The plan is made up of 83c251sb one-chip computer and SA4828 integration-chip of SPWM wave signal, which is a simple-structure, low-costing and well-functioned variable frequency controller.
本设计方案采用83c 251sb型号单片机和SPWM波信号发生器s A 4828组成一种结构简单、成本低、功能较好的变频控制器。
The variable frequency AC controller mounts directly on the AC motor.
变频空调控制器直接安装在交流电机。
The medium voltage variable-frequency controller is developed for the variable-frequency against the existing problem during application of submersible pump.
潜油电泵中压变频控制器是针对潜油电泵在应用中存在的问题而研制开发的变频调速控制装置。
Magnetic Compensated Hall Sensors' theory and merits are introduced in this paper. The application in variable frequency machines, UPS and direct-current drive controller is also given.
介绍磁补偿霍尔传感器的工作原理及其优点，讨论了它在变频调速电机、不间断电源(ups)及直流驱动控制方面的应用。
The main parts of the aircraft VSCF electrical power system consist of the no-brush AC variable frequency generator, converter and controller.
飞机变速恒频电源系统的主要部件有无刷交流变频发电机、变换器和控制器。
This paper discusses the method that is applied in SPWM variable frequency system based on editable DSP controller.
阐述了一种以可编程DSP控制器为核心的应用于变频系统中正弦脉宽调制（SPWM）方法的实现。
The two induction switches connected to the induction bar is connected with the controller of the variable-frequency motor.
与感应条相连接的两个感应开关与变频电机的控制器连接。
An ac variable frequency drive system of paper machine with PLC controller is introduced.
介绍适用于造纸机的变频调速PLC控制系统。
The system is a experiment , so use more micro-sensors about asynchronous motor, Programmable Logic Controller PLC, D/A transducer and variable frequency and speed adjusting.
该系统是一个实验型的设计，所以主要运用的元件是异步电动机、可编程控制器PLC、D/A转换器和变频器等微型 元件。
The system is a experiment , so use more micro-sensors about asynchronous motor, Programmable Logic Controller PLC, D/A transducer and variable frequency and speed adjusting.
该系统是一个实验型的设计，所以主要运用的元件是异步电动机、可编程控制器PLC、D/A转换器和变频器等微型 元件。
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