Research of Energy Feedback VSR
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摘要: 针对二极管整流电路无法实现能量的双向流动问题,提出了一种能量回馈式电压型PWM整流器(VSR)的设计方案,在给出了三相VSR主电路拓扑结构及其一般数学模型的基础上,详细分析了能量回馈式VSR的控制原理,介绍了改进的SVPWM算法的实现,并在Matlab/Simulink中建立了仿真模型。仿真结果表明,该VSR稳定性好、动态响应速度快,实现了能量的双向流动。Abstract: In view of the problem that diode rectifying circuit ca't realize bidirectional flow of energy, the paper proposed a design scheme of energy feedback VSR. On the basis of topology of main circuit and mathematical model of three-phase VSR, it analyzed control principle of the energy feedback VSR in details, and introduced implementation of improved SVPWM algorithm. At last it built simulation model in Matlab/Simulink. The simulation result showed that the VSR has good stability and quick dynamic response speed and realizes bidirectional flow of energy.
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Key words:
- voltage PWM rectifier, SVPWM, energy feedback, VSR /
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