三相桥式全控整流的仿真及故障原因

三相桥式全控整流电路的MATLAB仿真及其故

障分析

摘要：设计一种以三相桥式全控整流电路的MATLAB仿真及其故障分析。以三相桥式全控整流电路为分析对象，利用Matlab/Simulink环境下的SimPowerSystems仿真采集功率器件在开路时的各种波形，根据输出波形分析整流器件发生故障的种类，判断故障发生类型，确定发生故障的晶闸管，实现进一步故障诊断。运用matlab中的电气系统库可以快速完成对三相整流电路故障仿真，通过分析可以对故障类型给予初步判断，对电力电子设备的开发、运用以及维修有极大的现实意义。

关键词：Matlab；三相整流桥；电力电子故障

Matlab Simulation and Trouble Analysis of the Three-Phase

Full-Bridge Controlled Rectifier

Zhang lu-xia

College of Physics& Electronic Information Electrical Engineering &Automation No: 060544076

Tutor: Wu yan

Abstract: the article introduces a design of Matlab Simulation and Trouble Analysis of the Three-Phase Full-Bridge Controlled Rectifier. using the three-phase full-bridge controlled rectifier circuit for analysis, the output waveform in each kind of fault can be simulated through the circuit with the SimPower Systems under the Matlab/Simulink surroundings, for sure the SCR of having troubles in order to fulfill further

trouble diagnoses. it can finish Matlab Simulation ahout electrical system1quickly and fulfill further trouble diagnoses. it will play an important role in the field of electric power & electron on equipment exploration and maintenance..

key words: Matlab; three-phase rectifier bridge; power electronics trouble

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