三次谐波对电能计量及中性线的影响

The influence of three times harmonics on electric energy measurement and neutral line

本文就三次谐波对电能计量及中心线的影响进行分析,首先就三次谐波的基本概念、产生原因和主要危害进行分析,然后从电磁式互感器、电容式电压互感器及电能计量装置三方面阐述三次谐波对电能计量的影响,然后分析其对中心线的影响,最后提出一些切实可行的治理措施。

The influence of the three harmonics on the energy metering and the centerline is analyzed in this paper, First, the basic concept, causes and main hazards of the three harmonics are analyzed, Then, from the three aspects of electromagnetic mutual inductor, capacitive voltage transformer and electric energy metering device, the influence of the three harmonic on electric energy metering is expounded, And then analyze its impact on the central line, Finally, some practical measures are put forward.