| 多重电压型高压变频在同步机调速上的研究 |
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| 引用本文： | 李超锋,刘惠康.多重电压型高压变频在同步机调速上的研究[J].电气传动自动化,2010(5):1-4. |
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| 作者姓名： | 李超锋 刘惠康 |
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| 作者单位： | 武汉科技大学信息科学与工程学院,湖北武汉,430081 |
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| 摘 要： | 随着工业的发展,同步电机因其功率因数超前、可以向电网提供无功功率,从而提高了电网功率因数,具有运行转速稳定、低转速设计简单等优点,被越来越多的应用于空气压塑机、球磨机等需要大容量电机的场合。本文介绍了多重电压高压变频的原理及优点,分析了在多重电压型高压变频调速系统中同步电机的变频起动方式,研究了同步电机在稳态运行时的励磁控制。
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| 关 键 词： | 多重电压 同步电机 变频起动 励磁控制 |
Research and application of high voltage frequency conversion based on cascaded multilevel in synchronous motor speed regulation |
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| LI Chao-feng,LIU Hui-kang.Research and application of high voltage frequency conversion based on cascaded multilevel in synchronous motor speed regulation[J].Electrical Drive Automation,2010(5):1-4. |
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| Authors: | LI Chao-feng LIU Hui-kang |
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| Affiliation: | LI Chao-feng,LIU Hui-kang(College of Information Science and Engineering,Wuhan University of Science and Technology,Wuhan 430081,China) |
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| Abstract: | With the development of industy,synchronous motor has been widely used in the occasions needing large-capacity such as air pressure presses,ball mills because its high power factor,stable rotation speed,simple design while low speed and other advantages.First of all,the principle and advantages of the high voltage frequency conversion based on cascaded multilevel are described.Secondly,the frequency conversion starting of the large capacity synchronous motor is analyzed.It researches the control of excitati... |
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| Keywords: | cascaded multilevel synchronous motor frequency conversion starting control of excitation system |
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