| PWM—IC和微机组成的全数字化PWM交流电机变频调速系统 |
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| 引用本文： | 王定国,李明哲.PWM—IC和微机组成的全数字化PWM交流电机变频调速系统[J].河南科技大学学报(自然科学版),1989,10(2):86-91. |
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| 作者姓名： | 王定国 李明哲 |
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| 作者单位： | 不详 |
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| 摘 要： | 本文简单介绍了PWM大规模集成电路HEF4752V,分析了此芯片的频率分辨率和电压分辨率,提出了提高频率精度和电压精度的方法,介绍了全数字化PWM交流电机变频调速系统的设计方案。
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| 关 键 词： | 交流电机 变频 逆变器 脉宽调制 微处理机 |
All-Digital PWM Variable Frequency Variable Speed Drives of AC Motors with PWM-IC and Microprocessor |
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| Wang Dingguo Li Mingzhe.All-Digital PWM Variable Frequency Variable Speed Drives of AC Motors with PWM-IC and Microprocessor[J].Journal of Henan University of Science & Technology:Natural Science,1989,10(2):86-91. |
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| Authors: | Wang Dingguo Li Mingzhe |
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| Institution: | Wang Dingguo Li Mingzhe |
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| Abstract: | The large scale IC HEF4752V is briefly introduced in this paper. The frequency resolution and voltage resolution of the circuit are analized and methods of improving their precision are well proposed. The design sheme of an all-digital PWM variable frequency variable speed drives of AC motors is described. |
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| Keywords: | AC motor variable frequency inverter puls width modulation microprocessor |
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