| 一种高频电磁隔离的驱动方法研究 |
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| 引用本文： | 孙刚,郑金燕,方宇.一种高频电磁隔离的驱动方法研究[J].现代雷达,2016(12):87-90. |
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| 作者姓名： | 孙刚 郑金燕 方宇 |
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| 作者单位： | 南京信息职业技术学院科技处;扬州大学信息工程学院自动化系;扬州大学信息工程学院自动化系 |
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| 摘 要： | 针对电力电子电路高频化应用趋势,提出了一种高频电磁隔离驱动方法。文中分析了基于数字控制芯片和模拟电路实现电磁隔离驱动的工作原理, 具体给出了硬件电路的设计和软件的配置方法。 该电磁隔离驱动方法,能为脉宽连续变化的控制脉冲提供隔离放大,且脉冲占空比能在 0 ~ 1. 0 的范围内进行调节,除了具有绝缘强度高,抑制共模干扰能力强等优点之外,还具有成本低、动态响应速度快的优点,适用于高功率密度要求下电力电子变换器中开关管的驱动。实验结果表明:研究的驱动方法是行之有效的,具有很好的实际应用价值。
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| 关 键 词： | 电磁隔离 驱动电路 占空比 数字控制 |
A Study on High-frequency Electromagnetic Isolated Driving Method |
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| SUN Gang,ZHENG Jinyan and FANG Yu.A Study on High-frequency Electromagnetic Isolated Driving Method[J].Modern Radar,2016(12):87-90. |
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| Authors: | SUN Gang ZHENG Jinyan and FANG Yu |
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| Affiliation: | Department of Science and Technology, Nanjing College of Information and Technology;Department of Automation, College of Information Engineering, Yangzhou University;Department of Automation, College of Information Engineering, Yangzhou University |
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| Abstract: | In view of the high frequency power electronic circuit application trend, a novel driving method implemented with high frequency electromagnetic isolation is proposed in this paper. And the hardware designing schematic diagram and the software configuration method are presented. Then the corresponding operating principle is analyzed in detail based on digital control chip and |
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| Keywords: | electromagnetic isolation driving circuits duty cycle ratio digital control |
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