当电机作四极运转时，先按二极运转启动，然后切换开关使主绕组抽头A2与A4连接电机既作四极运转，此时副绕组开路。
When the motor runs in four-pole mode, it is started at two-pole mode and taps A2 and A4 are then connected together. In the meantime secondary winding is open.
纵差保护作为防御发电机定子绕组及其引出线相间短路的主保护，对发电机安全高效运行起着重要作用。
The Differential operation is a major protector for the stator winding and leading wire of a generator, to ensure the generator operating effectively.
对压板松动时大型汽轮发电机定子端部单根绕组的两自由度主共振问题进行了研究。
Two degree of freedom principal resonance of generator end winding is studied when the clamping plates are loose.
电流通过其在电机中产生主磁通的绕组称为励磁绕组。
The winding through which a current is passed to produce the primary source of flux in the machine is called the field winding.
文章介绍了南芬露天矿295B电铲提升系统836千瓦主发电机大修中对损坏丢失的绕组数据的恢复设计。
The paper introduces a recoverable design for the lost information of generator winding during heavy repair to the elevation system of the shovel 295B, in which the 836kw generator gets out of order.
该原理通过消去变压器回路方程中直接体现主磁通的非线性项，构造了仅含漏电感和绕组电阻的二端网络。
On basis of transformer loop equation, a novel principle of transformer protection using equivalent instantaneous leakage inductance is presented.
该原理通过消去变压器回路方程中直接体现主磁通的非线性项，构造了仅含漏电感和绕组电阻的二端网络。
On basis of transformer loop equation, a novel principle of transformer protection using equivalent instantaneous leakage inductance is presented.
应用推荐