| 光纤隔离驱动在电磁发射机中的应用 |
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| 引用本文： | 赵俊丽,付志红,谢品芳. 光纤隔离驱动在电磁发射机中的应用[J]. 电力电子技术, 2008, 42(7) |
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| 作者姓名： | 赵俊丽 付志红 谢品芳 |
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| 作者单位： | 重庆大学,四川,重庆,400044 |
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| 基金项目： | 国家自然科学基金 , 重庆市自然科学基金 |
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| 摘 要： | 为了实现对电磁发射机中功率器件的高精度控制,提出了采用光纤连接的方法实现功率驱动PWM信号的传送。设计了由HFBR-1527发送器、HFBR-2526接收器和高速驱动芯片TC4452组成的高速光纤隔离驱动电路。实验结果表明,该光纤驱动电路能够实现PWM信号的精确传送,延迟时间在100ns以内,抗干扰能力强。该高速光纤隔离驱动电路已经在电磁发射机的开发中得到应用。
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| 关 键 词： | 发射机 脉宽调制 驱动/光纤连接 发送器 接收器 |
Application of Optical Fiber Isolation Drive in Electromagnetic Transmitter |
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| ZHAO Jun-li,FU Zhi-hong,XIE Pin-fang. Application of Optical Fiber Isolation Drive in Electromagnetic Transmitter[J]. Power Electronics, 2008, 42(7) |
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| Authors: | ZHAO Jun-li FU Zhi-hong XIE Pin-fang |
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| Abstract: | To control the power device accurately,a method using optical fiber link is proposed to transmit the PWM sig- nals.A high-speed optical isolated drive circuit which is composed by HFBR-1527,HFBR-2526 and TC4452 is devel- oped.Experiment has proved the PWM signals can be transferred precisely,delay is less than 100 ns and EMI immunity is im-proved.This circuit has been applied in development of Electromagnetic transmitter. |
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| Keywords: | transmitter pulse width modulation drive / optical fiber link transmitter receiver |
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