介绍一种双闭环控制变频调速系统。
给出了压铸机变频调速系统选型方案。
说明了变频调速系统的节能效果是最好的。
The show energy conservation effect of frequency control system is the best.
对主轴矢量变频调速系统进行了深入研究。
Thorough researched to the spindle velocity modulation system of vector frequency conversion.
采用变频调速系统，可实现不停机无级调速。
It adopts speed-adjusted system through frequency conversion, which can realize non-pole speed adjustment.
输出控制的对象为速度单元或变频调速系统。
采用DSP处理器实现永磁同步电机变频调速系统。
The DSP processor was adopted to realize the permanent magnetic synchronism motor frequency conversion timing system.
基于矢量控制理论设计了一套全数字变频调速系统。
Based on vector control theory, a fully digital variable speed system is designed.
采用变频调速系统可以满足熔体纺丝对电气传动的要求。
By using the frequency converting speed regulating system the requirements of melt spinning on electric transmission were satisfied.
本文设计了模糊速度控制器并应用于异步电动机变频调速系统中。
In this paper, design a fuzzy controller and applied to the induction motor speed-frequency governing system.
针对交流变频调速系统，探讨了应用智能优化算法实验建模方法。
Method of. modeling using the intelligent optimization algorithms is discussed for AC variable frequency speed regulation system.
在高精度变频调速系统中，准确的电动机参数是系统性能的保证。
In high precision variable frequency speed adjusting system, system's performances are guaranteed by accurate motor parameters.
围绕着提高系统可靠性，讨论了变频调速系统的电气接线及功能。
Around increasing system reliability, the electrical circuit and function of variable frequency speed-governing system is discussed in this paper.
结果表明变频调速系统具有很好的应用发展前景和可观的经济效益。
Result showed frequency conversion system application development prospects are very good and significant economic benefits.
对双PWM变频调速系统中的三相PWM整流器及其控制方法进行了研究。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
在各种异步电机调速系统中，效率及性能最好的系统是变压变频调速系统。
The best system of efficiency and function are becoming the pressure frequency conversion velocity modulation system in the various asynchronous electrical machinery velocity modulation system.
介绍一种运用单片微机进行磁通轨迹控制的电压型GTO逆变器变频调速系统。
The authors introduce a voltage-source GTO inverter VVVF system with flux linkage locus controlled by single-ship microcomputer.
本丈对转差频率控制的变频调速系统进行讨论，分析这种控制方式所存在的不足；
This paper discusses the slip frequency control of variable frequency regulating speed system, and analyses the shortage of this control way.
本文提出了一种异步电动机电流型变频调速系统传递函数的分析及工程设计方法。
This paper presents the methods of transfer function analysis and engineering design for variable frequency adjustable speed system of induction motor supplied by current source inverter.
基于观测出的状态信息，构成了转差频率控制的转矩速度双闭环新型变频调速系统。
Utilizing the information observed, a new type of slip frequency controlled torque-speed double closed loop system is developed.
介绍采用磁电脉冲测速构成转差频率控制的闭环变频调速系统的组成、原理及动态性能。
The paper introduces the composition, principle and dynamical performances of the closed loop VVVF system using magneto electric pulse tacho apparatus to constitute the slip frequency control.
基于矢量控制理论设计了一套全数字变频调速系统，介绍了系统结构及软硬件设计方案。
Based on vector control theory, a full digital variable speed system is designed. The system structure and method for designing the software and hardware are introduced.
本文讨论了由80c 196MC和智能功率模块IPM组成的SPWM变频调速系统。
This paper discusses the SPWM frequency conversion regulating system formed with 80c196mc and IPM intellective power model.
介绍一种应用智能功率模块的变频调速系统，提出了使用智能功率模块时应注意的关问题。
This paper introduces a frequency variable and velocity variable system using IPM. Some problems which should be noticed in applications are presented.
介绍一种用ibm-PC与多at89c 2051串行通信实现的小型集散变频调速系统。
A small scale distributed varying frequency speed adjustment system implemented by serial communication between IBM - PC and multiple AT89C2051 is introduced.
本文介绍一种脉宽调制型(PWM)逆变器异步电机变频调速系统稳态分析的直接数字计算方法。
A kind of direct numerical calculation method for the steady-state analysis of PWM inverter-fed induction motor drives was presented.
本文运用神经网络逆系统这一新的控制策略，对异步电机变频调速系统进行可逆分析与控制试验。
Based on the new ANN (artificial neural network) inverse system control method, the AC variable frequency speed control system is analyzed and experimented.
文章设计出的八级拉丝机交流变频调速系统的控制方案，解决了稳态精度的问题，提高了经济效益。
In the paper, the control scheme of eight-level drawbench frequency conversion timing system solves the stability precision and improves the economic benefit.
改造后的变频调速系统不仅减轻了工人的劳动强度，提高了调速精度，而且故障率低，降低了能耗。
The improved frequency conversion timing system not only reduces working strength of the labor and improves timing accuracy, but also reduces failure rate and energy consummation.
改造后的变频调速系统不仅减轻了工人的劳动强度，提高了调速精度，而且故障率低，降低了能耗。
The improved frequency conversion timing system not only reduces working strength of the labor and improves timing accuracy, but also reduces failure rate and energy consummation.
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