Y-Connected Three-Leg Converters Applied in Three or Four-Wire Shunt Compensator

被引:10
|
作者
Lopes Fabricio, Edgard Luiz [1 ]
Jacobina, Cursino Brandao [2 ]
Vitorino, Montie Alves [2 ]
de Rossiter Correa, Mauricio Beltrao [2 ]
机构
[1] Fed Inst Paraiba, Acad Unity Control & Ind Proc Dept, BR-58015430 Joao Pessoa, Paraiba, Brazil
[2] Univ Fed Campina Grande, Dept Elect Engn, BR-58429900 Campina Grande, Brazil
关键词
Active filters; converters; power conversion harmonics; power electronics; power quality; ACTIVE-POWER-FILTER; TOPOLOGY; MODEL;
D O I
10.1109/TIA.2016.2551701
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper investigates power shunt filter topologies composed of three standard three-leg converters applied in either three or four-wire system. Compared with the usual three-phase shunt filter, the proposed ones allow us to reduce dc-link voltages, harmonic distortion or/and the semiconductor losses, and fault tolerant operation. Suitable control strategies to adjust filter and circulating currents, as well as the three dc-link voltages are presented. Two pulse-width modulation techniques are developed for the proposed topologies in order to achieve the best voltage-pulse pattern. Comparisons between these techniques are carried out in this paper. Simulation and experimental results are presented to validate the theoretical approach.
引用
收藏
页码:3245 / 3254
页数:10
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