Fans speed regulation alteration is researched.
研究了风机调速改造。
The paper explains the principle and features of the speed regulation circuit.
文中着重介绍了其电气调速线路原理及特点。
The liquid-viscous driving device is a new kind of stepless speed regulation gear.
液体黏性传动装置是一种新型的无级调速传动装置。
The application of PWM driver program in DC-motor speed regulation system was implemented.
实现了PWM驱动程序在直流电机调速控制中的应用。
The problems of speed regulation range and the circulatory power are analysed in this paper.
本文对该类机构的调速范围和循环功率的问题作了分析和探讨。
The key of the fully digital PWM speed regulation system is how to get the PWM signals on-line.
全数字PWM 交流主轴驱动系统的关键在于如何实时地得到PWM 开关信号。
The application of the interface technology in ac speed regulation experiment device is introduced.
并介绍了该技术在交流调速实验装置中的应用。
The design of DC motor speed regulation system controlled by microcomputerwas described in this paper.
本文论述了微机控制直流电动机转速系统的设计。
Second, design the hardware structure of the experiment platform of hybrid drive and speed regulation system.
第二章，综合介绍了混合驱动调速系统试验平台的硬件结构设计。
Can be achieved within a wide range of stepless speed regulation, can output a larger and larger torque thrust.
可大范围内实现无级调速，可输出较大推力和较大力矩。
The fan load and operation characteristics of various speed regulation technique method for fan is put forward.
本文分析了风机负荷与不同调速方式的运行特性，并提出合理的风机调速方式。
Frequency conversion and stepless speed regulation, thus ensuring steady speed and facilitating speed regulation.
采用变频无级调速、转速稳定、调速方便。
The digital flow rate valve regulates digitally system flow rate to implement speed regulation in hydraulic system.
发数字式流量阀采用数字控制方式，调节系统流量以达到液压系统调整目的。
High working speed, belt conveyor is resistant to all solvent, prevent dust phenomenon, conveying speed regulation.
工作速度极高，输送带可耐各种溶剂，防止起尘现象，输送速度变频调节。
This paper introduces the DC speed regulation system of container crane and renovation principle of digitalization.
文章介绍了集装箱装卸桥直流调速系统及数字化改造原理。
In this paper we introduce a method of regulation PI parameters of Speed regulation system of motor on line by computer.
该文介绍一种通过计算机编程实现对电机调速系统中PI参数的在线调节的方法。
The engine hydraulic stepless speed regulation cooling fan changed the traditional drive type of the engine cooling fan.
发动机液压无级调速冷却风扇，改变了发动机冷却风扇的传统驱动方式。
Owing to its good starting-up and smooth speed regulation performances, the DC motor is so widely used in various fields.
直流电机因具有良好的启动、平滑的调速等性能，使其在各领域得到广泛的运用。
The paper presents the topology and control strategy of a highly fault tolerant induction motor VF speed regulation system.
本文提出一种高容错感应电机变频调速集成系统的拓扑结构和控制策略。
This paper presents a reversible DC speed regulation system that has great difference in constructions with the normal ones.
本文讨论的晶闸管的错位无环流可逆直流调速系统，与常规的结构大不相同。
This paper introduces chop feedback speed regulation technique and compares it with frequency conversion and cascade technique.
介绍了斩波内馈调速技术，以及与变频和串级技术的比较。
This paper studied the three-phase PWM(pulse width modulation) rectifier in dual PWM variable frequency speed regulation system.
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。
The fundamental structure and mathematical model of this motor and the principle of speed regulation have been described in this paper.
文章介绍了移相电机的基本结构和调节原理，以及移相电机的数学模型。
The frequency stability of a ship power station is decided by the speed response characteristic of diesel engine speed regulation system.
船舶电站频率的稳定性主要取决于柴油机调速系统的转速响应特性。
Advantages: stepless speed regulation, torque biggest, explosion-proof, operating intelligence, automation, suitable for factory operations.
优点：可以无级调速，扭矩最大、防爆、操作智能化、自动化，适合工厂作业。
Sixth, the paper analysis the result of experiment and error, and promotes same measures to improve hybrid drive and speed regulation System.
第六章，混合驱动调速控制系统试验结果及误差分析，在此基础上提出了几点改进措施。
The control process of bar rolling speed was presented and the effects of low tension, loop and cascade control in speed regulation were described.
介绍了棒材轧线的系统结构及轧机速度控制过程，详细说明微张力、活套以及级联控制等在速度调节中的作用。
The experience in application of internal feedback cascade speed regulation technology for rotors to high voltage asynchronous motors is introduced.
介绍了设备改造方案及转子内反馈串级调速技术在高压异步电动机上的应用经验。
Based on principle in speed regulation of centrifugal pump, method of speed regulation calculation for energy saving and its effects have been studied.
本文从离心泵变速调节原理入手，探讨了以节能为目标的离心泵变速调节的计算方法和效果。
To improve quality factor of two closed speed regulation systems, this paper advances the two - channel control method used with acceleration regulator.
本文提出采用带有加速度调节器的双通道控制模式可提高双闭环调速系统的品质因素。
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