Modified Instantaneous Power Theory for Three-Phase Four-Wire Power Systems

被引:0
|
作者
Artemenko, M. Yu. [1 ]
Mykhalskyi, V. M. [2 ]
Polishchuk, S. Y. [2 ]
Chopyk, V. V. [2 ]
Shapoval, I. A. [2 ]
机构
[1] Natl Tech Univ Ukraine, Igor Sikorsky Kyiv Polytech Inst, Dept Acoust & Acoust Elect, Kiev, Ukraine
[2] Natl Acad Sci Ukraine, Inst Electrodynam, Kiev, Ukraine
关键词
instantaneous power theory; three-phase four-wire power system; control strategy; minimum power losses;
D O I
10.1109/elnano.2019.8783629
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
In this paper, the instantaneous power theory of three-phase four-wire power supply systems was further developed by substantiating new determination formulas for instantaneous active current, instantaneous apparent power and instantaneous power factor, considering the dependence from the ratio of transmission line resistances. The use of matrix-vector algebra formulas allowed to obtain a new decomposition of the load current of a three-phase four-wire system for instantaneous active current and compensation current, which is the theoretical basis for the construction of an active filtration system without electric energy storage with the minimum possible power losses in transmission line. A new decomposition of the squares of the instantaneous power modules is obtained, which corresponds to the specified current decomposition, as well as to the new formulas of the instantaneous apparent and vector imaginary power. The results of the computer experiment confirm the adequacy of the proposed new formulas of the modified instantaneous power theory.
引用
收藏
页码:600 / 605
页数:6
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