Based on the analysis of control strategy of the system, this paper used respectively voltage oriented and stator flux oriented vector control in grid side and rotor side of the converter.
在分析了该系统控制方法的基础上,建立了交直交变频器网侧电压定向以及转子侧定子磁场定向的矢量控制系统模型。
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。
Once the product is ex-work, the motor load condition shall be judged initially based on the rotor voltage and current, and liquid resistance will be ready.
产品一经出厂,它是按照电机转子的电压、电流初步判断电机负载情况已配制好的液阻。
Based on practice, the reasons of large and medium-sized high voltage wound rotor three-phase asynchronous motor rotor failure were expounded, and viable approach was designed.
结合生产实践,系统阐述了大中型高压绕线转子三相异步电动机转子产生故障的原因,并提出了可行的处理方法。
Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn short circuit fault caused by having copper dregs in generator rotor winding was found.
基于交流阻抗和两极电压试验数据的分析,发现发电机转子绕组因存在铜渣而造成匝间短路故障的原因。
An improved rotor flux estimator based on voltage model was proposed for speed sensorless field-oriented vector controlled induction motor drives.
针对感应电机无速度传感器磁场定向控制系统,提出一种基于电压模型的改进转子磁链观测方法。
Influences on the speed and direction of the rotation by the phase Angle of the supply voltage, initial Angle of rotor position, PM line flux and the load torque are discussed.
同时讨论了电源合闸角、转子初始相角、磁链和负载转矩对电机转速和旋转方向的影响。
Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.
分析了下桥臂调制方式下绕组端电压波形,并基于此介绍了反电势法检测转子位置原理。
The direction of the rotor rotation depends on which voltage (exciting or control) is phase-leading.
转子的转动方向取决于哪个绕组的相位是超前的。
The direction of the rotor rotation depends on which voltage (exciting or control) is phase-leading.
转子的转动方向取决于哪个绕组的相位是超前的。
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