Overview and development of design concepts of AC power sources for measuring test equipment

机译：概述和发展用于测试设备的交流电源设计概念

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This overview presents measures taken during R&D of three-phase AC power sources designed for phantom calibration of electric energy meters. Properties of portable and stationary version of power source, which are directly governed by the measuring requirements of energy meters, unlike conventional applications differ in terms of precision, time stability and total harmonic distortion (THD). The problem is described in detail in the case of four amplifiers with different topological approaches in regard to accuracy and minimum distortion of their output variables. The structure of topologies and the use of unique correction circuit - which is particularly suitable for the elimination of distortion caused by nonlinear loads - are described in detail. Illuminated is also the problem of parasitic DC voltage component, which is particularly acute due to the unbalanced magnetization of all magnetic component, either being the part of power source or device under test.

机译：本概述介绍了在研发用于电能表的幻象校准的三相交流电源期间采取的措施。便携式和固定式电源的属性直接受电表的测量要求支配，与传统应用不同，其精度，时间稳定性和总谐波失真（THD）有所不同。对于四个放大器，在其输出变量的精度和最小失真方面采用不同的拓扑方法时，将详细描述该问题。详细介绍了拓扑结构和独特的校正电路的使用-特别适合消除非线性负载引起的失真。寄生直流电压分量的问题也被照亮了，由于所有磁性分量（作为电源或被测器件的一部分）的磁化不平衡，这一问题尤为严重。

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《2013 8th International Conference-Workshop Compatibility and Power Electronics》|2013年|337-342|共6页
会议地点 Ljubljana(SI)
作者
Zajec P.; Voncina D.;
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University of Ljubljana, Faculty of Electrical Engineering, Sloveniac;

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Overview and development of design concepts of AC power sources for measuring test equipment

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