neutral point

Research on Relay Protection Configuration of Terminal Line Transformer Group and Transformer Neutral Point Grounding Schemes

终端线路变压器组继电保护配置及变压器中性点接地方式研究

When the fault current and the transient over-voltage are synthetically considered, it may be proper that the value of neutral resistance should be 2 to 3 times of that of neutral point equivalent capacitive reactance.

综合考虑接地故障电流和暂态过电压，则中性点接地电阻宜取2～3倍的中性点对地等值容抗；

Holding that there exists to a certain extent coupling between DC and AC earth electrodes, the authors analyze the transformer DC magnetic biasing in the grid, and present the network algorithm for the DC component of transformer neutral point.

为此，以直流接地极与交流接地极存在一定强度耦合的观点分析了电网变压器直流偏磁事例，在此基础上提出变压器中性点直流分量的网络算法。

Discussion on the Neutral Point Shift of the Three-phase Voltage Regulator

对三相调压器中性点位移的探讨

Finally, a SVPWM control strategy, which can balance the neutral point voltage by changing the control factor on the basis of judging the DC Voltage of two capacitors and the directions of three phase output current, is presented.

最后提出了一种基于检测直流侧电压和三相输出电流合理选择控制因子的滞环SVPWM方法。

Study on Neutral Point Protection without Grounding for 220 kV Transformer

220kV不接地变压器中性点绝缘保护研究

Analysis of the Crack Reason of Neutral Point Current Transformer in Complete Power Capacitor Bank

成套电容器组中性点电流互感器开裂原因的分析

Contributorsare instructed to maintain a neutral point of view and to avoid controversial topics.

维基要求投稿人持中立立场,回避有争议的主题.

Resonant controller is applied and the neutral point current which caused the medium vector is introduced for feed forward control to eliminate low-frequency voltage ripples.

在中点电压控制器中采用谐振控制器以及加入中矢量对中点电流的作用作为前馈以消除中点电压中的三倍频分量。

When the autopilot is disengaged, the control wheels and ailerons move to the ( possibly undesired) neutral point and the airplane will roll proportional to the amount of trim input.

一旦自动驾驶被脱开，操纵盘和副翼就移向新的（可能是不需要的）中立点，并且，飞机将与配平输入量成比例地滚转。

Study on Structure and Property of Semiconductive Neutral Point Switch in Safety Technique of Prompt Interruption

快速断电安全技术中半导体中性点开关结构性能的研究

This paper analyzes the neutral point shift of the three-phase voltage regulator used in the experiments.

本文探讨了三相调压器在实验中出现的中性点位移的问题.

Supply transformers for underground coal mine well are earthed at neutral point.

很多地方煤矿在供电方面存在不安全的隐患,向井下供电的变压器中性点接地.

VT breakdown reasons and treatment methods of neutral point contact gap of GIS

GIS中电压互感器中性点接地间隙击穿原因及处理方法

Compensation and resonance of neutral point arcing coil in electric net

电网中性点消弧线圈的补偿与调谐

The structure, working process, and property of existing semiconductive neutral point switch in China are analyzed.

对我国目前半导体中性点开关的结构，工作过程，性能进行了分析；

The small current neutral grounding system is a kind of system without neutral grounding, in most of which the neutral point connects to ground through a reactor.

小电流接地系统是指中性点不直接接地系统，其中大多数采用中性点经消弧线圈接地方式。

The neutral-point voltage fluctuation of three-level converter is only related to applied modulation method and three-phase current.

三电平变流器的中点电压波动只与变流器采用的调制技术和三相电流有关。

Discussion on Non-earthing Neutral Point of Power Line for Low Voltage Three-phase Four-wire System

低压三相四线制中性点不接地之浅见

The voltage between a phase in a polyphase system and the neutral point.

交流电路中在给定点上线[相]导体和中性导体之间的电压.

This paper analyzed the Neutral Point Excursion method ( NPEM ) of PWM control with Cascaded Multi-cell Multi-Level Inverter.

本文介绍了级联多单元高压变频器使用中点漂移法解决单元故障时提高输出电压的方法.

The designation of any conductors, terminal or any element connected to the neutral point of a polyphase system.

电气上与多相系统中性点连接的任一导体、端子或元件的总称。

Pulse Width Modulation Control Based on Pulse Encode and Pulse Rotation for Cascade Neutral Point Clamped Inverter

脉冲编码和旋转的级联中点箝位逆变器脉宽调制控制

Analysis of Operation Management of Main Transformer Neutral Point Earthing Isolated Switch

不可忽视主变中性点接地隔离开关运行管理

It is difficult fo select wire when there be single phase grounded fault in neutral point ungrounded system.

中性点不接地系统发生单相接地故障时，信号微弱，不易选线，对于谐振接地系统选线更加困难。

There is a similar grounding pad on the three-phase transformer cover near the neutral point bushing.

在中性点套管附近 三相 变压器外罩上也设置类似的接地衬垫.

Then the voltage unbalance between the inner and outer IGBTs of the Neutral Point Clamping ( NPC) three level converter is analyzed on basis of this model.

根据这个模型，分析了中点箝位式（NPC）三电平变流器中内外绝缘栅双极型晶体管（IGBT）电压不平衡的原因。

The voltage between the real or virtual neutral point and the earth.

多相系统中,实际的或等效的中性点与参考地面之间的电压.

Small current earth at neutral point is popular in power distribution networks.

中性点采用小电流接地是配电网的一种主要接地方式.

Elimination of the Ferro Resonance by Connecting a Resistor Between the Neutral Point of the PT and Ground and RXQ Type Resonance Eliminator

电压互感器中性点串电阻消除铁磁谐振及RXQ型消谐器