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grounding相关的网络例句

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In this paper the reason of rapid increase of single phase short circuit current in 500 kV substation is analyzed. Through the calculation it is proved that neutral grounding by small reactance is an effective measure to reduce the single phase short circuit current, and the calculation method of the zero\|sequence reactance after autotransformer neutral grounding by small reactance being applied is expounded.

文中研究了500kV变电站单相短路电流急剧增长的原因,计算了变压器中性点经小电抗接地对限制单相短路电流的作用,论证了经小电抗接地是限制单相短路电流的有效措施之一,并阐述了500kV自耦变压器中性点经小电抗接地后,其等值零序电抗的计算方法,可供工程参考。

By analyzing the performance and comparing the minimum section area of grounding electrode of copper with galvanized steel,the connection method with exothermic fireclay fusion splicing of copper grounding electrode with good performance is introduced.

对铜与镀锌钢的性能和接地体最小截面进行比较分析;介绍了效果良好的铜接地体的放热火泥熔接的连接方式;提出铜材接地网实施的优化措施,并结合工程实践,对铜材接网及镀锌钢接地网进行了技术经济比较。

High voltage test hall ; grounding resistance ; grounding measures

高压试验厅;接地电阻;接地措施

With the increasing of the number of power cables and loads in mediumvoltage systems, low-resistance grounding and arc suppression coil groundinghave been the primary grounding methods of the neutral.

随着中低压配电网中电力电缆数量的增加以及用电负荷的增大,系统中性点采用小电阻或消弧线圈接地方式已取代过去的不接地方式成为中低压配电网运行方式的主流。

As an important way to reduce grounding resistance, nonmetal grounding module was introduced in this thesis.

在降阻措施方面,本文重点研究了非金属接地模块。

Medium voltage network ; switching surge ; automatic arc quenching coil ; microcomputer relay protection ; resonance grounding ; low resistance grounding

中压电网;内部过电压;自动消弧线圈;微机接地保护;谐振接地;低电阻接地

For the selection of onshore large and middle generator neutral grounding, there aretwo grounding ways: Peterson coil and high resistance.

在现有陆地大中型发电机中性点接地选择上,主要有消弧线圈接地方式和接地变高阻接地方式。

2 Dead metal parts of a device provided with a socket contact or terminal identified for use as an equipment-grounding conductor shall be conductively connected to the grounding-conductor path.

9.2 一个配有插孔接触件或确定用作设备接地导线的接线端子的器件,它的不带电零件应被导电地连接到接地导线通路。

The numerical calculation of grounding grid in large-scale substation under different conditions are carried out, including the breaking of grounding grid occurred in its edge part, in its mid-position as well as in different places simultaneously, thus the variation law of connective resistance of grounding grid under different conditions is obtained.

通过模拟计算,研究了变电站接地网导通电阻的变化规律,对不同情况下的接地网进行了模拟计算,包括边缘部分断开、中间部位断开以及多处部位断开,得出了不同情况下导通电阻的变化规律,结合变电站导通电阻的测试,将测试数据与计算数据进行比较,可判断接地网存在问题的位置。

In order to compute the impulse grounding resistance of extended grounding electrode accurately, using a nonlinear differential circuit model, this paper introduces a method for computing the impulse grounding resistance based on the spark discharge characteristic of the earth.

为较准确解决伸长接地体冲击接地电阻的计算问题,采用非线性差分电路模型,导出了一种考虑土壤火花放电特性的伸长接地体冲击接地电阻的计算方法。

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