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。
Experimental results demonstrated that the spectrum characteristics based on coherence analysis can be used to diagnose the stator winding inter-turn faults of induction motors.
实验结果证实,基于相关分析得到的谱特征可以作为感应电机定子线圈短路故障诊断的依据。
Turn off the TV and computer. - This kind of stimulation tells the brain to be alert when it's supposed to be winding down and has been proven to reduce sleep quality.
关掉电视机和电脑—这类刺激会在大脑,在理应得到放松的时候,让大脑保持警惕。此外这些刺激已被证实会降低睡眠质量。
The transient numeric simulation and relevant experiments of stator winding inter-turn short circuit fault of asynchronous motor are conducted using multi-loop mathematic model.
基于多回路数学模型,对异步电动机定子绕组匝间短路故障瞬变过程做了数字仿真,并完成了相关物理实验。
It is of great significance to investigate and improve the detection method of stator winding inter-turn short circuit fault in induction motors.
定子绕组匝间短路是异步电动机常见故障之一,因此研究其检测方法具有重要意义。
The main control parameters of SRD are opening angle, turn-off angle, phase current and phase winding voltage.
SRD的主要控制参数有开通角、关断角、相电流和相绕组电压。
The variation of rotor magnetic potential has been analyzed detailed when the different places of rotor winding happened the different deep inter turn short circuit fault.
对转子绕组不同位置发生不同程度的匝间短路故障时,转子磁势的变化情况进行了详细的推导。
Accident -easons of winding turn-to-turn insulation in a Hv motor are analyzed, protection measures and accident inspection methods are discussed.
论述了高压电机绕阻匝间绝缘故障发生原因,保护措施以及故障检测手段等,提出了提高匝问绝缘可靠性的办法。
The fault characteristics of stator winding inter-turn short -circuit and asymmetrical operation of generator are calculated for the fault simulation generator.
以试验所用的故障模拟发电机为例,分别对发电机不对称运行和定子绕组匝间短路进行了故障特征计算。
The fault characteristics of stator winding inter-turn short -circuit and asymmetrical operation of generator are calculated for the fault simulation generator.
以试验所用的故障模拟发电机为例,分别对发电机不对称运行和定子绕组匝间短路进行了故障特征计算。
应用推荐