| 移相控制芯片UC3879在金属热处理感应加热电源中的应用 |
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| 引用本文： | 薛峰. 移相控制芯片UC3879在金属热处理感应加热电源中的应用[J]. 价值工程, 2010, 29(24): 214-216 |
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| 作者姓名： | 薛峰 |
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| 作者单位： | 中国有色矿业集团有限公司,北京,100029 |
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| 摘 要： | 本课题主要以串联谐振型感应加热电源为研究对象,通过移相谐振全桥软开关控制器UC3879对逆变侧电源设计了零电压全桥移相控制电路。获得了与理论相吻合的PWM移相波形,实现了输出波形0°-180°范围的移相;通过实验分析,验证了参数设计的正确性,揭示了元件参数对移相控制的影响规律,并对振荡参数、死区时间等重要参数进行了优化设计。
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| 关 键 词： | 感应加热 移相调功 软开关电源 UC3879 优化设计 |
The Application of Phase-shifting Control Chip UC3879 in Induction Heating Power Supply |
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| Xue Feng. The Application of Phase-shifting Control Chip UC3879 in Induction Heating Power Supply[J]. Value Engineering, 2010, 29(24): 214-216 |
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| Authors: | Xue Feng |
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| Affiliation: | Xue Feng ( China Nonferrous Metal Mining( Group )Co., Ltd., Beijing 100029, China) |
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| Abstract: | In this thesis, the series resonant induction heating power supply is mainly discussed. Adopting phase-shifting control chip UC3879, full-bridge zero-voltage-switching control circuit is designed in this paper. The phase-shifting PWM waveform, which is consistent with theoretical analysis, is obtained,and phase-shitting range from 0° to 180° degree is realized. Correctness of parameter design is verified through experimental analysis. Influence regularity of component on phase-shifting control is put forward, and some important parameters are optimized such as oscillation parameters and delay time. |
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| Keywords: | UC3879 |
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