Overdecoupling is adopted to increase in load ability of motor, but magnetizing Current will increase at slightly weight load.
过解耦则有利于电机负载能力的提高，但在负载稍大时使励磁电流增加。
The device's core is an arc suppression coil with changeable magnetizing current controlled by a microprocessor control system.
装置的核心部分是调励磁式消弧线圈和微机控制系统。
With the help of the sweeping velocity of magnetizing current controlled by a flux feedback loop a nearly constant induced voltage is produced.
借助磁通反馈环节控制磁化电流扫描速度，使得产生的感应电压接近常数。
By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.
异步电机矢量控制由于实现了励磁电流和转矩电流的解耦控制而具有优良的动态性能。
This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法，用瞬时无功功率和励磁电流变化来估计电机转速。
Two kinds of magnetic field distribution are discussed and the result show magnetizing current on interface can be replaced with discrete mirror image current for uniform, linear and isotropic medium.
对于均匀线性和各向同性的介质，通过计算两种特殊位形的磁场分布，得到其介质界面连续分布的磁化电流可用分立的镜象电流来代替。
It is found that the two parameters aren't influenced by external fault and magnetizing inrush current, which ensures good selectivity.
理论上分析可以得到，这两个参数不受外部故障和励磁涌流的影响，因此具有很好的选择性。
There was an initial delay time at either switching the step current on or off, which was caused by the magnetizing or de-magnetizing process.
无论是在突加电流还是在去掉电流的过程中，都存在着一个由磁化或去磁过程引起的初始滞后时间。
It is the existent of magnetizing inrush current in transformer that differs transformer differential protection from differential protection of other main equipments and transmission lines.
由于变压器励磁涌流的存在，使得变压器差动保护有别于其他主设备及线路的差动保护。
In chapter six, two novel methods of distinguishing magnetizing inrush current have been studied.
第六章研究了两种鉴别变压器励磁涌流的新方法。
After analyzing the phenomenon of magnetizing inrush current and theory limitations of differential protection.
本文分析了变压器的励磁涌流现象以及变压器差动保护还存在的理论缺陷。
So far, the core problem of transformer differential protection is still how to precisely identify the magnetizing inrush current.
迄今，变压器差动保护的核心问题仍然是如何准确识别励磁涌流。
So distinguishing between magnetizing inrush current and fault current correctly is the key to ensure transformer differential relay to operate credibly.
因此，正确识别励磁涌流是保证变压器差动保护可靠运行的关键。
So distinguishing between magnetizing inrush current and fault current correctly is the key to ensure transformer differential relay to operate credibly.
因此，正确识别励磁涌流是保证变压器差动保护可靠运行的关键。
应用推荐