Harmonic Power Standard of VTT MIKES

被引:4
|
作者
Lehtonen, Tapio A. [1 ]
机构
[1] VTT Tech Res Ctr Finland Ltd, Ctr Metrol MIKES, Espoo 02150, Finland
关键词
Current measurement; measurement; measurement standards; measurement uncertainty; power measurement; voltage measurement; CURRENT SHUNTS;
D O I
10.1109/TIM.2018.2880056
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper describes the new single-phase harmonic power standard developed at VTT MIKES. The standard is based on a custom digitizer, which is designed for both laboratory and on-site power metrology. Test signals are generated using a dual-channel arbitrary function generator, a voltage amplifier, and a transconductance amplifier. The reference voltage and current measurements are, respectively, based on a capacitive-resistive voltage divider and two different types of resistive shunt designs. Thorough characterization of the components is presented. Finally, a tentative uncertainty budget is drawn up for frequencies 53 Hz, 1 kHz, 10 kHz on power factors 1.0 and 0.0. The standard has an expanded uncertainty of 32 and 157 mu W/VA at 10 kHz for power factors of 1.0 and 0.0, respectively.
引用
收藏
页码:2047 / 2052
页数:6
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