故障电流限制器提供了另外一种解决方案。
具有高可靠的异向接地故障电流开断能力；
With high & reliable ground fault current breaking capacity;
本论文对故障电流限制方案进行了基础性研究。
Fundamental investigations have been performed in this thesis on the fault current limiting schemes.
本文对故障电流相位修正测距算法进行了分析讨论。
In this paper the fault locating algorithm based on phase Angle modification of the-fault current component is discussed.
计算远端短路故障电流时，必须考虑轨道暂态电气参数的变化。
Calculating Remote short circuit fault current, one must consider that the electrical parameters vary with current.
中压电网中，单相接地故障电流的危害性受到了人们的普遍关注。
The harm of single-phase grounding fault current in the medium-voltage power network has been gotten the universal solicitude of people.
由于电力系统容量和并网规模的扩大，导致系统故障电流迅速增加。
The increase of electric power and growing transmission networks leads to very high short circuit currents.
获取准确的短路故障电流分布是电力系统电磁兼容的重要内容之一。
Solving the fault current distribution is one of the most important tasks in the research of electromagnetic compatibility in power system.
应注意到，直流输电系统并不会增加交流系统故障时的故障电流。 收藏。
It should be noted that the DC transmission system does not contribute to the fault current flowing in the AC system5 during the AC faults.
纪录电力线路的历史数据，短路时刻、故障相别、故障电流、故障距离等。
It has these below characteristics: 1 to record power circuit historical data, short-circuits the time, the breakdown, the fault current, the breakdown do not be away from and so on.
接地的目的是提供故障电流和雷电流泄流通道，保证系统、设备和人员安全。
The aim of grounding is to provide the discharging channels for fault current and lightning current and ensure the safety of the system, the equipment and the personnel.
变压器差动保护的关键问题是判别变压器差动电流是励磁涌流还是故障电流。
It is essential to distinguish excitation inrush from fault current in transformer differential protection.
如有故障发生，熔断器会断开，使所有故障电流流经跳闸线圈，将断路器断开。
If a fault occurs, the fuse ruptures diverting all the fault current through the trip coil, tripping the breaker.
因此，限流电阻的选择十分重要，既要限制故障电流，又不能引入太大的噪声。
It is, of course, important to choose the resistor so that it neither degrades the noise performance of the system nor allows too much current to pass under fault conditions.
介绍了利用故障电压和故障电流计算故障回路电抗值的电抗法故障点定位的原理。
The theory of fault locating by calculating the reactance of feeder line with measured fault current and voltage is introduced.
电力系统继电保护装置的动作正确性在很大程度上取决于故障电流转变的准确性。
The correct operation of relay protections largely depends on the correct detection of fault current in power system.
提出了一种基于网格分形和自适应形态滤波器识别励磁涌流与内部故障电流的新方法。
Based on grille fractal and self-adaptive morphological filter, a novel approach to identify inrush current and internal fault current is presented.
在高中压系统，充电保护电流定值是按躲过最小运行方式故障电流整定，并要求瞬时动作；
In high-middle voltage power system, the current setting of the charge-protection always bases on the fault current in the minimal operation mode, and the break should be snapped action.
采用快速开关可显著减少故障电流限制器的运行损耗，采用GTO可降低电流转移的难度。
By using the fast switch, the power loss of the FCL in normal operation condition could be avoided, and by using the GTO, the rapid current-transferring could be realized with a smaller difficulty.
通常的短路故障电流会大大高于这个倍数，而软启动器的晶闸管本身是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.
在比较励磁涌流和故障电流形成暂态信号各自特点的基础上，提出了一种变压器保护新方案。
Based on different characteristics of transient signals between the short circuit current and the inrush current, the transformer protection method is proposed.
采用故障电流限制器来抑制电网故障时的短路电流是保证断路器遮断容量不致超限的有效方法。
It is an effective approach to ensure the non-exceeding of the breaking capacity of line breaker by adopting fault current limiter to restrain short-circuit current when the grid is in fault.
由于故障电流小、电弧不稳定等原因，小电流接地系统单相故障选线问题始终没有得到彻底解决。
On account of the weak fault current and unstable fault arc, the problems of the single phase to ground fault line selection in the non-solid earthed network have never been thoroughly resolved.
断路器遇故障分断后，智能控制器能显示出故障类别、故障相序及故障电流值、分断动作时间值。
Type of fault, phase sequence, value of faulty current and breaking action time will be indicated on the intelligent controller promptly if breaker turns off because of faults.
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。
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.
能可靠判断、检测界内与界外毫安级零序电流及相间短路故障电流，实现自动切除单相接地故障和相间短路故障。
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.
电力半导体器件故障电流(特别是短路电流)的确认与及时有效保护，对电力机车交流装置的可靠工作至关重要。
Acknowledge and in time effective protection of power semiconductors from fault current is of utmost importance for the reliable operation of AC equipment on electric locomotive.
为了限制逆变器桥臂直通短路时故障电流的上升率，可以在装置的直流侧安装一种称为“环流保护电路”的附加电路。
In order to restrict the rising rate of fault current caused by short circuit on one arm of bridge of inverter, a kind of device named current loop protection circuit can be adopted.
由于故障电流小、故障信号微弱、故障情况复杂及系统运行方式多样等原因，接地选线题目一直没有得到很好的解决。
Due to the small fault current, unobvious fault features, the complex fault circumstances and the various system run mode, the problem of fault line detection hasn't been well settled.
由于故障电流小、故障信号微弱、故障情况复杂及系统运行方式多样等原因，接地选线题目一直没有得到很好的解决。
Due to the small fault current, unobvious fault features, the complex fault circumstances and the various system run mode, the problem of fault line detection hasn't been well settled.
应用推荐