维护，修理，测试和安装电动机，发电机，交流发电机，工业蓄电池和液压和气动电气控制系统。
Maintain, repair, test and install electrical motors, generators, alternators, industrial storage batteries and hydraulic and pneumatic electrical control systems.
还需进一步研究HSY作为电动机和发电机的一些特殊性能以及开发合适的控制系统等等。
Further studies seem necessary to particularize HSY characteristics when used as motors and generators, as well as to develop appropriate control schemes, and so on.
针对电动机—发电机系统在低网压下的启动特性进行了理论分析和模拟计算。
Academic analysis and simulation calculation about starting characteristic of motor generator system in low voltage were carried through.
维修，安装，检测电动机，发电机，交流发电机，工业蓄电池，水力和风力电控系统。
Maintain, repair, test and install electrical motors, generators, alternators, industrial storage batteries and hydraulic and pneumatic electrical control systems.
此方法可为电动机—发电机系统的启动控制提供可靠依据。
The credible control basis for starting course of motor generator system could be gotten by the way.
电机与电器的研究领域包括：电力系统中的大型发电机、电动机，有着广泛应用的中小型电机。
The research domain of electric machinery and electric equipment includes: The large dynamo in power system, electromotor, those who having wide application is medium or small electric machinery.
电力系统中的大型发电机和电动机的转子及轴的加工问题，始终是电机制造过程中的关键技术。
The processing problem related to the rotor and axis of the heavy generator or motor, which are used in electric power system, is always the most important point in motor manufacturing.
该系统由变速驱动控制器、电动机、发电机、逆变器及微机组成。
This system is composed of variable velocity driver, motor, generator, inverter and computer.
通过1888年，特斯拉举行交流多项专利电动机，发电机，变压器和输电系统。
By 1888, Tesla held several patents on AC motors, generators, transformers, and transmission systems.
结果，由于感应电动机为发电机，功率流将反向，拖动系统的动能将被反馈回电网。
As a result, the generating action of the induction machine will cause the power flow to reverse and the kinetic energy of the drive system will be fed back to the supply.
这种创新性的驱动系统应用了一种高效电磁电动机，并将其与公司正在审定中的专利环形发电机结合起来。
This revolutionary drive system utilizes an overly efficient electromagnetic motor, and combines it with our patent pending toroidal dynamo.
本绕线式电动机转子电路脉冲调速系统模拟试验，省去了测速发电机，而利用转子电势组成速度负反馈系统。
The model test tried on this system did not use the tachometer generator but used rotor electromotive force instead to form the speed negative feed-back system.
总结煤矿副井直流发电机-电动机组提升电控系统改造的实施方法，对该系统进行简要分析。
To summary the coal of vice-well continuous current generator-motor the set drag and hoists of the control system reform to into practice the methods, and proceeds to that system synopsis analysis.
该设备采用可控硅励磁直流发电机——直流电动机系统，具有取决于负载的弱磁调节装置。因此操作起来极为方便。
This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.
该设备采用可控硅励磁直流发电机——直流电动机系统，具有取决于负载的弱磁调节装置。因此操作起来极为方便。
This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.
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