Balance weights, if required, shall be secured to the rotor resistance ring or rotor fins.
如果需要的话,应该配置平衡重装置以保护定子阻力环或定子翼。
In order to estimate the speed accurately, the motor rotor resistance is also identified in the observer.
为了准确估计转子速度,同时辨识了电机转子电阻。
At the same time, the influence on precision of estimated speed is also analyzed when the rotor resistance changes.
同时,也分析了转子电阻变化对速度辨识精度所产生的影响。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
同时,为了使转速估计和转子电阻的辨识解耦,在励磁电流处叠加了小幅交流分量。
In this paper, a novel method of rotor resistance adaptive identification based on rotor flux orientation is proposed.
本文在异步电动机矢量控制系统中提出了一种基于转子磁场定向的转子电阻自适应辨识方法。
However, the accuracy of traditional flux estimators will be degraded due to perturbations of stator or rotor resistance.
然而,传统的磁链估计器的精度会因定子或转子电阻的摄动而降低。
A novel inverse decoupling control method with the adaptive rotor resistance estimator for induction motor is proposed in this paper.
提出了一种具有自适应转子电阻估计器的感应电机的逆解耦控制方法。
Considering the uncertainty of rotor resistance and load torque, adjusted parameters corresponding to uncertain ones were introduced.
针对感应电机转子电阻与负载转矩的不确定性,在设计控制器时,引入与不确定性参数相对应的可调参数。
With this flux observer, the stator resistance and rotor resistance, which vary with motor temperature, are identified simultaneously.
该观测器在观测定子磁链的同时也辨识了随温度变化的定、转子电阻。
Decoupling theorems of induction motor are proved in this paper, effects of rotor resistance variation to decoupling control are analyzed.
本文证明了感应电动机的解耦控制定理,分析了转子电阻变化对解耦控制系统的影响。
Therefore, in order to estimate speed more accurately, blocks of stator resistance and rotor resistance online identification were designed.
因此,为了能更精确的估计电机转速,设计了定子电阻和转子电阻的在线辨识模块。
A new method of parameter compensation is also suggested to avoid the influence of rotor resistance variation on the accuracy of vector control.
为了克服电机参数变化对矢量控制准确性的影响,本文建议了一种新的参数变化补偿法。
Thus, the calculation and the measurement of the cup-rotor resistance of a test CTD variable speed motor are proceeded with a satisfactory result.
最后通过试验电机杯转子电阻的测试和计算,得到了令人满意的结果。
The induction motor tracking control based on passivity principle is analyzed in case of general unknown time-varying load torque and rotor resistance.
研究了负载转矩和转子电阻在一般的未知时变情形时对异步电动机期望时变电磁转矩的渐近跟踪控制问题。
The uncertain term derived from rotor resistance, that produces the estimation error, appears in both the stator current equation and rotor flux equation.
造成电流型观测器估计误差的转子电阻不确定项,在定子电流方程中同样存在。
The modelling inaccuracy and parameter drift in motor control, such as the stator and rotor resistance shift with temperature, act as the disturbance in the control system.
电机控制模型中的建模误差,以及系统运行中的参数漂移,诸如电机的定、转子电阻随着温度发生变化,相当于对所研究的控制系统加入了扰动。
In rotor flux adaptive observers, the influence of flux amplitude tracking error estimate and rotor resistance estimate error in addition to speed tracking error is considered.
磁链自适应观测器中的非线性修正项除考虑转速跟踪误差的影响外,还考虑了转子电阻估计误差和磁链观测误差的影响。
A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
本文介绍了一种可互换模型参考自适应方法实现对电机转速和定子电阻的辨识,并将其应用于异步机的无速度传感器直接转矩控制中。
The rotor bar resistance and slot leakage inductance considering frequency effect are gotten by mean of bar loss calculation and leakage magnetic field energy calculation.
通过直接计算导条损耗与漏磁场能量得出了计及频率影响时转子导条电阻与转子槽漏感。
Commonly, by opening one switch and closing the other, two group equations are set up to measure rotor earth-fault resistance in the rotor earth-fault protection with switch sampling principle.
切换采样转子一点接地保护,通过两个静态开关一开一合建立两组方程来求解接地电阻与位置。
By means of computer control, the speed control system can control the resistance of the motor without any contact, so to realize soft starting and speed control over the wound rotor motor.
这种调速系统采用计算机控制,可无触点地调节转子的电阻来实现转子绕线式电动机软启动及调速。
Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.
利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等,录取叶片振动应变和动叶出口压力信号,然后回放磁带,做信号处理。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响,并分别提出了相应的对策和注意事项。
The resistance brazing principle; the selection of brazing parameters and quality control measures are introduced for the lap joints of copper strip rotor coils within big electrical generator.
介绍了大电机紫铜带线圈斜搭接接头电阻钎焊装置工作原理、参数选择以及钎焊质量的控制。
G different speed in the turbine, generator rotor measuring resistance around the insulation resistance and AC impedance, power consumption.
g在汽轮机不同转速时,测量发电机转子绕阻的绝缘电阻及交流阻抗,功率消耗。
Finally, the stator resistance effect of rotor position estimation in high frequency voltage signal injection is investigated.
最后,探讨了旋转、脉动高频电压信号注入法下定子电阻对转子位置估算影响的问题。
China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
我国矿井提升绞车大多是采用交流异步电机拖动,其电气控制系统采用转子串、切电阻调速,由继电器-接触器构成逻辑控制装置。
Then it introduces the rotor earth fault monitoring based on the method of resistance bridge with source, and the interturn short circuit fault monitoring in generator rotor based on stator coil.
随后介绍采用基于有源电阻电桥进行转子接地短路故障监测与采用微分探测法进行转子匝间短路故障信号。
Using the controller or the magnetic force, this string resistance velocity modulation way goes on by combining various different resistance in the same rotor way.
这种串电阻调速方式,利用控制器或磁力站对串入转子电路中不同阻值的电阻进行组合,达到调速目的。
Using the controller or the magnetic force, this string resistance velocity modulation way goes on by combining various different resistance in the same rotor way.
这种串电阻调速方式,利用控制器或磁力站对串入转子电路中不同阻值的电阻进行组合,达到调速目的。
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