根据同步发电机结构及工作原理,由于定子铁芯组合缝、定子硅钢片接缝,定子与转子空气间隙不均匀,轴中心与磁场中心不一致等,机组的主轴不可避免地要在一个不完全对称的磁场中旋转。这样,在轴两端就会产生一个交流电压。
哈尔滨大电机研究所 关键词] LCI;变频调速;有限元分析;轴电流;全阻尼绕组 [gap=1045]Key words: LCI; variable frequency adjustable speed; FEA; shaft current; full-damper winding
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哈尔滨大电机研究所 关键词] 电动机;轴承损伤;轴电流;危害与防治 [gap=899]Key words: electric motor; bearing damage; axis current; hazards and control
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零轴电流 zero-axis current
轴电流保护 shaft-current prevention
主轴电流 spindle motor current
交轴电流补偿电压程度 QCC
轴电流互感器 axial current transformer ; shaft current transformer
轴电流继电器 axial current relay
轴承电流 bearing current ; shaft current
轴带交流发电机 shaft alternator ; AC shaft generator ; alternating current shaft generator
连轴电动换流机 coupling motor converter ; direct coupling motor converter
·2,447,543篇论文数据,部分数据来源于NoteExpress
电机轴承采用绝缘结构,减小了轴电流对轴承的损伤,提高了轴承寿命。
Insulation structure for bearing, reduce the damage from shaft current and improve the life of bearing.
采取断开轴电流通路的方法,成功解决了这一问题,并提出了进一步的防范措施。
This problem has been successfully solved by adopting method to cut off the path of shaft current, and preventive measures being further put forward.
结合数学模型,讨论了有关矢量控制的原理和直轴电流最小控制的数字实现方法。
And according to the mathematical model, vector control principle and minimal direct axis current control and its digital realized method were discussed.
Neurotransmitter release is stimulated by the electrical activity that reaches the end of the axon.
到达轴突末梢的电流变化,刺激了神经递质的释放
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