| 大电流电流源实现方法 |
| |
| 引用本文： | 卢玉宇.大电流电流源实现方法[J].福建农林大学学报(自然科学版),2008,37(3):329-333. |
| |
| 作者姓名： | 卢玉宇 |
| |
| 作者单位： | 福建农林大学机电工程学院,福建,福州,350002 |
| |
| 摘 要： | 提出2种大电流可控电流源方法:对于输出中小电流电流源,对通用的串联式线性调整可控电流源进行改进,降低调整管的温升;对于输出大电流的电流源,采用PWM控制方法,使调整管工作处于开关状态,调整管的功耗很小,温升低.根据上述方法,分别制作1台样机并进行性能测试,实践证明这2种方法是可行的.
|
| 关 键 词： | 电流源 Buck变换器 脉宽调制(PWM) |
| 文章编号： | 1671-5470(2008)03-0329-05 |
| 修稿时间： | 2007年1月19日 |
Realization methods of strong electric current source |
| |
| LU Yu-yu.Realization methods of strong electric current source[J].Journal of Fujian Agricultural and Forestry University,2008,37(3):329-333. |
| |
| Authors: | LU Yu-yu |
| |
| Abstract: | In order to control electric current source and decrease the temperature of power transistor, two improved methods of serial linear controllable electric current source were put forward.With PWM control method,the power transistor operared under switching condition,therefore both the power-consumption and temperature increase were low.Prototypes were made and their performances were determined by above methods.Test results showed that these methods were feasible. |
| |
| Keywords: | electric current source Buck convertor pulse-width modulation(PWM) |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
