Smart power grid is required to achieve the instant transfer and wide share of information. To realize the purpose, a method of wireless access based on a new 3G standard-WiMax is introduced. The basic communication architecture of the grid is proposed in terms of the characteristics of smart grid. According to the architecture and features of WiMax, a corresponding WiMax communication program is put forward, which can facilitate the transfer and share of information through wireless access and hierarchical management mode, and drastically promote the automation and interaction of the grid. Examples of application of this method in electricity system are analyzed. The prospect and some anticipated problems are discussed.%智能电网要求实现信息的快速传递与高度共享,为达到此目的,研究了3G技术新标准--WiMax下的无线接入方法.首先,根据智能电网特性提出了智能电网基本通信体系架构;然后结合WiMax技术的特点提出了相应的WiMax电网通信方案,该方案通过无线接入方式以及分级分层管理模式可实现系统中信息的共享与即时传输,极大地提高了电网的信息化、互动化水平.最后对此项技术在电力系统中的运用进行了例证分析及前景展望,对可能存在的问题进行了分析与探讨.
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