MATLAB仿真三相桥式整流电路(详细完美)...docx_三相桥式整流电路资源-CSDN文库

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目录

摘要....................................................................................... - 2 -

Abstract.................................................................................. - 3 -

第一章引言 .......................................................................... - 4 -

1.1 设计背景

....................................................................... - 4 -

1.2 设计任务

....................................................................... - 4 -

第二章方案选择论证 .......................................................... - 6 -

2.1 方案分析

........................................................................ - 6 -

2.2 方案选择

........................................................................ - 6 -

第三章电路设计 ................................................................ - 7 -

3.1 主电路原理分析

............................................................ - 7 -

第四章仿真分析 ................................................................ - 9 -

............................................................... - 9 -

4.1 建立仿真模型

4.2 仿真参数的设置

.......................................................... - 10 -

4.3 仿真结果及波形分析

...................................................- 11 -

第五章设计总结 ................................................................ - 26 -

致谢................................................................................. - 27 -

参考文献............................................................................... - 28 -

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Abstract

At present, all kinds of power electronic converter input rectifier circuit input

power level generally use the uncontrolled rectifier or phase controlled rectifier circuit.

This kind of rectifier circuit is simple in structure, control technology is mature, but

the AC input power factor is low, and the harmonic currents injected a lot to the

power grid. According to estimates, in developed countries 60% of the electric energy

transformed before use, and this figure reached 95% at the beginning of the century.

Power electronic technology has been widely used in electric power system.

According to estimates, the developed countries in the end users to use electricity,

with more than 60% of the electricity at least after more than once in power electronic

converter device. Power system in the modernization process, the power electronic

technology is one of the key technologies. It is no exaggeration to say that, if you

leave the power electronic technology, power system modernization is unthinkable.

With the development of social production and scientific technology, application

of rectifier circuit in the field of automatic control system, the measuring system and

the generator excitation system is more and more widely. Matlab provides a visual

simulation tool Simulink can directly establish circuit simulation model, changing the

simulation parameters, and can immediately get the simulation results of arbitrary,

intuitive, further saves the programming steps. In this paper, Simulink is used to

model the three-phase full-bridge controlled rectifier circuit, the different control

angle, bridge fault conditions are simulated and analyzed, which deepens the

three-phase full-bridge controlled rectifier circuit theory, it also examines the

foundations for modern power electronic experimental teaching lay a good solid.

The curriculum design for the design of thyristor three-phase bridge controlled

rectifier circuit, compared with three phase half wave rectifier circuit, the power of

three-phase bridge rectifier circuit utilization rate higher, more extensive application.

Key words: electronic power

circuit

thyristor

Simulink three-phase bridge rectifier

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