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- 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。
- Research on Internal Fault Simulation Model of Three-Phase Three-Limb Transformer Based on Magnetic Transient 基于电磁暂态三相三柱变压器内部故障仿真模型的研究
- internal fault simulation 内部短路计算
- 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。
- QUANTITATIVE DESIGN OF MAIN PROTECTION CONFIGURATION SCHEME FOR LARGE AND MEDIUM GENERATORS --Application of the Internal Faults Simulation Software 大中型发电机主保护方案和配置的定量化设计--发电机内部短路仿真软件的应用
- Design and implementation of DTS-SOTS cooperative fault simulation[J].Power System Technology, 2003, 27(8): 54-59. DTS-SOTS联合故障的设计与实现[J].;电网技术;2003;27(8):54-59
- 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。
- It is the basis for realizing the generalization and maintainability of substation fault simulation and training expert system. 它不仅可以满足绘制变电站控制屏和保护屏图形的需要，也可以根据图形生成相应的知识表示，从而满足事故现象仿真的要求，同时也为实现变电站事故仿真培训专家系统的通用性和可维护性奠立基础。
- 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。
- 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。
- Thereby a pertinence fault simulation and training system has a very important signification and practicality value to improve the operator"s level of accident disposing. 因此，开发具有针对性的故障仿真培训系统，对提高运行人员事故处理的技术水平有着重要的意义和实用价值。
- By using a representative case, it is validated that the circuit fault simulation method is correct and the method will be significant for engineering practicability. 通过对典型案例的仿真分析，验证了电子系统故障仿真方法的正确性，并证明该方法具有很强的工程实用价值。
- The last chapter is composed of several technical implements of our SIMULATION PLATFORM, including automatic netlist generation, fault injection, fault simulation, etc. 最后给出了笔者参与设计的仿真诊断平台中的部分关键技术实现:如网表自动生成、故障注入和故障仿真等。
- 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。
- MA Wenqi,LANG Yansheng,MA Zhaoyan.Algorithm of fault simulation and fault-location for distributed parameter line model.Proceedings of the EPSA,1996,8(3):7-16. [7]马文骐;郎燕生;马昭彦.;分布参数输电线路故障模拟及测距
- 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。
