国家提出“互联网+”的行动以来,各行各业纷纷利用互联网的思维来提升企业的竞争力。处于能源行业中的传统电力企业,则依靠互联网技术(包括云计算、大数据技术、物联网和移动互联网等)来促进传统电网向智能电网的转变。文章首先概述了这些互联网技术的基本概念和主要特征;然后,展望了这些新技术在电力系统中的应用前景;最后,讨论了电力系统互联网技术应用中有待解决的几个重要问题。 Since the state proposed “Internet + ” action, all walks of life have used the Internet to improve the competitiveness of enterprises. Traditional power companies in the energy industry rely on Internet technologies, including cloud computing, big data technology, the Internet of Things and the mobile Internet, to promote the shift from traditional to smart grid. The article first outlines the basic concepts and main features of these Internet technologies. Then, prospects of these new technologies in the power system are forecasted. Finally, several important issues to be solved in the application of Internet technology in power systems are discussed.