Measurement and Control for Vibration of New Type of Variable-frequency Precisely Cropping Method 新型变频振动精密下料方法的振动测控研究
In the light of technical rebuilding engineering practice, the constitution of variable-frequency speed-regulation system and the structure features of inverter are described. 结合技改工程实例,对变频调速系统的构成和变频器的结构特点进行了论述。
Study on sensorless rotor position detection of variable-frequency control for ceramic machinery 陶瓷机械变频控制无传感器技术转子位置跟踪研究
The Design Problems of Cold-Rolling Main Drive Variable-Frequency Induction Motor 冷轧主传动变频异步电机的设计问题
Optimal Wind Power Capturing Operational Mode of a Variable-speed Variable-frequency Wind Power Generation System 变速变频风力发电系统最优风能捕获运行方式
Based on the small disturbance linearized method, the cause of the oscillation occurred in the variable-frequency startup of ALA rotor motor driven by inverter was analyzed in this paper. 借助步进电动机消除低频振荡的方法,通过在转子上加装机械惯性阻尼器,提高了系统的抗干扰能力,使电机的变频起动性能有了明显的改善。
Improving Heating Capacity of Heat-supply Network by Distributed Variable-frequency Pump System 利用分布式变频泵系统提高热网的供热能力
The configuration and debugging in the mud pump variable-frequency drive system of oil rig 石油钻机泥浆泵变频系统的配置与调试
Application of High-voltage Variable-frequency Speed-regulating Unit to Power Plant's Condensate Pumps 高压变频调速装置在发电厂凝结水泵上的应用
Development of Optimal Electromagnetic Design Software of Small and Medium Variable-Frequency Motor 中小型变频电机优化电磁设计软件开发
In the application of central air-conditioning, the technology of variable-frequency primary pump has been widely studied. 在中央空调的应用过程中,冷冻水一次泵变频技术得到了广泛的研究。
To extend the lamp life, a digital-dimming controller with variable-frequency oscillator structure was designed in CCFL module. 为了延长灯管的使用寿命,在CCFL背光源模块中设计了一种基于变频技术的数字调光控制器。
Study and Design of Mine Electric Locomotive's Variable-Frequency Adjustable-Speed System Based on DSP 基于DSP的矿用电机车变频调速系统研究与设计
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。
Simulation of Electric Rig Hoisting System Driven by AC Variable-Frequency Motor 交流变频电驱动钻机起升系统的模拟
Variable-speed variable-frequency ( VSVF), a new typed operational mode for the induction generator based wind power generation system is proposed based on the fractional frequency power transmission. 在分析异步风力发电系统模型的基础上,结合分频输电技术,提出了一种新型的异步风力发电系统运行方式&变速变频(VSVF)方式。
Simulation and experiment show that the DSP controller can meet the requirements of the variable-voltage and variable-frequency system. 实验研究表明设计的DSP控制器完全满足变压变频系统的要求。
Design of Variable-Frequency Power Based on PWM Controller and IPM Module 基于PWM控制器和IPM模块的变频电源设计
Simulation Study of Variable-frequency Speed-regulation Control System of Asynchronous Motor Based on Vector Control Technique 基于矢量控制的异步电机调速控制系统的仿真研究
High Viscous Liquid Dynamic Weighing System Based on Variable-frequency Technology 基于变频技术的高黏性流体动态称重系统
This thesis researched and designed the technology of variable-frequency speed Variation system based on DSP, which based on this background. 本文以此为背景对基于DSP变频调速系统进行了研究。
The Advantage of the Application for the Variable-frequency Adjustable-speed Motor's Technology 交流电动机变频调速技术应用的优越性
The emphases were characteristics of the multidrive AC variable-frequency control system which was firstly used on the ship-unloader in our country. 介绍了温州电厂卸船机的电气控制系统,特别是在国内卸船机上最早投入使用的多传动交流变频控制系统的特点。
This thesis analyzes and researches the application of variable-frequency primary pump technology. 本文针对冷冻水一次泵变频技术的应用进行了相关分析和研究。
Spindle is drived by variable-frequency motor. 主轴采用变频电机。
Influence and Prevention of Bearing Current in Variable-Frequency Motor 轴电流对变频电机的影响和预防措施
Theoretical calculation of energy-saving effect for different operating conditions is investigated from the whole system of variable-frequency speed regulation for fans and pumps. 从风机泵类变频调速系统整体角度考虑,针对不同工况研究了风机泵类变频调速前后节能效果的理论计算方法。
The Variable-frequency Energy-saving Control System of the Pumping Unit Based on Intelligent Control 基于智能控制的抽油机变频节能控制系统
Reformed Design of Mine Winch Electric Control System Based on PLC Variable-frequency 煤矿绞车电控系统的PLC变频改造设计
Analysis and Application of Technical Scheme of Variable-frequency Drive System for Main Blower Fan in Coal Mine 煤矿大型主扇风机变频驱动系统技术方案分析与应用