| 磁悬浮轴承功率放大器设计 |
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| 引用本文： | 高雪.磁悬浮轴承功率放大器设计[J].江苏电器,2010(1). |
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| 作者姓名： | 高雪 |
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| 作者单位： | 大连交通大学; |
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| 摘 要： | 针对普通的两电平PWM开关功率放大器的不足,提出了在磁悬浮轴承中采用三电平PWM开关功率放大器,阐述了三电平PWM开关功率放大器的基本工作原理,设计出一种新的三电平PWM开关功率放大器。分析表明,这种功率放大器相对于普通的两电平PWM开关功率放大器,具有电流纹波小、功率损耗小和抗电磁干扰能力强等优点,并具有良好的动态响应能力。
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| 关 键 词： | 磁悬浮轴承 功率放大器 脉宽调制 |
Design of Power Amplifier for Magnetic Bearings |
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| Authors: | GAO Xue |
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| Affiliation: | Dalian Jiaotong University/a>;Dalian 116028/a>;China |
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| Abstract: | Aiming at the shortage of two-level PWM switching power amplifier,a kind of three-level PWM switching power ampli-fier in magnetic bearings was proposed and its basic principle was described. A novel three-level PWM switching power amplifier was designed. The analysis shows that compared with two-level PWM switching power amplifier,the three-level PWM switching power amplifier has characteristics of lower current ripple,less power loss,stronger anti-electromagnetic interference etc advantage with a good dyn... |
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| Keywords: | magnetic bearings power amplifier pulse width modulation |
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