电力系统新型信息传输方式综述

Overview of New Information Transmission Methods in Power Systems

相比于以传统的RS485/CAN等总线为传输方式的电力系统,新型电力系统对信息传输方式的辐射性,高效性以及功率提出了新的要求。因此,文中首先介绍了常见的信息传输方式,然后从电力电子的本质出发,对信息功率复合调制的原理进行阐述,接下来分析了常见的数字调制方法的优缺点,最后对目前亟待解决的问题和发展前景进行了总结。信息复合调制技术应用较为广泛,与目前灵活、高效、环保的分布式能源相结合,不仅能够提高能源利用效率,降低能源消耗和排放,还能够推动新型电力系统和可再生能源的发展,为实现全球能源可持续发展作出重要贡献。

Compared to power systems that use traditional RS485/CAN buses as transmission methods,the new power system has put forward new requirements for the radiation,efficiency,and power of information transmission methods.Therefore,the article first introduces common information transmission methods,then elaborates on the principle of information power composite modulation from the essence of power electronics,analyzes the advantages and disadvantages of common digital modulation methods,and finally summarizes the current urgent problems and development prospects.The application of information composite modulation technology is quite extensive.When combined with the current flexible,efficient,and environmentally friendly distributed energy,it can not only improve energy utilization efficiency,reduce energy consumption and emissions,but also promote the development of new power systems and renewable energy,making important contributions to achieving sustainable global energy development.