而自耦变压器中性点调压则会带来相关调压问题。
But there is a problem of related voltage change for an autotransformer.
禁止任一变压器中性点或发电机始点处直接接地。
No direct connection from either transformer neutral points or generator star points to earth is permitted.
并通过对比，找出井下变压器中性点不允许直接接地的原因。
Through contrast analysis, finds the reason of not allowed direct ground connection for transformer under the shaft.
因此测试区域应包括变压器中性点和避雷器接地引线以及易腐蚀区域。
So the measured region should include the ground leads of transformer and arrester.
介绍变压器中性点直接接地和不接地系统中人身触电电流的计算方法。
This paper introduces the calculating method of person shocking current in the sysytem of power supply of neutral dot directground connection and not ground connection.
变压器中性点的接地方式会影响到变压器被保护的程度以及变压器所需的绝缘量。
The method of grounding the neutrals of the transformers affects the degree of protection that can be given them and the amount of insulation they need.
通过计算和分析表明：变压器中性点接入小电抗对系统的操作过电压基本不会产生影响。
Through deduction and analysis, the conclusion can be made: low reactance at the neutral point of transformer has little effect on the switching over-voltage in power systems.
本文主要对目前大电流中性点接地变压器中性点保护普遍采用的保护方式进行了探讨；
In this paper, the current-current neutral grounding transformer neutral point commonly used to protect the way of protection was discussed;
鉴于目前国内对于变压器中性点直流电流还没有一个统一的标准，有必要尽快加以制订和实施。
Since there is no unified standard for DC current through the neutral point of transformer in China, it is necessary to define and enforce a unified one as soon as possible.
该导纳矩阵包含了变压器各绕组的联结方式、变压器的电气参数及变压器中性点的接地方式等信息。
The admittance matrix includes the information about the winding connection of the transformer, the electrical quantities of the transformer, and how the start points are connected.
笔者通过对几例大型变压器中性点绝缘故障实例的分析，说明了现场考核变压器中性点绝缘的必要性。
Through the analysis of some neutral-point insulation faults of large transformers, the necessity of on-site examination on neutral-point insulation of large transformers is discussed.
阐述了变压器中性点接地方式中的消弧线圈接地方式的工作原理和使用特点，为供电系统的安全运行提供了保障。
Working principle and application features of anti-arc coil in transformer neutral-point earthing mode are introduced, which provides safety running for electricity supply system.
对中性点接地变压器的影响因素包括多个，其中最主要的是地电位升。
There are several factors affecting neutral grounded transformers, among then, ground potential rise is most important.
研究结果显示，主变压器的中性点接地与否及电缆遮蔽导体与互連导体对整体的接地系统故障特性有关键性的影响。
The study results reveal shown that the ground fault current will increase with the number of main transformer with neutral to be solidly grounded.
本文提出了这种变压器引出中性点的接线方案，并分析了其电磁变换的基本原理。
In this paper a connection scheme is proposed of which a neutral point is drawned from the balance transformer, and its electromagnetism principle is also analysed.
分析了直流接地极电流对中性点接地变压器的影响，介绍了减小流入该变压器绕组直流电流的措施。
The effect of DC earthed pol current on the neutral earthed transformer is analysed. The methods of reducing THD DC current which flows into transformer windings are introduced.
分析了直流接地极电流对中性点接地变压器的影响，介绍了减小流入该变压器绕组直流电流的措施。
The effect of DC earthed pol current on the neutral earthed transformer is analysed. The methods of reducing THD DC current which flows into transformer windings are introduced.
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