1、

The formulae for SMIS are derived and verified by case simulation, the solution of critical clearing time ( CCT) of three-phase short fault in MMS is theoretically discussed.

对单机无穷大母线系统进行了公式推导和仿真验证,从理论上探讨了多机系统的三相短路故障临界切除时间求解方法。

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2、

the numerical analysis for the assembly stress in the local short fault of a vessel girth joint

压力容器环焊缝局部短错边装配应力数值分析

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3、

the quantitative relations between squirrel cage rotor broken-bar fault and parameter change and between stator winding turn-to-turn short fault and parameter change are established. an asynchronous motor interior fault simulation method is presented based on equivalent circuit parameters.

推导了鼠笼转子导条断裂故障与参数变化之间的定量关系以及定子绕组匝间短路故障与参数变化之间的定量关系,提出了一种基于电动机等效电路参数的内部故障仿真方法。

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4、

The effect of the controller proposed is verified in the transient of three-phase short-circuit fault on the transmission line.

输电线路发生三相对称短路故障,在此暂态过程中,考察所给控制器的控制效果。

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5、

Application of the algorithm ensures that the result of Ucos φ is accurate, convergent and the true expressions of the voltages and currents in the site of relay when power swing and three-phase short-circuit fault happens at the same time.

用此算法求出的Ucosφ数值精度高,收敛性好,更真实地反映了电力系统振荡过程中发生三相短路时保护安装处电压和电流的变化;

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7、

In the neutral-point solid ground three-phase network, single-phase earth fault and two phase earth fault almost account for 85 per cent in all short-circuit fault.

单相接地短路和两相接地短路是中性点直接接地的三相电网中最常见的故障,约占所有短路故障发生总概率的85%。

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8、

Simulating Study on Three-phase Induction Motor with Short-circuit Fault Operation

三相感应电动机短路故障运行的仿真研究

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9、

Simulation indicate the wavelet analysis method is suited to detecting fault of interturn short circuit in turbin-generator rator windings.

仿真实例表明,小波分析方法适合于转子绕组匝间短路故障的检测。

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10、

Experimental results show that the designed classifier has many advantages of high training speed, short test time and high classification accuracy on fault diagnosis for rotor systems online.

将该方法应用于转子系统在线故障诊断中,结果表明,所设计的算法具有训练速度快、测试时间短、分类准确率高等特点。

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11、

Finally, with the study on simulation of interphase short circuit fault of induction motor on independent power system, the paper proposes a scheme of time overcurrent protection which has power directional element.

最后通过对独立电力系统中异步电动机相间短路故障的仿真研究,提出了加装功率方向元件的定时限过电流保护的配置方案。

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12、

Mine existing quick-break power supply value can not be over-current protection setting, leakage protection and so difficult to achieve more difficult, leading to leakage, short circuit fault occurs frequently, a serious threat to reliability.

煤矿井下供电目前存在速断过流保护定值无法整定、漏电保护难实现比较等难题,导致漏电、短路等故障发生频繁,严重威胁供电可靠性。

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13、

The series-wound reactor on the compensator is short of necessary protection against inter-turn fault.

其串联电抗器缺乏必要的匝间故障保护;

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14、

I didn't dress properly, this was partially my fault, I know how to dress better now, but I was not a good dresser a short while ago.

噢!我穿得不太合适,某种程度上那是我的错,现在我知道如何更得体地穿着了,但不久之前我还不怎么会。

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15、

Calculation of induced voltage on communication line in case of a short circuit fault on transmission line

电力电缆短路故障时通信线上感应电压的计算

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16、

Those enterprises which highly rely on network information are sensitive to service fault, immense economic lose may caused by short time service failure. Therefore, to design a monitoring system suitable to heterogeneous computing environments has a wide range of practical significance.

为避免网络信息化依赖程度高的企业因应用系统故障而造成巨额经济损失,设计一个适用于异构计算环境的监控系统具有广泛的现实意义。

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17、

Analysis of CT secondary circuit short-circuit fault and its countermeasure

电流互感器二次侧短路故障分析及对策

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18、

Digital Simulations of Short-Circuit Fault in Power Systems Based on Park Coordinate Transformation

基于派克变换的电力系统非全相故障的数值仿真

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19、

This paper finally to synchronous generator of three-phase short-circuit as example, using four order Runge Kutta method to simulate synchronous generator three-phase short-circuit fault phenomenon, and the real-time simulating and analyzing the simulation step on the single DSP, obtained the ideal simulation step.

文章最后以同步发电机三相短路故障为例,采用四阶龙格库塔法在单台DSP上进行了实时仿真并对仿真步长进行了比较分析,得出了实时仿真较为理想的仿真步长。

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20、

So the time of Ucos φ detecting three-phase short-circuit fault in power swing process is shortened, and the performance of whole protective device is improved.

因此可以大大缩短Ucosφ作为电力系统振荡过程发生三相短路判别元件的动作时间,提高整套保护的性能。

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