Zhangbei AC-DC power distribution network and the flexible substation demonstration project first phase and the final phase,under the different operation modes,put forward different switching principle and the corresponding transformation method.The results show that the seamless switching of the flexible DC transformer substation equipment control model of different system operation mode,can improve the reliability of the whole system.

关 键 词：交流配电网 直流配电网 接线方式 接口方式 无缝切换 

分 类 号：TM732[电气工程—电力系统及自动化]