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The controlled rectifier circuit simulation study has been conducted in this paper with the MATLAB7.0 Simulink power system simulation model, the paper provides analysis waveform of a single phrase full control bridge resistive load circuit, provides the circuit’s MATLAB simulation model diagram and the simulation waveform, and in this paper simulation waveforms and theory analysis waveforms were analyzed and compared. The results of simulation show that the model is correct. It is proved that the proposed model is convenient, flexible, convenient, intuitive, thus it provides an effective and auxiliary tool for the teaching of power electronics and experiments Introduction Rectifier circuit, especially single phase bridge controlled rectifier circuit, is the most important circuit in power electronics technology, and it is also the most widely applicable circuit, the circuit is not only used in the general industry, but it is widely used in other fields, including transportation, power system, communication system, energy system etc. It has practical significance to do comparative study on single phase bridge controlled rectifier circuit parameters, because it is not only a critical link in power electronic circuits theory learning, but has the predicting and guiding effect in the actual application of engineering practice. The visual simulation tool provided Matlab, Simulink, can establish the circuit simulation model directly, and it can change the parameters of the simulation at will, and the simulation result could be got immediately, and it has the feature of strong visuality, further eliminating the steps of programming. 。As a new kind of high performance language, Matlab provides an ideal tool for the research and application of power electronic technology. Theoretical Analysis The single phrase full control bridge resistive load circuit principle diagram is shown in Figure 1: Figure1 The single phrase full control bridge resistive load circuit principle diagram VT1 and VT4 constitute a pair of bridge arm, and it withstands voltage U2 in the U2 positive half cycle, and when there has the trigger pulse, it turns on, when there has the zero crossing U2, it turns off. VT2 and VT3 constitute another pair of bridge arm, and it withstands voltage -u2 in the U2 4th International Conference on Advanced Materials and Information Technology Processing (AMITP 2016) © 2016. The authors Published by Atlantis Press 294 positive half cycle, and when there has the trigger pulse, it turns on, when there has the zero crossing U2, it turns off. From the above theoretical analysis, the theoretical analysis waveform of the single phrase full control bridge resistive load circuit is shown in Figure 2. d u is the load R voltage and d i is the load current. 4 , 1 VT u is the voltage of thyristor 1 VT and 4 VT , 2 i is the current flowing through the transformer T. Figure 2 the theoretical analysis waveform of the single phrase full control bridge resistive load circuit The theoretical analysis shows that the average value of the output DC voltage d u is: 2 cos 1 9 . 0 2 cos 1 2 2 ) ( d sin 2 1

A Simulation Research on Single Phase Bridge Full Control Resistive Load Rectifying Circuit Based on MATLAB