| 超宽输入电压范围三相开关电源的设计和优化 |
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| 引用本文： | 孙轩,马皓.超宽输入电压范围三相开关电源的设计和优化[J].机电工程,2010,27(4):97-99,107. |
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| 作者姓名： | 孙轩 马皓 |
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| 作者单位： | 浙江大学,电气工程学院,浙江,杭州,310027 |
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| 摘 要： | 针对工业用三相开关电源的宽输入电压范围要求,给出了一款利用LM5021-1实现的超宽输入电压范围的三相开关电源的设计和优化过程,其输入电压范围为线电压有效值40 VAC~450 VAC,提供了9 V/100 mA和12 V/4 W两路直流输出。实验结果表明,该电源具有输入电压范围宽,输入/输出隔离度高、效率较高等优点,可应用于三相电表等电源中。
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| 关 键 词： | 超宽输入电压范围 三相开关电源 LM5021—1 |
Design and optimization of the super wide input voltage range three-phase power supply |
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| SUN Xuan,MA Hao.Design and optimization of the super wide input voltage range three-phase power supply[J].Mechanical & Electrical Engineering Magazine,2010,27(4):97-99,107. |
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| Authors: | SUN Xuan MA Hao |
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| Affiliation: | College of Electrical Engineering;Zhejiang University;Hangzhou 310027;China |
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| Abstract: | Aiming at the requirement of wide input voltage range of three-phase switching power supply used in the industrial applications,the design and optimization of a super wide input voltage range three-phase power supply using LM5021-1 was introduced.The input line voltage range was 40 VAC~450 VAC(rms),two DC outputs of 9V/100mA and 12V/4W were provided.The results indicate that the power supply has the advantages of wide input voltage range,high degree of input and output isolation and high efficiency.And it c... |
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| Keywords: | super wide input voltage range three-phase power supply LM5021-1 |
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