本文介紹一種以IPM 模塊和電機(jī)專用微處理器dsPIC30F4012 芯片為基礎(chǔ)構(gòu)成的
SPWM 變頻器。該變頻器的輸出頻率為0~240Hz，載波頻率3.0~12.0kHz;設(shè)置22 條V/F 曲
線和不同的啟動速率以供選擇，軟件上采用各種靈活措施來獲得優(yōu)良的靜動態(tài)性能，并且有完善的故障保護(hù)功能。
關(guān)鍵詞：dsPIC30F4012 微處理器、IPM、CAN、SPWM 正弦脈寬調(diào)制。
Abstract:This paper introduces a SPWM for with IPM mold piece with induction motor appropriation microprocessor dsPIC30F4012 chip slice for foundation constituting to transducer .With the exportation frequency from 0 to 240Hz, carry a frequency 3.0~ 12.0 kHz; establish 22 V/ Fs the curve with different start the velocity then provide the choice, software top the every kind of and vivid measure of adoption come acquiring the dynamic function and good static , and have the perfect breakdown the aegis the function.
Keywords:DsPIC30F4012 microprocessor, IPM, CAN, SPWM sine pulse wide modulation.