微电机
微電機
미전궤
MICROMOTORS SERVO TECHNIQUE
2014年
9期
69-75
,共7页
空间矢量调制%直接转矩%TMS320F2812%异步电机
空間矢量調製%直接轉矩%TMS320F2812%異步電機
공간시량조제%직접전구%TMS320F2812%이보전궤
space vector modulation%direct torque control%TMS320 F2812%asynchronous motor
分析了空间矢量调制-直接转矩控制（SVM-DTC）策略的工作原理。以TMS320F2812为核心设计了三相异步电机的SVM-DTC系统，介绍了硬件电路的设计和软件实现方案，重点研究了根据母线电压和三相桥占空比计算电机三相电压的相电压重构方法及SVM的算法实现问题。实验结果表明，系统硬件设计合理，相电压重构方法及SVM算法的实现方法正确可行，系统具有良好的调速性能。
分析瞭空間矢量調製-直接轉矩控製（SVM-DTC）策略的工作原理。以TMS320F2812為覈心設計瞭三相異步電機的SVM-DTC繫統，介紹瞭硬件電路的設計和軟件實現方案，重點研究瞭根據母線電壓和三相橋佔空比計算電機三相電壓的相電壓重構方法及SVM的算法實現問題。實驗結果錶明，繫統硬件設計閤理，相電壓重構方法及SVM算法的實現方法正確可行，繫統具有良好的調速性能。
분석료공간시량조제-직접전구공제（SVM-DTC）책략적공작원리。이TMS320F2812위핵심설계료삼상이보전궤적SVM-DTC계통，개소료경건전로적설계화연건실현방안，중점연구료근거모선전압화삼상교점공비계산전궤삼상전압적상전압중구방법급SVM적산법실현문제。실험결과표명，계통경건설계합리，상전압중구방법급SVM산법적실현방법정학가행，계통구유량호적조속성능。
The operational principle of space vector modulation (SVM) in direct torque control (DTC) was analyzed.TMS320 F2812 was used as the core of the SVM-DTC system to control three-phase asynchronous motor.The design of the hardware circuit and software implementation scheme were introduced.The method of phase voltage reconstruction with the bus voltage and three bridge duty ratio to calculate three -phase volt-age was researched particularly.The problem of implementation of SVM algorithm was studied carefully.The experimental results showed that the design of system hardware was reasonable.The method of phase voltage reconstruction and the implementation of SVM algorithm are correct and feasible.SVM-DTC system of three-phase asynchronous motor has good speed adjusting performance.
