【摘要】 介绍基于3片CS5460A芯片级联作为数字采集的电参量测量仪表,从软件和硬件两个方面分析智能数字式三相交流电参量测量仪表的组成和工作原理,提出了一种新的接线端子配置方案以及对应的各个电参量测量的计算方法,并提出了几条抗干扰措施。经过投产和用户验证,该设计能有效地测量三相工频信号的各个参数。更多还原

【Abstract】 Introduces the measurement of electric quantities which is based on 3 slices of CS5460A chip paralled as digital collection, and analysises the construction and work principle of the intelligent digitial three-phase AC measurement of electric quantities from the perspective of software and hardware,making a great effort to explain the joint of the parameter and the calculation of every electric quantities,at last,put forward some anti-interference measures.Instrument being put into production and application prove that the design can measure the parameters of three-phase power singal effectively.更多还原