摘要： 该电路线路简单，材料要求低，动态范围大，无需A－D转换器，对电力系统的电压信号和电流信号进行采集计算，能自动消除温漂和采样精度造成的误差，可广泛用于电力系统中的电能消耗和电功率测量中。

关键词: 计数器, 电能消耗相对值, 通常时间段, 温漂误差, 动态范围, 采样精度

Abstract: This simple circuit with low material requirement and wide dynamic input voltage range, without A-D transformer, can collect and compute the data of the electric voltage and current in the electric power system, eliminate the error caused by the temperature drift and collecting precision automatically indeed, can widely be used to measure the wastage of the electric energy and electric power in the electric power system.

中图分类号: 

• TP274