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- Miss trip analysis of stator winding grounding fault due to false PT secondary connection PT二次误接线导致的定子接地保护拒动分析
- Stator winding grounding fault 定子接地保护
- Discussion on Single Phase Grounding Fault Protection Mode of Large-scale Generator Stator Winding 大型发电机定子绕组单相接地保护方式的商榷
- excitation winding grounding fault of generator 发电机励磁回路接地故障
- Grounding Fault Protection for Stator Windings of Generator Implemented on the Basis of STD Bus 基于STD总线实现的发电机定子绕组接地保护
- stator winding grounding 定子接地
- The reason of end fingers loosening and winding grounding in stator core of hydr ogenerator were introduced in this paper. 本文介绍了压指松脱及绕组发生接地的原因,指出了事故的处理方法,并提出了改进建议。
- Taking the ground fault of stator winding of 50 MW dual internal water cooler turbo-generator for example,the diagnosis method for ground fault of generator stator winding is discussed. 以诊断一台50MW双水内冷汽轮发电机定子绕组接地故障为例,探讨发电机定子绕组接地故障的诊断方法。
- Abstract: Taking the ground fault of stator winding of 50 MW dua l internal water cooler turbo-generator for example, the diagnosis method for ground fault of ge nerator stator winding is discussed. 摘要:以诊断一台50MW双水内冷汽轮发电机定子绕组接地故障为例,探讨发电机定子绕组接地故障的诊断方法。
- The wound-rotor winding has the same form as the stator winding. 线绕型绕组和定子绕组相同。
- The simulation mainly aims at the rotor bar breaking and the inter-turn fault of the stator winding, and also the result of simulation is analyzed. 由仿真结果来看,不论是转子断条,还是定子绕组匝间短路,该模型均有一定的准确度,为异步电动机内部故障的分析和检测提供了一种仿真工具。
- This model can be used to possess the distributed capacitance of stator winding to ground, the magnetic saturation and eddy effect. 将多回路方法与电磁场有限元计算相结合,建立了发电机的多回路有限元耦合数学模型,其突出优点在于:可以计及定子绕组对地分布电容,磁路饱和以及涡流等因素,因而适用于发电机定子单相接地故障暂态分析。
- Acording to fault condition of stator winding,stator coils are combined into stator connected sets by using connection matric. 根据不同的定子绕组故障,使用联接矩阵将单个定子线圈组合为相应的定子绕组。
- As the asymmetry a nd a shorted loop of stator winding are caused by a internal fault,the conventio nal transformation can not directly be used. 定子绕组发生故障后,绕组对称性遭到破坏,传统的变换方法难以应用;若按各支路列写方程,则方程维数过高,而且收敛也比较困难。
- Usage: suitable for automatic binding of AC motor stator winding end. 用途:适用于交流电机定子绕组端部自动绑扎。
- The stator windings are treated with VPI. 采用热套工艺,将铸铝转子固定在轴上。
- stator grounding fault protection 定子接地保护
- stator single - phase grounding fault 定子绕组单相接地
- However, in this system serious over voltage may occur due to arc grounding fault. 然而,在此系统中可能由于电弧接地故障而出现严重过电压。
- The detection and location method of single-phase grounding fault based on fault indicator technology was introduced. 重点介绍了基于故障指示器技术的单相接地故障的检测和定位方法。