• 介绍适用三相接地系统短路故障流器。

    This paper introduces a novel short circuit fault current limiter applicable to the three-phase ungrounded power systems.

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  • 验证短路故障条件下直流负载转换器动态稳定特点

    Verify that the DC side load converter dynamic stability characteristics under short-circuit fault conditions.

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  • 变压器内部短路故障发生原因主要是变压器内部的绝缘失效

    Transformers do suffer from the internal short-circuit faults mainly due to internal insulation failure.

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  • 获取准确短路故障电流分布电力系统电磁兼容重要内容之一

    Solving the fault current distribution is one of the most important tasks in the research of electromagnetic compatibility in power system.

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  • 分析研究了一起复杂相间接地短路故障引起的大量负荷瞬间损失事故

    This paper analyzes and researches a serious load loss accident arising from complex phase-to-phase grounding short-circuit fault.

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  • 经过多次试验证明方法判断汽车短路故障正确率接近100%。

    The many tests show that using this method to judge automotive short circuit trouble point is approximately 100 % accuracy.

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  • 电力变压器线圈之间耦合特性使内部短路故障外部特性具有复杂性

    The coupling between coils in power transformer causes the complexity of external characteristics of internal short circuit faults.

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  • 基于端口网络理论,采用等值电源分量进行跨线短路故障计算

    An equivalent two source phase domain method for calculating interline fault in the double circuit line is presented.

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  • 介绍小型三相电力变压器线圈短路故障查找方法试验注意事项。

    This paper introduces the trouble shooting methods for the coil short of miniature three-phase power transformer, and points out some notable matters in the test.

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  • 低压智能型断路器出现完善使低压配电网络短路故障保护趋合理

    The appearing and improving of intelligent type low-voltage circuit breakers enable short circuit breakdown protection for low-voltage power distribution network to be more reasonable.

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  • 本文介绍了一种基于人工神经网络同步电机转子短路故障在线诊断方法

    This paper presented the establishment method of the Operating Logic Function for the electric equipment of substation.

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  • 相对雷电干扰普通短路故障雷击引起故障时的行截波特征非常明显。

    Relative to lightning disturbance and short-circuit faults, the chopped wave caused by lightning-induced weak faults is obvious.

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  • 因而算法可以非常容易地计算在高压远距离输电线短路故障暂态短路电流

    With this algorithm the transient short circuit current of HV distant transmission line can be easily calculated.

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  • 根据故障后支路的电压方程和磁链方程得出了各种绕组短路故障的等效模拟电路;

    According to the basic electric circuit theory, the simulation method of various winding fault is deduced.

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  • 提出一种电网短路故障时保持交流励磁风力发电机不脱网运行的新型励磁控制策略

    A new excitation control strategy is proposed for the rotor side converter in an AC excited wind-power generator to allow the system to ride through the grid short-circuit fault.

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  • 分析汽轮发电机转子绕组短路故障转子不平衡故障时定、转子径向振动特征

    The generator vibration characteristics caused by rotor winding interturn short circuit fault and imbalance fault are analyzed respectively.

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  • 然后针对供电线路经常出现的短路故障漏电故障问题提出最新保护策略方法

    Then for the short-circuit faults, leakage faults and others of the power lines are often solved by taking the latest protection strategies and methods.

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  • 通常短路故障电流会大大高于这个倍数,而软启动器晶闸管本身没有短路分断能力的。

    The reason is that soonest at the next current zero-crossing the firing pulse of thyristors can be reset.

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  • 短路故障模型仿真结果表明机车起动电流短路电流的相似直流馈线保护造成影响

    Short-circuit fault model simulation results show that the locomotive starting current is similar to the remote short-circuit current will affect the DC line protection.

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  • 同时,针对三相短路故障数字仿真对控制策略进行了验证结果表明控制策略有效可靠的。

    The presented control strategy is tested and verified by three-phase short circuit fault and the results show that this control strategy is effective and reliable.

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  • 应用“多回路分析法深入、详尽地计算了13 104短路故障全部分支电流大小相位

    The phase and the size of all branch currents of the 13,104 kinds of fault of short circuit were calculated thoroughly thorough " mufti - bop analysis ".

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  • 证明了任何组合电路中,只需两个测试码便测试出所有可能的初级输入输出之间短路故障

    It is shown that any feedback bridging faults between primary inputs and the primary output in any general combinational networks can be betected by using only two test patterns.

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  • 基于交流阻抗两极电压试验数据分析发现发电机转子绕组因存在造成短路故障原因

    Based on the analysis of AC impedance and two poles voltage test data, the reason of turn - to - turn short circuit fault caused by having copper dregs in generator rotor winding was found.

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  • 判据可以不对称故障进行故障定位,这些故障包括单相接地故障相接故障两相短路故障

    The justifying conditions can be used to justify the location of faults, including single phase earthing, two phases earthing and two phases shorting.

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  • 分析汽轮发电机发生转子绕组短路故障电磁特性提出了基于分析的故障检测诊断方法

    Electromagneic characteristic of the interturn short circuit in turbo-generator rotor windings is analyzed. And a method of fault detection and diagnosis based on wavelet transform is presented.

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  • 微机接触网故障测距装置能电气化铁路接触网发生各种短路故障自动进行故障诊断故障精确定位

    Feeder fault locator will carry out the automatic fault diagnosis and precise fault loca-ting after different short-circuits faults have occurred in electrified railway feeder.

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  • 随后介绍采用基于有源电阻电桥进行转子接地短路故障监测与采用微分探测进行转子匝短路故障信号。

    Then it introduces the rotor earth fault monitoring based on the method of resistance bridge with source, and the interturn short circuit fault monitoring in generator rotor based on stator coil.

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  • 基于多回路数学模型异步电动机定子绕组短路故障瞬变过程做了数字仿真完成了相关物理实验

    The transient numeric simulation and relevant experiments of stator winding inter-turn short circuit fault of asynchronous motor are conducted using multi-loop mathematic model.

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  • 可靠判断检测界内界外毫安电流相间短路故障电流,实现自动切除单相接地故障相间短路故障

    Can reliably determine, within the community and bounds detection ma level and zero-sequence current phase short circuit fault current, automatic removal of single-phase ground fault and phase fault.

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  • 使用矩阵运算代替对称分量法的传统序网故障变换,实现不对称短路故障计算,并给出常见故障对应的参数矩阵。

    Calculation formulas are proposed with matrices calculation to deal with unsymmetrical faults and parameter matrices for various faults are listed.

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