电动机功率密度大、效率高。
得出了电动机功率过大是其主要原因的结论。
The conclusion that the over big motor power is the main reason is obtained.
动力参数包括：电动机功率、额定转速、电机型号等。
Power parameter include: motor power, rated speed, motor model, etc.
电动机功率便成为计算机床零件和决定结构尺寸的主要依据。
The motor power will become the main basis to calculate machine tool parts and to decide to physical dimension.
推导出了按电动机功率，通过热力学逆运算，确定压缩机结构参数的计算公式。
The calculating formula of determining compressor structure parameter is derived by thermodynamic counter calculation based on motor power.
分析电动机功率损耗，阐述了泵类负载调压调速不仅可以大幅度地节能，而且不会造成电机过热。
This article analyses the loss of power of electric motor, and tells that pressure and speed adjustment of the pump not only save energy but also not lead to over heated of the electric motor.
这架飞机有一个12马力(8.9千瓦)的汽油机——并不比Piccard先生的太阳脉冲号上4个6千瓦的电动机功率多。
It had a petrol engine producing 12 horsepower (8.9kw) -not much more than each of the four 6kw electric motors on Mr Piccard's Solar Impulse.
采用机床主电动机功率法和声发射（AE）法来获取切削过程中发出的刀具磨损和破损信号，建立了刀具状态试验系统。
Experiments were implemented to obtain the motor power and AE signals under different cutting parameter condition(cutting velocity, feed velocity and cutting depth), tool wear and breakage conditions.
HEV驱动系统参数（发动机功率、电动机功率及传动系速比等）对车辆的动力性、燃油经济性和排放性能均有显著影响。
The parameter(engine power electromotor power and ratio of driveline)of powertrain system for HEV have notable influence on dynamical performance economical fuel consumption and emission of vehicle.
使用中，随着流量、扬程发生变化，潜水电泵的效率和电动机功率也相应发生变化，对潜水电泵使用的经济性和可靠性有一定的影响。
In use, with the flow, changes in lift, submersible pump motor efficiency and a corresponding change in power, the use of submersible pump of the economy and have a certain impact on reliability.
该电动机无法输出给定的额定功率。
电动机的输入功率是多少？
根据企业的电网电压标准和对功率因数的要求，确定电动机的电压等级和类型。
Grid voltage in accordance with corporate standards and requirements for power factor to determine the motor's voltage rating and type.
伺服电动机更容易控制，但是他们的功率都比较小，需要明确的电压，andarelessintuitive。
Servos are much easier to control, but they generally are less energy efficient, have explicit voltage requirements, and are less intuitive.
我可以作一个小小的赛道与直流电动机来衡量的实际输出功率的引擎在不同进气压力。
I may make a small dyno with a DC motor to measure the actual power output of the engine at various intake air pressures.
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。
The switched reluctance drive is a new variable-speed motor system which consists of power electronically-switched circuits, doubly salient reluctance motor and controller.
如果更多的电力需求是间歇性，发动机的功率可补充电动机在电源时，需要更多的时间。
If demand for more power is intermittent, the power of the engine can be supplemented by an electric motor during times when more power is needed.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
车由一台功率达80千瓦的电动机和锂离子充电电池提供动力，将于明年末投放日本和美国市场。
Powered by an 80kW electric motor and rechargeable lithium-ion battery, the Leaf will be introduced in Japan and the US late next year.
对于电动机起动需要控制起动电流和转矩震动的问题，采用双闭环的控制方案，即电流闭环控制和功率因数角闭环控制。
As for the problem the high current and the vibration of the torque, the double closed loops which include the current and power factor Angle are worked out.
针对小功率直流力矩电动机的定位控制问题，提出了一种新的模糊控制策略。
According to the problem of position of DC torque motor, an new fuzzy control way was put forward.
稀土永磁同步电动机具有效率高、功率因数高的特点，是一种高效节能产品。
High efficiency and high power factor are characteristic of rare earth and permanent magnetism and synchronous motor. lt is a energy saving product.
此种方法改变电动机的输入功率。
认为以满足螺旋桨额定推力为目的，推进电动机只需要低速输出额定转矩来实现，即输出功率较低。
In order to satisfy the operation requirement of the rated thrust of the propeller, the propulsion motor performs only in rated torque on the low speed, so the motor power is low.
同步电动机不但功率因数高，而且其转速与负载大小无关，只决定于电网频率。
Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.
通过判断电动机输出功率信号中是含有一个直流分量和一个余弦分量还是仅含有直流分量，判断鼠笼转子有无故障，提出了一种感应电机转子故障检测的新方法。
A new method to detect rotor cage fault of induction motor is presented, which monitors if the output power signal comprises a direct component and an alternating component or only a direct component.
以变速驱动压力机的工作负荷、运动特点、工作总功、力矩和角动量为基础，计算其驱动电动机所需的功率。
And then the power of servo motor is calculated according to crank press working load, kinematical characteristic, torque and rotational momentum.
将热力学方法与电工仪表测算电动机轴功率方法结合起来，可以较准确地测出一台工业用大型水泵的性能。
An in-situ test of large industrial water primps characteristics, which is a combination of thermodynamical method and motor shaft power measurement, is described in this paper.
本文介绍了异步电动机的效率、功率因数和其他参数的特性。
This paper describes the efficiency, power factor and other parameter features of the synchronous electric motor.
本文介绍了异步电动机的效率、功率因数和其他参数的特性。
This paper describes the efficiency, power factor and other parameter features of the synchronous electric motor.
应用推荐