| 开关电源中脉宽调制原理与实践探讨 |
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| 引用本文： | 方跃春.开关电源中脉宽调制原理与实践探讨[J].长沙民政职业技术学院学报,2002,2(2):51-53. |
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| 作者姓名： | 方跃春 |
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| 作者单位： | 长沙民政职业技术学院,湖南,长沙,410004 |
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| 摘 要： | 本文论述了开关电源的自激振荡和脉宽调制的工作原理,就其稳压的关键提出了新的观点;并针对维修中的难点提供了明确的思路和有效的方法.
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| 关 键 词： | 开关电源 自激振荡 脉宽调制 过流过压保护 |
| 文章编号： | 1671-5136(2002)02-0051-03 |
| 修稿时间： | 2002年3月28日 |
Discussion of the Principle and Practice about the Pulse Width Modulation in Switch-Mode Power Supply |
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| FANG Yue-chun.Discussion of the Principle and Practice about the Pulse Width Modulation in Switch-Mode Power Supply[J].Journal of Changsha Social Work College,2002,2(2):51-53. |
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| Authors: | FANG Yue-chun |
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| Abstract: | In this paper,the work principles of self-oscillation and pulse width modulation in self-oscillating switch-modepower supply are discussed,the principal point is analysed,and a new viewpoint is proposed.As regards difficult pointsof maintenance,a reasonable train of thought and effective methods of maintenance are given. |
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| Keywords: | switch-mode power supply self-oscillation pulse width modulation overcurrent and overvoltage protecting |
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