A COMPARATIVE ANALYSIS OF METHODS OF MEASURING REACTIVE POWER

被引：1
|
作者：
Zhelbakov, I. N. [1 ]
Serov, A. N. [1 ]
Shatokhin, A. A. [1 ]
机构：
[1] Tech Univ, Moscow Power Engn Inst, Moscow, Russia
来源：
MEASUREMENT TECHNIQUES | 2011年 / 54卷 / 01期
关键词：
ac network; root mean square value; active and reactive powers;
D O I：
10.1007/s11018-011-9684-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A comparative analysis of methods of measuring reactive power for ac networks is carried out. Analytic relations for the systematic error as a function of the current and voltage parameters are obtained. For the method based on a Hilbert converter, the complexities of its practical realization are considered. It is shown that for ac networks, the method based on the discrete Fourier transform of the current and voltage is the most accurate.
引用
收藏
页码：53 / 59
页数：7
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