晶闸管课程设计说明书

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1、 课程设计说明书课程设计说明书 电力电子技术课程设计 院 、 部： 电气与信息工程学院 学生姓名： 指导教师： 职称 副教授 专 业： 自动化专业 班 级： 自本 1103 班 完成时间： 2014 年 5 月 28 日 摘 要 普通晶闸管是半控型电力电子器件。为了使晶闸管由阻断状态转入导通状 态，晶闸管在承受正向阳极电压的同时，还需要在门极加上适当的触发电压。控 制晶闸管导通的电路称为触发电路。 触发电路常以所组成的主要元件名称进行分 类，包括简单触发电路、单结晶体管触发电路、晶体管触发电路、集成电路触发 器和计算机控制数字触发电路等。 控制 GTR、GTO、功率 MOSFET、IGBT 等

2、全控型器件的通断则需要设置 相应的驱动电路。基极（门极、栅极）驱动电路是电力电子主电路和控制电路之 间的接口。采用性能良好的驱动电路，可使电力电子器件工作在较理想的开关状 态，缩短开关时间，减少开关损耗。另外，许多保护环节也设在驱动电路或通过 驱动电路来实现。 触发电路与驱动电路是电力电子装置的重要组成部分。为了充分发挥电力 电子器件的潜力、保证装置的正常运行，必须正确设计与选择触发电路与驱动电 路。 关键词： 半控型；触发脉冲；触发信号；触发电路 ABSTRACT Ordinary thyristor - controlled power electronic devices. In ord

3、er to make ththyristor by blocking state to the conduction state, thyristor under forward anode voltage at the same time, also need to add the appropriate gate trigger voltage. Control circuit of the thyristor is called the trigger circuit. The trigger circuit is often classified as main component n

4、ame, including simple trigger circuit, trigger circuit of the unijunction transistor trigger circuit, transistor, integrated circuit trigger and computer control digital trigger circuit. Control of GTR, GTO, power MOSFET, IGBT full controlled devices off you need to set the corresponding driving cir

5、cuits. Base (gate, gate drive circuit between power) is the main circuit and control circuit of the electronic interface. The driving circuit with good performance, can make the power electronic devices work in the switch state of ideal, shorten the switching time, reduce the switching loss. In addi

6、tion, many protection link is located in the drive circuit or to achieve through the drive circuit. Trigger circuit and drive circuit is an important part of power electronic device. In order to ensure the normal operation and give full play to the potential of power electronic devices, device, must correct design and select trigger circuit and drive circuit. The trigger signal of the thyristor can be part of a