Then the magnetic-thermal coupling analysis model is established, and the temperature of the motor with two sets of winding is simulated when the motor works between same slot and adjacent slot. 并建立了双余度无刷直流电机的磁热耦合分析模型,对其双余度工作时的热场进行了仿真。
The year before last, when I visited the No.2 Motor Works with Comrade Chen Pixian, one of the deputy directors showed us around. I was very impressed with him. 前年,我同陈丕显同志到第二汽车制造厂,有个副厂长陪着我们参观,我发现这个人不错。
A state in southwestern Germany famous for its beer; BMW stands for Bavarian Motor Works. 德国西南部的一个州,以啤酒闻名;德国宝马汽车公司所在地。
Sampling value differential protection can be adopted as main protection for motor when it works in frequency-conversion mode. 同时,针对变频运行时电动机主保护缺失问题,提出采用采样值差动保护作为变频电动机主保护的解决方案。
To save power, the motor works only while the fingers are moving. 为了省电,只有当手指活动时马达才工作。
When stepping motor works in some pulse frequency, it may have the problem of oscillation and miss of synchronization, so it should be avoided at full steam. 在一定控制脉冲频率下,步进电动机可能出现振荡与失步现象,严重影响步进电动机的运行,要严格防止这种情况发生。
In1913, Karl Friedrich Rapp ang Gustav Otto founded two separate aircraft factories that would later merge to form BMW or Bayerische Motoren Werke AG ( Bavarian Motor Works). 1913年,卡尔·弗里德里希·拉普与古斯塔夫·奥托分别建立了两个飞机制造厂,后来合并为宝马公司,也叫巴伐利亚汽车制造厂。
Motorcycle starter motor is a kind of motor, which works in a short time such as several seconds when motorcycle starts. 摩托车起动电机是在摩托车起动瞬间,仅仅工作几秒至几十秒时间的短时工作电机。
The news soon spread abroad that a motor works will be built in that county. 将在该县修建汽车厂的消息很快就传开了。
The most obvious characteristics of this research is that DC brushless motor works as the main motor, taking the place of the tradition model of AC motor plus speed regulation via frequency conversion. 以直流无刷电动机作为细纱机的主电机,取代传统的交流电机+变频调速模式是本课题最为显著的特征。
The Analysis and Determination of Abnormal Noise of Motors Nantong Electric Motor Works 电机异常噪声的分析判断
A new type of automatic steel-pipe electric welding machine was designed by means of flat motor witch jointing works. 利用平板电极进行多点凸焊的原理,设计了新一代的自动丝管焊机。
The stepper motor works smoothly and is easy to be connected with computer. 步进电机工作平稳,容易与计算机连接。
Common induction motor variable frequency system is extensively applied, but common induction motors are designed by constant frequency and constant voltage, when the frequency change that induction motor works, the parameter and performance of common induction motor will change. 普通交流异步电动机变频调速系统被广泛应用,但是,普通交流异步电动机都是按恒频、恒压设计的,在频率改变时,电动机的参数和性能都将发生改变。
According to the disadvantage of great current made by 660V/ 1140V AC motor which works under the mine when the AC motor starts, it can make power system and motor impactive. A new kind of explosion-proof soft starter used for mining is develop. 根据在煤矿井下工作的660V/1140V交流电动机起动电流大,对电网及电机造成冲击的缺点,设计了一种新型的矿用隔爆型软起动器。
In this paper, the author describes, from the manufacturing technological poi-nt of view, how to raise the technical level of our motor works so that these wo-rks could be developed to form a stalwart industry. 本文从汽车制造的工艺观点,论述了汽车工业成为支柱产业如何上水平的问题以及工艺技术工作应起的作用。
Study on the Intelligent Observer and Intelligent Control Theory When the AC Motor Works at Low Speed 交流电机低速时智能观测器与智能控制方法的研究
We calculate the startup current and torque of common induction motor when it works under constant V to F and in the frequency less than industry frequency, also we put forward the method that confirm the optimal startup frequency of common induction motors according to the load. 本论文计算分析了在基频以下、以恒压频比方式供电下,变频调速时普通交流异步电动机启动电流、转矩的变化规律,并提出了根据电动机负载确定其最佳启动频率范围的方法。
When the motor works in its steady state, the inductance of the output filter can be adjusted according to the inverter fundamental frequency, carrier frequency, and load current. A better filtering effect and better electrical driving effect can thus be achieved. 在稳态运行时,根据基波频率、载波频率和负载电流来改变电感值,以便获得较好的滤波效果和电气传动效果。
Pump/ motor works as pump, the accumulation and the high-speed flywheel reclaim the kinetic energy when the vehicle in speed-down state. 汽车在减速行驶时,驱动轮上的变量泵/马达作为泵工作,由蓄能器和高速旋转的飞轮回收汽车行驶时的能量;
With the Straight Line& Arc Interpolation By Half Deviation-Best Geometrical Way to control SLO-S YN stepper motor, it works stably and has high precision. 软件采用半步偏差&几何最优化插补方法实现对混合式步进电机的高精度控制。
The voltage frequency relation that asynchronous motor works under the states of different frequencies and the characteristics that it runs with different frequencies and different loads are researched by experiment. The result of experiment is identical with the theoretical analysis. 对异步电动机变频调速的压频关系及不同频率不同负载下的运行特性进行了实验研究,实验结果与理论分析一致。
The fan and motor works well without abnormal vibration and noise. 各机构运转时无异常振动和杂音。
The result shows that the motor of HEV6700 works mainly at the low efficient condition and that the parameter of the drive train does not match that of the vehicle. 结果表明,试验车的电动机主要工作于低效率区,说明其传动系的参数与整车参数匹配不合理。
In the choice of beam pumping unit, the capacity of the motor is usually large, but in the actual process of oil production, the electric motor works under the light load condition in most cases, the average load rate is generally below 30%. 在选择游梁式抽油机时,电动机的装机容量一般选得比较大,但是在实际采油过程中,电动机大多数情况下处于轻载运行状态,平均负载率一般在30%以下。
The software design includes C language programming, with the keyboard input to control the stepper motor works, and will run the state displayed on the LCD screen to good effect in the actual production application. 软件设计主要包括C语言在程序设计中的应用,用键盘输入控制步进电机的运转方式以及将运行状态显示于液晶屏,在生产实际应用中效果良好。
The asynchronous motor usually works in low efficiency with light load, losing much energy. 异步电机轻载时存在效率低下的问题,浪费大量电能。
Hysteresis motor, as a type of AC synchronous brushless motor, works by the torque produced by the hysteresis materials. 磁滞电动机是一种交流无刷同步电动机,它利用磁滞材料产生磁滞转矩进行工作。
When the diesel motor or motor works independently, overrunning clutch can realize double-power transmission. 当柴油机或电动机独立工作时,超越离合器可以实现双动力的传递。
The linear serve motor which works as a new feeding mode has shows its tremendous power. 直线伺服电机作为一种崭新的进给方式呈现出极大的生命力。