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基于ATT7022B的农村电网综合监控仪表

The Integrated Monitoring Instruments for Rural Power Network Based on ATT7022B
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摘要 针对目前农村电网监控系统不完善及广泛采用A/D+MCU方式的电能参数监测仪表电路复杂、CPU计算量大、实时性不好等缺点,研制了一种基于高精度三相电能专用计量芯片ATT7022B和抗干扰能力强的AVR单片机Mega128的新型农村电网综合监测仪表。给出了硬件原理图和软件设计流程图;重点讨论了电能芯片数据的处理和校表方法。实际运行结果表明,该仪表具有测量精度高、实时性强、人机界面良好和通讯功能强大等特点。 Energy parameter monitoring instrument that adopted the mode of A/D + MCU widely has the defects of complex circuit, great amount of computation of CPU, and low real - time capacity, and also has imperfect of the rural power network monitoring system, so a new integrated electrical power monitoring instrument for rural power network is developed based on high precision three -phase energy metering IC ATT7022B and high ant -jamming AVR single chip Mega128 as MCU. The detailed hardware circuit diagram and software flow chart are presented in the paper, meanwhile the data - processing of energy metering chip and the calibration method are mainly discussed. The practical running results have proved that this measuring instrument has high measuring accuracy, strong real - time capacity, favorable human - machine interface and powerful communication capabilities.
出处 《农机化研究》 北大核心 2009年第8期71-74,共4页 Journal of Agricultural Mechanization Research
基金 2006江苏省高校成果产业推进工程指导性计划项目(JHZD06-42) 常州市青年科技人才培养计划(CQ2008009)
关键词 农村电网 监控仪表 ATT7022B 数据处理 校准 rural power network monitoring instruments ATT7022B data processing calibration
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