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来源：百度知道 编辑：UC知道 时间：2024/05/16 10:59:48
随着社会的进步，交流调速传动已成为电气调速传动的主流，全数字控制方式的软件功能提高了通用变频器的可靠性、可使用性和可维修性。通用变频器具有调速范围宽、调速精度高、动态响应快、运行效率高、功率因数高、操作简单及便于与其他设备接口等优点,应用范围越来越广。
本课题采用TMS320LF2407 DSP作为控制电路的核心设计一高性能变频器，该变频器主要作用包括信号的检测、滤波、整形，核心算法的实时完成以及驱动信号的产生，系统的监控、保护等功能。该变频器采用电压空间矢量调制技术（SVPWM）保证输出电压波形谐波含量少，电压利用率高。该变频器有两种控制方式可选（恒压频比控制、矢量控制），能够实时监控被控对象的电流、电压、转速等运行参数，设置控制参数和一些保护参数，保存重要参数。

Along with society's progress, the exchange velocity modulation transmission has become the electrical velocity modulation transmission the mainstream, the entire numerical control way's software function enhanced the general frequency changer's reliability, the workability and the maintainability. The general frequency changer has the governor deflection width, the velocity modulation precision high, the dynamic response to be quick, the operating efficiency is high, the power factor is high, the simplicity of operator and is advantageous with merits and so on other equipment interface, the application scope is getting more and more broad.
This topic uses TMS320LF2407 DSP to design a high performance frequency changer as control circuit's core, this frequency changer leading role including the signal examination, the filter, the reshaping, the core algorithm real-time completes as well as the driving signal production, functions and so on system's monit