电能功率现场测量方法的计量性能

在功率测量原理的基础上,讨论了前端加源测值法和后端同步测值法的原理和特点,通过现场电能功率不同测量接入方式下的计量性能试验,并根据试验结果和不确定度的分析评定,指出两种方法的电能功率现场测量的计量差异,验证了两种现场功率测量方法计量性能一致性,对电能功率的现场测量工作具有参考价值。

Research on metrological performance of electric power on-site measurement methods

This article aims to analyze and to compare the measurement performance of electric power on-site measurement methods.On the basis of the power measurement principle,and discusses the principles and characteristics of the front-end source value measurement method and the back-end synchronization source measurement method,through the measurement performance test under different measurement access modes of electric power on-site measurement, and according to the test results and uncertainty analysis of evaluation, points out the measurement difference between the two kinds of methods of electric power on-site measurement,and verify consistency of performance of the two methods for electric power on-site measurement,and there is the technical reference value to the electric power on-site measurement.