1、课程设计说明书课程设计说明书 NO.1 沈 阳 大 学 三相桥式可控整流电路的设计 摘 要 整流电路尤其是三相桥式可控整流电路是电力电子技术中最为重要,也是应用得最 为广泛的电路,不仅应用于一般工业领域,也广泛应用于交通运输、电力系统、通信系 统、能源系统及其他领域。三相可控整流电路中应用最多的是三相桥式可控整流电路。 这次设计主要对三相桥式整流电路进行研究,研究其触发电路原理、主控电路原理及其 产生的波形。在理解三相桥式整流电路工作原理的基础上,设计出合理的三相桥式整流 电路的触发电路,较好的实现整流的功能。触发电路设计方面主要采用单片机控制,单 片机控制可控硅整流电路实质上是通过控制器触发
2、脉冲而实现的,因此单片机以可控硅 为执行元件构成的微机控制。由于单片机集成度高,功能齐全,价格低廉,因此用它控 制三相可控整流电路是理想的方法之一。 关键词关键词:整流电路;触发电路;移相触发脉冲; 单片机控制 课程设计说明书课程设计说明书 NO.2 沈 阳 大 学 Three-Phase Bridge Controlled Rectifier Circuit Design Research And Trigger Circuit Abstract Rectifier circuit is an important power electronics technology and three-
3、phase bridge rectifier circuit which is controlled is the most important .It is used widely in the circuit, not only applies to general industry, also widely used in transportation, power systems, communications systems, energy systems and other areas. Three-phase controlled rectifier circuit is the
4、 most widely used three-phase bridge controlled rectifier circuit. The design of the main three-phase bridge rectifier circuit research, to study the working principle and the resulting waveform.Three-phase bridge rectifier circuit in understanding the basis of the principle design a reasonable thre
5、e-phase bridge rectifier circuit of trigger circuit, the better to achieve rectification function. Trigger circuit design mainly adopts single-chip microcomputer control, SCM control thyristor rectifier circuit is essentially through the controller and the realization of trigger pulse, so the single
6、 chip microcomputer controlled by for the components of the microcomputer control. Because single chip microcomputer high level of integration, the function is all ready, the price is low, so use it silicon controlled rectifier circuit control three-phase is one of the ideal method Keywords: Rectifier circuit;Trigger circuit;Change appearance trigger pulse ;Mcu Control 课程设计说明书课程设计说明书 NO.3 沈 阳 大 学 一 绪论 1.1 设计的目的 整流电路可将交流电源变换成直流电源。将从发电机端或交流励磁机端获得的交流 电压变换成直流电压,供给发电机转子励磁绕组或励