Power quality analysis based on a novel nonlinear dependence between parameters of nonsinusoidal regime

被引:0
作者
Andrei, H. [1 ]
Andrei, P. C. [2 ]
Cazacu, E. [2 ]
Stanculescu, Marilena [2 ]
Orboiu, S. [1 ]
机构
[1] Univ Valahia Targoviste, Dept Doctoral Sch, Targoviste, Romania
[2] Univ Politehn Bucarest, Dep Electrotech, Bucharest, Romania
来源
2018 INTERNATIONAL SYMPOSIUM ON FUNDAMENTALS OF ELECTRICAL ENGINEERING (ISFEE) | 2018年
关键词
power quality; nonsinusoidal regime; power factor correction; REACTIVE POWER; COMPENSATION;
D O I
暂无
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
Power quality analysis is one of the most important subjects of every power systems' interconnected parts. In fact, the nonsinusoidal regime represents the real operation mode of all the power systems, due mainly to distribution and consumers. Several parameters of power quality analysis are used by every national power system operator to impose specific standard limits and regulation which ensure optimal conditions of the electrical energy quality. Generally, all the limit values must be respected, even though they indirectly depend on one another. This paper proposes new relations between some parameters of power quality for the case of most common linear and inductive consumers, in order to unify the limits imposed on nonsinusoidal regime. Starting by the definition of relative values of voltage and current harmonics a new nonlinear dependence between the power factor and the total harmonic distortion of voltage and current is established. A quantitative approach of the nonlinear function has been assessed by using Matlab tools. The results are compared and discussed to the measured data for a large industrial consumer in two cases: with and without filters for power factor correction.
引用
收藏
页数:5
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