No direct connection from either transformer neutral points or generator star points to earth is permitted.
禁止任一变压器中性点或发电机始点处直接接地。
In this paper, the current-current neutral grounding transformer neutral point commonly used to protect the way of protection was discussed;
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；
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.
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。
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.
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。
The principle and structure of the resonance-proof three phase voltage transformer used in the neutral insulation system are discussed. The connection errors brought about in operation are presented.
论述了中性点绝缘系统中采用的三相防谐振电压互感器的原理与结构，并指出了运行中容易发生的接线错误。
Therefore, the over-voltage caused by the electromagnetic voltage transformer saturation in the system with insulated neutral belongs to shifting over-voltage.
故可得出结论：在中性点绝缘系统中，因电磁式电压互感器饱和引起的过电压现象属于工频位移过电压。
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.
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。
Using of change on neutral point for auto-transformer to achieve tap change by step, lighting lamps can have different effects of power-saving.
照明路灯通过自藕变压器进行调零切换实现有级降压，可以得到不同的节电效果。
The study results reveal shown that the ground fault current will increase with the number of main transformer with neutral to be solidly grounded.
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。
In the neutral ungrounded power system, ferroresonance over-voltage due to electromagnetic transformer takes place frequently.
在中性点不接地电网中，频繁发生由电磁式电压互感器引起的铁磁谐振现象。
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.
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。
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。
Two different viewpoints about neutral ground way of large-capacity generators at present, neutral grounding by distribution transformer or resonant.
目前对大容量发电机中性点接地方式有两种不同观点，即中性点经配电变高阻接地和经消弧线圈谐振接地。
Two different viewpoints about neutral ground way of large-capacity generators at present, neutral grounding by distribution transformer or resonant.
目前对大容量发电机中性点接地方式有两种不同观点，即中性点经配电变高阻接地和经消弧线圈谐振接地。
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