Novel Inverter of Flux Locus PWM Controlled by Single Chip Microcomputer
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摘要: 從分析磁鏈軌跡控制基本原理出發,設計了8098單片機全數字控制PWM變頻器,系統采用正60邊形磁鏈控制,改進了固定式零矢量插入法,提出了瞬時分割零矢量插入方法,節省了表格存儲空間,提高了控制的實時性,實現了逆變器開關頻率的自動調節。Abstract: Based on the basic principle of flux locus control,then a new type of full digital control PWM inverter by 8098 single chip microcomputer is designed.The equilateral 60-side polygon of flux control is adopted in this system.A new method of instantaneous cutting of zero vector insertion is presented,instead of the fixed insertion method.It saves the storing space of table,improving the real-time nature of control.And the switching frequency of inverter is regulated automatically.
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Key words:
- inverter /
- flux /
- voltage space vector
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