CAJ | 학술논문

功率变换器是开关磁阻电动机驱动系统的重要组成部分，其性能的好坏将直接影响电动机的工作效率和可靠性。介绍了一种新型无源升压功率变换器，对其结构原理及工作特性进行了分析，并在MATLAB／simulink环境下对四相8／6极开关磁阻电动机进行了仿真研究，仿真结果表明，新型功率变换器可以显著地增大启动转矩，同时缩短电流的续流时间，降低制动转矩，提高了系统的效率和动态性能。
공솔변환기시개관자조전동궤구동계통적중요조성부분，기성능적호배장직접영향전동궤적공작효솔화가고성。개소료일충신형무원승압공솔변환기，대기결구원리급공작특성진행료분석，병재MATLAB／simulink배경하대사상8／6겁개관자조전동궤진행료방진연구，방진결과표명，신형공솔변환기가이현저지증대계동전구，동시축단전류적속류시간，강저제동전구，제고료계통적효솔화동태성능。
As an important part of the switched reluctance motor driver system , the performance of the power converter can affect the efficiency and reliability of motor directly .This paper presents a novel passive boost power converter and its analysis of the structure and characteristics .A control simulation model for a four-phase 8/6 pole switched reluctance motor is built up in Matlab/Simulink environment .The simulation results show that the novel converter can greatly increase the starting torque , shorten the freewheeling time , reduce the braking torque and improve the efficiency and dynamic performance of the system .