【摘要】 TMS320F240是 DSP 芯片中最适合于产生 SPWM 控制的一个产品,由它来控制逆变器的6只开关器件,实现 SPWM 变频调速。文章简要介绍了该芯片的基本结构和特点、以及 SPWM 高速变频调速的原理,并叙述了如何使用 TMS320F240通过软件产生所需的 SPWM 波形。更多还原

【Abstract】 SPWM wave of TMS320F240,which is specially designed for the digital motor control segment,can realize frequency conversion regu- lating through control the six switching components of the inverter.This paper briefly introduces the basic structure and character of the chip and the principle of frequency conversion regulating using SPWM wave,and discusses how to achieve the SPWM wave by program.更多还原