范文编号:ZD689 范文字数:13138,页数:36 摘 要 随着电力系统电量的日益扩大和电压运行等级的不断提高,传统的电量检测系统暴露出越来越多的缺点,难以满足现代电网向自动化、数字化发展的需要。
With the growing power system capacity and the increasing level voltage operation, the traditional amount of power detection system weaknesses exposed more and more difficult to meet the modern power grid to the automation, digital development. This paper outlines the WB series AC power sensor working principle and the work of technical indicators, and made the hardware system design, including control circuits, modules conversion component, keyboard part, LED showed that some aspects of the design. Then introduced the ADC0809 and the 74HC595 in the electronic interface properties, while the structural principles and functions of cell division was analyzed and studied, the suitable range of data conversion software by. Through analysis and research, the design of software systems, the most critical issue is A / D conversion process of design, the main program and subroutine program flow. KEYWORDS A/D conversion chip 74HC595SCM ADC0809 LED display chip 目 录 中文摘要 I 4 软件系统设计 19
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