Since the rotor is fed by a invertor, the waveform supplying the stator can be affected.
由于转子采用变频装置供电,该电机的定子供电波形将受到影响。
Based on the distributions of the velocities and pressure the total thrust and the rotor thrust can be obtained by integration and the blades of rotor and stator can be designed.
基于求得的速度和压力分布,通过积分可求得总推力和转子推力,并在尔后的设计阶段设计转子和定子的叶片。
Through the detection of the stator current, the control can confine the starting current within the allowable range.
控制器通过监测电机定子电流的大小,将其起动电流控制在允许的范围内。
The coupled dc motor can be adjusted so that the speed of the system is higher than the synchronous speed and the system rotates in the same direction as the stator rotating field.
所连接的直流电动机可以这样调整使得其转速高于同步转速且旋转方向与定子旋转磁场的方向一致。
This multi loop model can better consider the influences of the distributed capacitance and the nonsymmetrical stator windings when stator ground fault occurs in interior of the stator windings.
该模型可以同时考虑定子绕组对地分布电容的影响,以及定子绕组内部接地故障带来的定子绕组结构上不对称的影响。
U-I flux linkage model can be set exactly at low speed for considering the effects of temperature to stator resistance.
由于考虑了温度对定子电阻阻值的影响,提高了u-i模型在低速运行时磁链观测的准确度。
This paper presents a new compensation method for stator voltage amplitude and DC offset, which can improve the performance of the speed sensor-less vector control of induction motor.
为了提高异步电机无速度传感器矢量控制的低速性能,提出了一种定子电压幅值和直流偏置补偿办法。
Through cooperating each other between the generator stator ground protection, it can operate sensitively when single phase ground fault in whole range of generator stator winding occurs.
通过发电机定子接地保护之间的相互配合,在整个发电机定子绕组范围内发生单相接地故障时,发电机定子接地保护均能灵敏地动作。
But in this shaping installation, besides the mentioned functions, shaping, shoveling, soldering and sealing of the stator coils can be completed at the same time before hot pressing.
传统的线圈成型模只能成型线圈的端部形状,而该装置在此基础上增加了对线圈的预弯、铲头、封焊等功能,在定子线圈热压前一次完成以上各工序。
This novel contour curve of the stator transition zone can be made to adjust many parameters. and satisfy the full requirements of double-acting vane pumps of high-performance.
这种新型定子过渡曲线可对多个参数进行调查,能最大限度地满足高性能叶片泵的要求。
Using these curves, the highest and average temperatures of stator winding can be calculated from the thermodetector indication.
利用这些曲线,即可从检温计的指示温度推算出定子最热段绕组铜线最高温度值和平均温度值。
The stator flux-oriented vector control method can realize de-coupled control of active and reactive power.
运用定子磁链定向的双馈异步发电机矢量控制能够实现定子侧有功功率和无功功率的解耦控制。
Stator casing bleeding can cut the flow loss and improve the compressor efficiency.
静子机匣端壁引气能够有效减小静子叶排损失,提升压气机效率。
The close cooperation between generator design and protection can only be a way to do optimization design for generator stator winding.
只有发电机设计与继电保护密切合作,才有可能完成定子绕组的优化设计。
Twin stator brushless doubly fed machine generation system which has no electrical brush and can running in variable speed and constant frequency condition is very suitable for wind power generation.
双定子无刷双馈发电机具有无刷化和可进行变速恒频发电的特点,非常适合于风力发电系统,对其发电系统的研究,将使这种新型电机能够尽快地应用于实际之中。
Energy saving of a water injection system can be achieved by regulating the speed of the electromotor through changing the input voltage of the motor's stator.
电动机调端电压调速是通过改变电动机定子端电压来实现调速的方法。
The test results show that the ground fault at any point of the stator of a large unit-type generator-transformer system can be successfully protected.
试验结果表明:大型发电机一变压器组的定子的任何一点上发生接地故障时都能成功地获得保护。
This paper gives the design of a new type, high torque VR step motor-dual stator VR step motor which can be used to drive robots directly.
本文给出一种新型,高转矩VR步进电动机——双定子VR步进电动机的设计。该电机可用于机器人的直接驱动。
The stator lead wire of QD115 starter and the lug can be welded without flux filled, which avoids the phenomenon of strands of thin wires getting hard after welding.
解决了QD 115定子引出线与接线片和电器产品电源线与接线片不加填充焊料的焊接问题,避免了多股细铜线焊后变硬的现象。
Experimental results demonstrated that the spectrum characteristics based on coherence analysis can be used to diagnose the stator winding inter-turn faults of induction motors.
实验结果证实,基于相关分析得到的谱特征可以作为感应电机定子线圈短路故障诊断的依据。
The sensor can be fixed under the electromotor's end bracket. Leakage flux of motor stator and rotor does not affect the activity and measuring accuracy of the sensor.
该传感器可以安装在电动机内端盖处,电机定子与转子端部漏磁都不影响传感器的工作和测量精度。
The common fault of asynchronous motor can be classified as stator fault, rotor fault as well as bearing fault mainly.
异步电动机的常见故障主要可以分为定子故障、转子故障及轴承故障。
The rotor of motor can easily run eccentrically once the balls of motor stator bearing are broken, which, thus, can easily cause the motor trouble.
电机的定子轴承滚珠破损后,容易造成电机的转子偏心转动产生事故。
The apparatus and meters can be used to check it, as to the defect of failing to check directly, such as stator armature, the short circuit of silicon steel slice.
对于不能直观检查的缺陷(如定子铁芯、硅钢片短路现象),需要借助仪器、仪表检测。
The method of forward leaning stator blade, which can effectively control the radial second flow and the top separate flow, is applied to the design of the small diameter-height ratio blade.
小径高比的叶片采用静叶片的正倾斜的方法能够有效地控制流道内部的径向二次流和叶栅顶部的分离流动;
The stator resistance of an induction motor is affected by many different elements, and the exact math model can not be established for calculation of the instantaneous resistance.
感应电机定子电阻瞬时值受诸多因素的影响,且无法建立精确的数学模型去求解。
To avoid wearing, stator is fitted with sealing ring and balancing sleeve etc. If worn out, they can be replaced by spare parts.
为防止定子磨损,定子上装有密封环、平衡套等,磨损后可用备件更换。
For the turbine stator cascade, the negative curving of blade can not improve the performance of the cascades as well, the total losses of straight cascade are the lowest.
叶栅中部和端部二次流均增强,总平均的二次流动能增大。对于该叶栅,叶片反弯曲亦不能提高叶栅流场的气动性能,直叶片叶栅总损失最小。
For the turbine stator cascade, the negative curving of blade can not improve the performance of the cascades as well, the total losses of straight cascade are the lowest.
叶栅中部和端部二次流均增强,总平均的二次流动能增大。对于该叶栅,叶片反弯曲亦不能提高叶栅流场的气动性能,直叶片叶栅总损失最小。
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