The article mainly the speed governing technology with internal feedback high frequency chopper wave, including its working principle, function and feature, and application to Industry control.
简介几种常用电机调速方式。对应用较好的内反馈高频斩波调速技术的工作原理、功能与特点，以及在工业控制中的应用情况予以介绍。
Theoretical analysis shows that, pole placement control can be realized using this newly developed internal model control structure just from appropriate selection of the feedback gains.
理论分析表明，采用该内模控制结构，只要适当选择输出误差反馈增益，可实现闭环系统极点的任意配置。
Internal feedback cascade speed control system is proved to have a good cost performance and can be used on large and medium type fans extensively.
内反馈串级调速系统是一种具有优良的性能价格比的调速节能设备，适合于电厂的大中型风机调速节能运行。
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