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提出了基于高性能AVR单片机和CAN现场总线的分布式新型变电站RTU的设计方案。然后,给出和分析了各种电力参数的测量算法。介绍了采用PHILIP公司生产的控制器局域网的高度集成的通信控制器SJA1000和82C250作为收发器的CAN总线接口电路的硬件设计方法。
Proposed a new type of substation RTU design based on high performance AVR microcontroller and CAN fieldbus. Then, the measurement algorithms of various power parameters are given and analyzed. Introduces the hardware design method of CAN bus interface circuit using transceiver controller SJA1000 and 82C250 which are made by PHILIP company LAN controller.