电感储能脉冲功率源中晶闸管断路开关研究
发布时间：2018-08-16 11:41
【摘要】：脉冲功率源技术作为电磁发射的关键性技术,在最近几十年中得到了快速的发展。脉冲功率源具有高电压、大电流、强脉冲等特点。随着装备小型化的要求越来越高,脉冲功率源技术也面临着提高系统储能密度以减小装置体积的课题。电感储能技术是为应对这个问题而提出的方案。电感储能能够将原有的储能密度提高数十倍甚至上百倍,这也对系统中开关提出了更多的要求。本文研究的是晶闸管在电感储能脉冲功率源中的应用,主要通过下面几方面进行：首先文章介绍了并对比了几种常用的功率半导体器件,阐述选择晶闸管作为断路开关的原因。同时,分析晶闸管的结构,了解晶闸管作为断路开关的特性。其次,从分析电感储能脉冲功率源的拓扑结构,并采用Simplorer 11.0仿真软件进行仿真。通过改变电路中的初始参数来分析晶闸管的关断特性,从而确定影响晶闸管关断的因素,为实验装置选择以及设置初始参数提供参考。然后,设计与测试晶闸管的触发模块。晶闸管的通流能力与触发信号有直接的联系。在脉冲功率系统中,需要按照系统要求设计驱动电路,来控制电路的充电与放电。最后,测量不同初始条件下系统中的电流与电压,并将测量的结果与仿真数据对比分析,得出晶闸管的在电感储能脉冲功率系统中的关断特性。本文研究了晶闸管的关断特性,为晶闸管在电感储能脉冲功率源中的应用提供了参考。
[Abstract]:As the key technology of electromagnetic emission, pulse power source technology has been developed rapidly in recent decades. Pulse power source has the characteristics of high voltage, high current and strong pulse. With the increasing demand for miniaturization of equipment, the pulse power source technology is faced with the problem of increasing the energy storage density of the system to reduce the device volume. Inductive energy storage technology is proposed to deal with this problem. Inductance energy storage can increase the energy storage density by tens times or even hundreds times, which puts forward more requirements for switches in the system. In this paper, the application of thyristor in the inductance energy storage pulse power source is studied, mainly through the following aspects: firstly, several common power semiconductor devices are introduced and compared, and the reasons why thyristors are chosen as open circuit switches are expounded. At the same time, the structure of thyristor is analyzed, and the characteristics of thyristor as open circuit switch are understood. Secondly, the topology of the inductance energy storage pulse power source is analyzed, and the simulation software Simplorer 11.0 is used to simulate it. By changing the initial parameters of the circuit to analyze the turn-off characteristics of the thyristor, the factors affecting the turn-off of the thyristor are determined, which provides a reference for the selection of the experimental device and the setting of the initial parameters. Then, the trigger module of thyristor is designed and tested. The thyristor's current capacity is directly related to the trigger signal. In the pulse power system, the drive circuit should be designed according to the system requirements to control the charge and discharge of the circuit. Finally, the current and voltage in the system under different initial conditions are measured and compared with the simulation data. The turn-off characteristics of the thyristor in the inductive energy storage pulse power system are obtained. The turn-off characteristic of thyristor is studied in this paper, which provides a reference for the application of thyristor in the inductive energy storage pulse power source.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TN34
本文编号：2185876
[Abstract]:As the key technology of electromagnetic emission, pulse power source technology has been developed rapidly in recent decades. Pulse power source has the characteristics of high voltage, high current and strong pulse. With the increasing demand for miniaturization of equipment, the pulse power source technology is faced with the problem of increasing the energy storage density of the system to reduce the device volume. Inductive energy storage technology is proposed to deal with this problem. Inductance energy storage can increase the energy storage density by tens times or even hundreds times, which puts forward more requirements for switches in the system. In this paper, the application of thyristor in the inductance energy storage pulse power source is studied, mainly through the following aspects: firstly, several common power semiconductor devices are introduced and compared, and the reasons why thyristors are chosen as open circuit switches are expounded. At the same time, the structure of thyristor is analyzed, and the characteristics of thyristor as open circuit switch are understood. Secondly, the topology of the inductance energy storage pulse power source is analyzed, and the simulation software Simplorer 11.0 is used to simulate it. By changing the initial parameters of the circuit to analyze the turn-off characteristics of the thyristor, the factors affecting the turn-off of the thyristor are determined, which provides a reference for the selection of the experimental device and the setting of the initial parameters. Then, the trigger module of thyristor is designed and tested. The thyristor's current capacity is directly related to the trigger signal. In the pulse power system, the drive circuit should be designed according to the system requirements to control the charge and discharge of the circuit. Finally, the current and voltage in the system under different initial conditions are measured and compared with the simulation data. The turn-off characteristics of the thyristor in the inductive energy storage pulse power system are obtained. The turn-off characteristic of thyristor is studied in this paper, which provides a reference for the application of thyristor in the inductive energy storage pulse power source.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：TN34
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