It has adjustable speed drive, smooth and reliable.
传动速度可调，平稳可靠。
However, a variable speed drive based on induction motors is slowly introduced.
然而，一个基于感应电动机的变速传动装置在慢慢的被引进。
A hydraulic variable speed drive system of shield disk cutter has been designed.
设计了盾构刀盘变转速液压驱动系统。
The changes in variable speed drive technology for electrified railways are summarized.
概述电气化铁路用可变速传动技术的变迁。
Variable speed Drive, and their use is aimed at speed control of electric energy to achieve.
变频传动调速，其应用目的就是通过对电机调速来达到节约能源。
A variable speed drive is provided for operating a compressor motor in a refrigerant system.
本发明提供一种可变速驱动器，该可变速驱动器用于操作制冷系统内的压缩机马达。
Variable speed drive control has simple menu and easy to read display for simpler installation and use.
变速控制器带简单菜单，菜单指示简单易懂，便于安装及使用。
The drive system preferably includes a gear, gearbox, variable speed drive and at least one positioning sensor.
该驱动系统优选为包括齿轮、齿轮组、具有动力制动性能的变频驱动的马达、以及至少一个位置传感器。
Individual infinite variable speed drive of each roll with AC-motors coupled to programmable frequency inverters.
电机驱动方式为交流变频无极变速驱动。
An algorithm for fuzzy sliding mode control was proposed for AC speed drive with a slip frequency vector control.
针对滑差频率矢量控制交流调速系统，提出并设计一种模糊滑模控制算法对速度环进行控制。
The performance of AC variable speed drive system has been improved greatly since field-oriented control is applied.
矢量控制使交流调速系统的性能产生了质的飞跃。
This paper deals with the theoretic design process, methods and procedures of machine tools' step speed drive system.
阐述了机床有级变速传动系统的理论设计过程与设计方法，简要介绍了其设计步骤。
As a new kind of variable speed drive system, the product has great potentialities of development and wide prospects of market.
作为一种新兴的调速系统，该产品发展潜力较大，市场前景广阔。
Further, the operation of the variable speed drive is combined with a pulse width modulation control of different system components.
此外，可变速驱动器的操作与不同系统部件的脉宽调制控制相结合。
Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.
恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。
The optimized operation of pumping station with variable speed drive (VSD)and the selection of number of pump-units in the station are discussed.
介绍变速泵站优化运行及变速泵机组最佳台数的选择。
An ABB variable speed drive system is to power the giant fan that generates subsonic wind speeds at Boeing's flagship wind tunnel in Philadelphia.
ABB的一个变速驱动系统正在为波音公司在费城的旗舰风洞的大型风扇提供动力，以制造出次音速风速。
The research issues in future still be focused on implement of stable low speed drive involving zero-speed and stable start-up with torque control.
今后研究的问题仍然集中在包含零速时稳定低速驱动的实现和伴随转矩控制的稳定起动上。
Brushless double-fed machines (BDFM) show potential benefits in adjustable speed drive systems by their special structure and reducing converter size.
无刷双馈电机(BDFM)特殊的结构特点，可以大大降低调速系统的容量，使其在调速系统中有着巨大的潜能。
In the mechanical structure of the spindle box is the main drive designed to be given under the conditions of the main spindle speed drive system design.
在机械结构中主要是主轴箱的传动设计，能够根据以给定的条件主轴转速来设计主传动系统。
This paper presents the performance of new model monkey winch for mine. and its design calculation of the planetary differential variable-speed drive device.
介绍了一种新型矿用小绞车的性能及其行星差速变速传动装置的设计计算。
"We looked into installing a variable speed drive on the press," explains Yager, "so we could stamp the aluminum at the slower speed and the steel at the original speed."
我们考虑在压机上安装一个可变速的驱动装置，这样我们就可以冲压铝件时降低速度，冲压钢件时恢复原来的速度。
When a low load situation has been determined by the refrigerant system controls, the variable speed drive operates the compressor motor at lower speed mode of operation.
在制冷系统控制器确定为低负荷情况时，可变速驱动控制器以运转的较低速度模式操作压缩机马达。
The ACS 5000 variable speed drive system enables Boeing to run the fan in adjustable speed mode or at constant speed, depending on the protocols and parameters of each test.
ACS 5000变速驱动系统使得波音公司可以根据每个测试的规程和参数，自由设定可调速度模式或者恒速模式。
In addition, ABB has supplied an energy-efficient all-electric variable speed drive solution to power and control the gas compressors at the Nyhamna onshore processing plant.
此外，ABB提供了一个高效的全电动变速传动解决方案，以控制nyhamna陆上加工厂的气体压缩机和为其提供电力。
The pumping unit supplying the tested models consists in one horizontal shaft centrifugal pump driven by a variable speed D. C. motor itself controlled by a thyristor speed drive.
供给水轮机模型试验的水泵由一个卧式离心泵组成，由一个整流器自控制的变速电机带动。
This paper designed and trained a three-layer fee dforward neural network to estimate the actual rotor flux and unit vector ford irect vector controlled induction motor speed drive.
针对直接矢量控制感应电机感应电机调速系统 ，设计和训练一个三层前馈神经网络以估计系统的实际转子磁链和单位矢量 ，并由此构成系统的闭环控制。
The brushless doubly-fed machine (BDFM) is based on the technic of field oriented control and the performance of its adjustable-speed drive can ultimately meet the need of the operation.
采用磁场定向矢量控制技术的无刷双馈电机调速系统，其性能基本能够满足运行要求，但存在超调及动态稳定慢等问题。
Brian started the engine and pulled away slowly, but picked up speed once he entered Oakwood Drive.
布赖恩发动引擎，慢慢驶离，但上了奥克伍德大道后就开始加速。
The drive features AB's Force Technology, a field-oriented control that permits independent control of speed and torque.
这个驱动器是 AB 电动技术的代表产品，它是一个定向控制可以分别控制速度和扭矩。
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