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介绍了一种以LPC1768型ARM微处理器为核心的备用电源自动投入系统。结合煤矿变电站中采用的单母线分段接线形式,详细阐述了系统的硬件结构,相关功能模块的实现,对采样频率自动跟踪的算法进行了改进,完成了相关的软件设计。
Introduced a kind of LPC1768 ARM microprocessor as the core of the standby power automatic input system. Combined with the single-bus segment wiring used in coal-mine substations, the hardware structure of the system and the realization of related functional modules are elaborated. The algorithm of automatic tracking of sampling frequency is improved and the related software design is completed.