| 软开关三相变频器的PWM方法 |
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| 引用本文： | 陈国呈,谷口胜则,中村博人. 软开关三相变频器的PWM方法[J]. 电工技术学报, 2000, 15(6): 23-27 |
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| 作者姓名： | 陈国呈 谷口胜则 中村博人 |
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| 作者单位： | 1. 上海大学自动化学院 200072
2. 张晓东(上海大学 200072) 大阪工业大学 535-8585 |
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| 基金项目： | 国家自然科学基金资助课题!(59977012)。 |
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| 摘 要： | 提出一种新型软开关三相PWM变频器，其电路结构简单，开关次数较传统的变频器少，以单纯的ZVS方式工作，因此能减少开关损耗和抑制电磁干扰。变频器输出电压较正弦波调制时高，从而提高了直流电压的利用率，减少了功率器件的耐压容量。
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| 关 键 词： | 软开关 变频器 脉宽调制 电磁干扰 零电压开关 零电流开关 |
| 修稿时间： | 2000-05-31 |
A PWM Method for Soft-Swithching Three-Phase Inverter |
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| Chen Guocheng. A PWM Method for Soft-Swithching Three-Phase Inverter[J]. Transactions of China Electrotechnical Society, 2000, 15(6): 23-27 |
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| Authors: | Chen Guocheng |
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| Affiliation: | Chen Guocheng (Shanghai University 200072 China) Taniguchi Katsunori; Nakamura Hiroto (Osaka Institute of Technology 5358585 Japan) Zhang Xiaodong (Shanghai University 200072 China) |
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| Abstract: | A new three phase soft switching PWM inverter is in troduced. The inverter uses a minimum number of devices,and requires less switc hing operations than the conventional techniques. Switching is realized solely i n a ZVS mode, therefore the loss is reduced and the EMI suppressed. Increasing t he amplitude of the fundamental component included in the output waveforms achie ves an effective utilization of the DC power supply, reduces the rated capacity of the power devices and the switching losses. |
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| Keywords: | Soft-switching Inverter PWM EMI ZVS Zl |
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