作　　者： (沈天骄）; (曾成）; (王琦）;

机构地区： 东南大学电气工程学院,江苏南京210096

出　　处： 《电工电气》 2017年第9期6-10,共5页

摘　　要： 虚拟同步机技术可以有效解决大量电力电子变换器接入电力系统带来的欠阻尼和低惯量问题。概括了虚拟同步机技术的起源以及在各国的发展状况,分析了虚拟同步发电机和虚拟同步电动机的拓扑结构及工作原理,阐述了虚拟同步机技术在新能源并网、柔性直流输电、电动汽车等中的具体应用,指出其在优化电力系统运行方式、实现新能源并网设备的即插即用等方面具有广泛的应用前景。 Under-damped and low inertia problems caused by a large number of power electronic converters connected to power systems can be solved by virtual synchronous machine technologies. This paper illustrated the origin and development situation of virtual synchro-nous machine technologies, analyzed the topological structure and working principle of virtual synchronous generators and motors, and ex-pounded the specific application of virtual synchronous machines in territories, such as new energy resources grid connected, voltage source converter based high voltage and electromobile, pointing out that this technology has the extensive application prospect in the fields such as optimal electric power system operation, plug and play of new energy grid connected equipment implement etc.

关 键 词： 虚拟同步机 同步电机 电力系统 虚拟惯量