單相交-直-交變頻電路的設(shè)計(jì)及性能研究

1、 AbstractAbstractWith the rapid development of power electronics technology, computer technology, automatic control technology, single-phase orthogonal frequency system has been developing rapidly, its remarkable

2、 frequency capability, a wide range of applications, perfect protection, as well as easy to implement the conversion function, has been recognized by the majority of users in the safe and reliable operation, installa

3、tion, repair and maintenance, etc., but also to bring users great convenience.Research of single phase AC- DC - AC inverter circuit design divided into the main circuit and control circuit, which can be divided int

4、o the main circuit rectifier circuit, filter circuit and single-phase bridge PWM inverter circuit, and inverter control part of the need to use circuit, the control circuit is divided into a control circuit, drive

5、 circuit and protection circuit. Subject rectifier bridge rectifier using uncontrollable; filtering section using LC low-pass filter to obtain a high-frequency sine wave AC output; inverter part of the single-

6、phase bridge inverter circuit composed of four IGBT tube. Monolithic integrated control circuit ICL8038 function generator core designed to generate two PWM signals to control the two pairs of IGBT; drive circuit is

7、the use of integrated driver chip M57962L with electrical isolation; protection circuit uses dual D flip-flop CD4013. Using MATLAB software simulation of the design of the circuit, in which the purely resistive load an