Smart Grid is the future of power system, which covers generation, transmission, substation, distribution, and utilization, and involves a large number of new electrical equipments and new technologies. The characteristics of equipment and technology in smart gird development were analyzed in the paper. Intelligent equipment and technology of existing and under development were introduced and the impact for smart grid development pointed out. Combining the development characteristics of China power system and the development process of world smart grid, key technologies for China smart grid were proposed.%智能电网是未来电力系统发展方向,作为一个完整的电力系统,智能电网涵盖发、输、变、配、用全流程,各个环节中将涉及大量电力设备.文中简要分析了各环节中智能电力设备发展的特点,并对现有及正在研发的智能电力设备及技术进行介绍,指出在智能电网发展中的影响及重要作用.结合我国电力系统建设的特点和世界智能电网发展进程,提出我国智能电力设备领域需要重点发展的关键技术.
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