先进并网装置关键技术研究综述

Overview of the Key Technologies for Advanced Grid-connected Devices

随着新能源迅猛发展,多类型并网装置及相关技术涌现而出。面对多类并网装置的选择与使用,能实现自适应控制、即插即用、灵活并网等多种功能的分布式电源并网装置,其相关理论和技术的研究受到了越来越广泛的关注。总体而言,针对各类并网装置特点以及不同优势,在分析分布式电源并网装置发展过程的基础上,对并网装置涉及的关键技术,尤其是各并网变流器的主电路拓扑和多种高性能控制技术等进行了梳理和总结。最后对分布式电源并网装置发展存在的关键制约因素以及发展的趋势进行了总结和展望。

With the rapid development of clear energy,various kind of grid-connected devices and the corresponding technology have emerged. Regarding the selection and application of the above devices,the distributed grid-connected devices have integrated many advanced functions like adaptive control,plug and play and flexible grid-connected. The theoretical and technical research have received grow attention. However,for the different characteristics and advantages of different kinds of grid-connected devices,many issues should be solved. In this paper,based on the analysis of the distribution grid-connected devices,the key techniques of the devices,especially the circuit topology and various advanced control technology have been concluded. Finally the key constraints and development trends of distributed grid-connected devices are summarized and forecasted.