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- When internal fault occurs in the stator windings of synchronous generator,there are strong harmonics in the air gap. 同步电机定子绕组发生内部电气故障时,气隙磁场中存在很强的空间谐波分量。
- With the data generated by this internal fault simulation model, the protection scheme used for powerformer can be validated and improved accordingly. 利用该模型可以对高压发电机的保护方案进行有效的验证或者作相应的改进。
- The calculation result shows that this method is able to detect transformer internal fault and magnetizing inrush current correctly. 计算结果表明该方法能可靠识别内部故障和励磁涌流，效果明显。
- How to discriminate between internal fault and magnetizing inrush current is the difficulty of transformer protection when apply differential relay. 变压器主保护选择差动在原理上存在不足，带来的问题就是如何准确鉴别励磁涌流与内部故障，这也是目前变压器保护的难点。
- Digital simulation shows that the proposed method can distinguish internal fault from external fault, magnetizing inrush current, normal operation. 经仿真计算验证，该方法能有效地区分内部故障和励磁涌流、外部故障及正常运行状态。
- 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。
- Based on wavelet transform and multiresolution analysis, a new method to distinguish transformer inrush current from its internal fault current is proposed. 提出一种基于小波变换和多分辨分析识别变压器励磁涌流和内部故障电流的新方法。
- Introduced the methods of analyzing and diagnosing internal fault using chromatography analysis technology for larger scale oil-filled electric equipment. 介绍了应用色谱分析技术对大型充油电气设备内部故障进行分析与诊断的方法。
- The waveform characteristics of transformer magnetizing inrush and internal fault current are analyzed and a method to identify magnetizing inrush is presented. 分析变压器励磁涌流和内部故障电流的波形特征,提出励磁涌流识别的新方法。
- Flammable gas found in the relay indicates some internal fault such as overheating or arcing, whereas air found in the relay may only indicate low oil level or a leak. 而继电器内的空气只说明油位低或者有漏油。
- According to the direct current component of the generalized instantaneous power flowing into the two-terminal network, magnetizing inrush and internal fault can be distinguished. 根据输入端口的广义瞬时功率直流分量的大小，来区分励磁涌流和内部故障电流。
- A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed. 在分析瞬时功率频谱特性的基础上,提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
- At this point your logic is at fault. 在这一点上你的推理是错误的。
- In power transformer the main concern lies in the accurate and rapid discriminate between magnetizing inrush and internal faults currents. 电力变压器的励磁涌流识别一直是变压器保护的一个重要问题。
- The grumpy man found fault with everything. 那个性情乖戾的人对什么事都要找岔。
- It was not our fault that we were late. 这次迟到不是我们的错。
- They charged the fault to my carelessness. 他们把这个过失归咎于我的疏忽。
- I can send him a note via the internal mail system. 我可以通过内部通信系统给他发个通知。
- Analysis on Internal Fault of Transformer Core 变压器铁心内部故障分析
