您要查找的是不是:
- Setting system of generator internal faults protection based on the graphic interface 基于图形界面的发电机内部故障主保护整定系统
- A THEORETICAL BASIS FOR GENERATOR INTERNAL FAULT ANALYSIS SOFTWARE--MULTI-LOOP ANALYSIS METHOD 发电机内部故障分析软件的理论基础--多回路分析法
- DYNAMIC SIMULATION AND COMPARISON OF SEVERAL PROTECTION SCHEMES FOR GENERATOR INTERNAL FAULT 发电机定子绕组内部故障保护方案的动模试验比较
- generator internal faults 发电机内部故障
- 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。
- The development of research on internal short circuit of generator is reviewed.New approach for research on internal faults of large turbogenerator and hydro generator is expounded. 回顾了发电机内部短路研究的发展状况,阐述了大型汽轮和水轮发电机内部故障研究的最新进展和新问题。
- 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。
- We are trying to follow some general intern atonal practice. 我们在尝试按国际惯例办事。
- We be trying to follow some general intern atonal practice . 我们在尝试按国际惯例办事。
- As supersonic generator internal structural Fig.1 shows , it has two piezoelectricity crystal and a resonance board. 超声波发生器内部结构如图1所示,它有两个压电晶片和一个共振板。
- We is trying to follow some general intern atonal practice. 我们在尝试按国际惯例办事。
- 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。
- Only we are trying to follow some general international practices. 我们只是努力遵循一些基本的国际惯例。
- 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。