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发明名称
数字运算的集合型电子电度表
摘要
本发明通过将电流和电压信号脉冲化,采用数字运算部件进行电能运算,并利用集合型结构特点,节省多个可共用部分,廉价地实现高精度电能测量的数字化、集成化、自动化、多功能化。
申请公布号
CN1112680A
申请公布日期
1995.11.29
申请号
CN94106068.3
申请日期
1994.05.26
申请人
黎民
发明人
黎民
分类号
G01R22/00
主分类号
G01R22/00
代理机构
代理人
主权项
1、一种采用数字运算的集合型电子电度表,其特征在于:电流和电压模拟信号可通过脉冲宽度调制(即PWM)或脉冲频率调制(即PFM)转换为脉冲化电流和电压信号,产生对应的脉冲化调宽脉冲(PWM波)或调频脉冲(PFM波),在电能运算器中实现乘法和积分,并输出电能信号;若干同相电流信号可共用同一对应相脉冲化电压信号进行电能运算;。
地址
519000广东省珠海市香洲区东风里191号
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