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涌流

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It was not simple a source of power, it was a new wave of movement.

水在乡村里到处涌流漫溢,它不仅仅是一种能源,还能带来了新的运动。

It is believed that the de-velopment of argillaceous reservoirs has something to do with miscible shove an.

根据有关油气初次运移的模拟试验及相关理论,认为泥质岩油气藏的形成与混相涌流有关,断裂活动是导致油气在生油岩内顺层定向富集的主要诱因。

God's love is not drawn out by our lovableness, but wells up, like an artesian spring, from the depths of hisnature.

上帝的慈爱不是被我们值得爱的特点吸引出来的,而是从上帝的本质中,就像不断涌流的工匠巧思。

Powered by an energy conversion involving processing of random quantum fluctuations and kinetic energy within the atomic lattice into coherent currents of electron pairs formed between two-dimensional boundaries of different type materials.

根据进入在不同类型材料的二维边界之间被形成的电子双的互相密合着涌流之内包括任意分配量变动和原子的格子里面的动能的处理的能源转变有力量。

Our lives, rather, should have a giving quality about them and be marked by an outward flow.

所以,我们的生命也该有奉献和向外涌流的特征。

The paper makes an improvement on the circuit model of transformer in calculation of electromagnetic transients. Two conditions are investigated: exclusion of transformer magnetizing branch and inclusion of hysteresis curve of transformer magnetizing branch.

本文在电磁暂态计算中完善了变压器的电路模型,分析了在不考虑变压器励磁支路和考虑励磁支路的情况下线路合闸过电压水平计算值的差异,研究了合空变励磁涌流,最后对得出的计算结果进行了分析。

In previous work a noncirculating type of bearing current caused by parasitic capacitive coupling from stator windings to the rotor was identified.

在早先的工作中一非循环类型生由从固定子卷到转子的寄生电容的联结所引起的涌流被识别。

According to the analysis of reasons of transformer mal-operation in Pingdingshan Electric Power Bureac for years , and according to the present situation of transformer protection studies and applications at home and abroad. This paper points out the shortcomings of discrimination between internal faults and magnetizing inrush, the problems existing in differentiating the slight faults of turn-to-turn in transformer are also advanced. On the base of the electromagnetic characteristics of transformer, the relations between fluxional differential current and voltage of source side analyzed, all the operating states of transformer simulated by EMTP/ATP, the criterion of magnetizing inrush in transformer is got. Through the wavelet analysis of current waveform, using the intense reaction of wavelet transform to the little change of signal, the internal faults of transformer are distinguished by testing local extremum.

本文根据平顶山市电业局历年来变压器保护误动的原因分析,并根据国内外变压器保护使用和研究的现状,指出了现有变压器保护在区分变压器励磁涌流和内部故障方面以及在判断变压器匝间轻微故障方面存在的问题和不足;从变压器电磁特性出发,分析了电源侧电压和电流微分之间的关系,利用电磁暂态仿真程序对变压器各种运行状态进行了仿真,并以此建立了判断变压器是否含有励磁涌流的判据;通过对电流波形的小波分析,利用小波变换对信号微小变化极强的反映能力,通过检测电流的局部极值点来区分变压器运行状态,并作为上述判据的补充。

An improved wavelet packet algorithmis introduced. Inrushes under different conditions can be identified form different kinds of internal fault on power transformers using the WPA. Simulation results show that correct identification of the inrush can be made with half-cycle sampled data under all kinds of condition.

其中包括:提出利用小波变换对变压器励磁涌流和各种内部故障进行时域分析,构造了一种基于小波包变换的识别变压器励磁涌流的快速算法;设计了一种基于正交小波变换的电力系统振荡与故障的快速识别算法。

Thereby, fault currents can be distinguished from the inrushes if the improved correlation coefficient between the pre-half and the post-half cycle of the measurand is larger than the setting value.Test results show that all types of internal faults even accompanied by magnetizing inrush can be correctly identified from the inrush with the proposed algorithm. Besides with high reliability , this scheme has satisfying sensitivity.

仿真和动模试验表明,该判据能正确识别各种情况下产生的励磁涌流,在变压器带长线发生内部故障、内部故障与励磁涌流并存及CT特性较差的情况下,仍能快速正确地启动出口动作,具有较好的鲁棒性。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?