基于硬件同步采样法的工频电参数测量方法  

Measurement method of AC electric parameters based on hardware synchronus sampling measurement

作　　者：付家才[1] 

机构地区：[1]黑龙江科技学院电气与信息工程学院,哈尔滨150027

出　　处：《黑龙江科技学院学报》2012年第3期269-272,204,共4页Journal of Heilongjiang Institute of Science and Technology

摘　　要：为准确测量工频电参数,采用硬件同步数字采样方法设计了工频电参数测量系统,提出了测量无功功率及频率的新方法,给出了将频率线性转化为直流电压测量的数学公式及测量方法的理论误差估计公式。工频电参数测量系统系统误差分析表明,该系统可以实现对工频电参数的准确测量。Aimed at accurately measuring AC electric parameters, this paper introduces the design of the measurement system of AC electric parameters, based on the hardware synchronous sampling measurement, proposes a novel method for measuring reactive power and frequency, and presents the math expression designed for translating linear frequency into DC voltage, and the expression of theoretical error of the frequency measurement. The analysis of the system error derived from the measurement system of AC electric proves that the measurement system promises to accurately measure AC electric parameters.

关 键 词：硬件同步采样 测量系统 频率测量 系统测量误差 

分 类 号：TM933[电气工程—电力电子与电力传动]