Key words: low current earth electrical network, transient earth fault, zero-sequence energy, energy variation.

1、

A double lines distance relay based on the zero sequence components is presented.

提出了适用于平行双回线路的零序距离继电器新判据.

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2、

It mainly focuses on analysis and determining method of zero sequence power direction relay.

重点介绍零序功率方向继电器的分析及判定方法.

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3、

These reactive devices can't suppress the zero-sequence and negative-sequence current resulted from the unbalanced load.

而且不能补偿不平衡负载导致的零序、负序和中线电流.

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4、

Abstract: Zero sequence directional power protection is widely used in neutral directly grounded system.

文摘: 在大电流接地系统中广泛采用着零序功率方向保护.

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5、

A novel principle of negative-sequence current compensation based adaptive zero-sequence over-voltage protection is therefore proposed.

该文提出一种新的基于负序电流补偿的自适应零序过电压保护原理.

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6、

The equations of zero-sequence coupling transmission lines are derived from telegraph equations.

运用电报方程推导出零序耦合传输线的输线方程.

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7、

Storage yard MIS is one of the emphasizes for research.

货场管理信息系统是论文研究的重点之一.

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8、

And a large team-owned motor transport, storage yard and other facilities.

并有大型自备汽车运输队, 仓储堆场等配套设施.

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9、

We found your machine tools up to the international standard.

我们认为贵公司的机床达到了国际标准.

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10、

Now this format an international standard after the world of consumer benefit.

现在这个格式成为国际标准之后将使全世界的使用者从中受益.

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11、

The main quality index than international standard, this product, welcome overseas customers.

主要质量指标超过国际上通用标准, 该产品深受客户欢迎,享誉海外.

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12、

All the exports come up to the international standard.

所有的出口商口必须达到国际标准.

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13、

Such amendments shall meet all the requirements of this International Standard.

这种修改应满足本标准的所有要求.

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14、

Pass ISO 9001 national standard quality system authentication.

并通过ISO9001国标质量体系认证.

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15、

Table 5 bench to adopt national standard angle steel production, processing completed pre-coated surface rust primer.

工作台台架采用5号国标角钢制作, 加工完毕表面预涂防锈底漆.

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16、

The efficiency of purification could reach 96 % . The exhaust can reach the national standard ( Grade A ).

确定了装置最佳工作条件,净化效率达96%.

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17、

Dimension and tolerance dimensiontolerance of bar, wire, plate and rod accord with national standard.

尺寸及公差:条、丝、板、棒均按对应国际控制.

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18、

All the products have met the all International and National standard in terms of environmental performance.

在环保性能上符合国际国内各项标准.

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19、

Made it accord with the relating national standard and provided the credible technical information.

使之符合有关国际标准,为批量生产提供可靠的技术资料.

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20、

The national standard prescribed different kinds of groove forms and groove sizes for steel welded joints.

本标准规定了钢焊接接头的各种坡口形式与坡口尺寸.

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