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。
Danfoss Variable speed driver can drive the permanent magnetic motor via open-loop or close-loop method.
丹佛斯变频器可以开环或闭环方式驱动交流永磁同步电机。
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。
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。
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。
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。
"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。
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。
So, NIRVANA can say is the only true sense have speed of variable frequency drive screw air compressor.
所以，NIRVANA可以说是目前惟一真正意义上拥有调速变频驱动的螺杆空压机。
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。
The switched reluctance drive is a new variable-speed motor system which consists of power electronically-switched circuits, doubly salient reluctance motor and controller.
开关磁阻电机是由功率开关电路、双凸极磁阻电机及控制器构成的新型调速电动机系统。
Variable speed hydraulic drive system is a new type energy saving system.
变转速液压驱动系统是一种新型的节能传动系统。
The cookers can be equipped with variable speed agitator drive systems (jacket heating) and a PLC system to control the cheese temperature throughout the cook cycle.
奶酪制造机可配备不同速度搅拌器驱动系统(套式加热)和PLC系统，以在烹饪循环过程中控制奶酪温度。
A strategy of speed control for vector-controlled asynchronous motor drive system using sliding mode variable structure control with an integral action was proposed.
针对滑模变结构控制的抖振问题，提出一种用于异步电动机矢量控制系统的积分滑模变结构速度控制方法。
The article introduces the raising process, composition of raising machine and its the variable speed dive control system. Multi-motor drive of raising machine's feature is highlighted.
本文简介了起毛工艺、起毛机的构成，起毛机变频调速控制系统，重点介绍了多电机传动的起毛机传动的特点。
The paper has analysed the structure principle of this kind of device, and analysed soft start, soft brake, variable speed regulation and multi-drive power balance.
论文就这种装置的结构原理进行了分析，并对这种装置实现软启动、软制动、无级调速及多点驱动功率平衡进行了分析。
Apart from its use in power generating units and combined cycle power plants there emerged ever more cases of its application as a variable speed mechanical drive unit.
除用在燃气轮机电站及联合循环电站中外，同时也越来越多地用作变转速的机械驱动动力。
With a team of proficient engineers, MPCL is able to provide consulting and installation services for all types of high voltage substations as well as variable speed motor drive systems.
拥有一支专业工程师的队伍，明电太平洋有能力为所有高压电器安装及马达变速系统提供顾问及安装服务。
The experiments show that the presented VVVF speed-variable drive system has good performances and traction properties which is quit applicable to the overhead locomotives.
试验表明，所设计的变频调速系统数字化实现方便，具有良好的调速和牵引性能，在矿机车交流传动领域有着广泛的应用前景。
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