涌流

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。

After analyzing the phenomenon of magnetizing inrush current and theory limitations of differential protection.

本文分析了变压器的励磁涌流现象以及变压器差动保护还存在的理论缺陷。

The difference between inrush current and short-circuit current is the focus of electrical specialist.

如何区分变压器励磁涌流和短路电流是众多学者研究的热点问题之一。

Discrimination for magnetizing inrush current of transformer based on artificial neural network was studied.

研究了基于神经网络方法的电力变压器励磁涌流鉴别。

Based on the wavelet and multi-resolution theory, a new method is proposed to construct the protection judgment to discriminate the inrush current and internal fault by the ratio of high frequency segments in different scales of the energy spectrum.

基于小波多分辨率分析理论，提出了一种以能量变化率的比值作为判据，区分变压器励磁涌流和内部短路电流的新方法—小波能量谱图解法。

This was of importance for the further research of surge flow irrigation principle.

这对涌流灌溉原理的研究具有重要的参考价值。

Secondly, on the basis of mechanism of the magnetizing rush current, the new protection principle based conversation of energy is pointed out, and its feasibility also is proved in detail.

紧接着在对励磁涌流产生机理进行详细分析的基础上，提出了基于能量守恒定律的新的保护原理，并对其理论基础和可行性进行了充分的论证。

Transformer; magnetizing inrush current; fault current; BP neural network; RBF network

变压器；励磁涌流；故障电流； BP神经网络； RBF神经网络

Matlab was used for the simulation calculation about a two-source power system, and the trained neural network was used to achieve regonition of the magnetizing inrush current.

利用Matlab软件对一个双端供电系统进行了仿真运算以得到神经网络的训练样本，用经训练的神经网络实现了对励磁涌流的识别。

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。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。