中性点

简要分析了影响中性点二极管作用的因素，包括负载电阻、发电机转速、磁极对数、定子绕组电感等。

The factors influencing the range of alternator neutral point diodes are analyzed .

汽车交流发电机中性点二极管作用原理探究

Study on Principle of Alternator Neutral Point Diodes

避雷器作为TV二次回路中性点保护的分析

Analysis on Arresters as the Protection of Secondary Winding Neutral-point of Voltage Transformer

基于BP模型的城市配电网中性点小电阻接地系统阻值的研究

Research on Little Resistance Grounded Neutral System of City Distribution Network Based on BP Module

基于MonteCarlo方法的中性点非有效接地系统输电线路故障测距

Fault Location of Transmission Line in Non-Effective Grounded Neutral System Based on Monte-Carlo Method

基于DSP的中性点不接地系统接地故障支路判别

The Determination of Grounded Fault on Branch Circuit of Power Network with non-grounded Neutral on the Basis of DSP

并联电抗器中性点和中性点小电抗XN的绝缘水平主要决定于出现在XN上的最大的工频电压VN。

The insulation level of neutral of shunt reactor and of its neutral reactor X_a is determined mainly by the power frequency voltage arised on this reactance .

在中性点不接地电网中，由于电磁式电压互感器（以下简称PT）饱和而引起的铁磁谐振是出现最频繁、造成事故最多的一种内过电压。

In ungrounded systems , PT saturation result in ferroresonance is a appear frequently and work accident sort of inner overvoltage .

KDP晶体本征中性点缺陷的第一性研究

Research on the neutral native point defects in KDP crystals using first-principles theory

在中性点非直接接地电网中，单相接地及由电压互感器（PT）引起的谐振过电压均是多发性的事故。

In ungrounded distribution system the single-phase-grounding and the ferro-resonance caused by the PT ( Potential Transformer ) are of the frequent accidents .

最后，还根据现场实际情况给出了一种效验中性点零序CT极性的方法，为零序差动保护在现场的正确应用提供了有力的支持。

A method for neutral polarity testing of zero-sequence TA is proposed according to the real conditions on worksite , which is helpful for the correct application of zero-sequence differential protection on spot .

文章分析了当PT二次侧采用B相接地时，PT与电压变换器的中性点连接方式对保护动作行为的影响。

The paper analyzes the influence of connection mode between neutral points of PT and voltage transducers on actions of relay when phase B is grounded in PT secondary side .

变压器星形侧中性点电流互感器I（pn）和K（alf）参数选择

Analysis and Recommendation for Selection of I_ ( pn ) and K_ ( alf ) of Current Transformers at Transfomer Wye Side Neutral Point

文中简要分析了6～10KV电网中性点的接地方式。

Neutral grounding in6 ~ 10KV power networks is briefly analysed .

本文推导出用结点阻抗矩阵进行中性点不接地系统中任意两点异相接地故障计算公式，并编制程序在IBM机上调试通过，最后进行了算例分析。

This paper has derived calculating formulas of arbitrary two point faults in neutral non-grounded power system by bus impedance matrix . An example of calculation is carried out with IBM computer .

关于6～10kV电网中性点接地方式的讨论

Research on neutral grounding in 6 ~ 10kV power networks

35kV主变压器中性点避雷器的运用

Application of MOA on the Neutral Points of 35 kV Transformers

600MW发电机中性点接地变压器参数分析

Parameter Analysis of Neutral Grounding Transformer for 600 MW Generator

220kV不接地变压器中性点绝缘保护研究

Study on Neutral Point Protection without Grounding for 220 kV Transformer

PT谐振大多数发生在中性点不直接接地的配电网中，由电磁式电压互感器饱和引起，电磁式电压互感器的非线性特性是铁磁谐振产生的根源。

PT resonance occurs in the neutral point ungrounded system of electric distribution network frequently . The root cause of PT resonance is the nonlinear characteristics of the electromagnetic voltage transformer .

500kV自耦变压器中性点装设小电抗的应用研究

Application study of installing small reactors on neutral points of 500 kV autotransformers

500kV单相变压器组中性点接地方式探讨

Discussion on the Neutral Grounding Modes of 500 kV Single Phase Transformer Set

500kV自耦变压器中性点经小电抗接地的过电压与绝缘配合分析

Overvoltage and Insulation Coordination of 500 kV Autotransformer Neutral Grounding through Small Reactance

电磁式TV在使用中应注意选用励磁特性好的产品、减少同一系统中TV中性点接地的数量、保持系统三相对地电容的对称性，同时注意高压绕组中性点的绝缘配合问题。

Some proposals are given : selecting TV with good excitation characteristic , reducing grounding number of TV in same network , keeping the symmetry of line-earth capacitance and paying attention to insulation coordination in neutral point of primary winding .

35kV并联电抗器中性点采用硬管母线连接接头的发热改造

Transformation on Overheating of Hard-tube Bus Joint of 35 kV Shunt Reactor Neutral

三峡施工供电35kV配电网络中性点接地

Neutral Earthing of 35 kV Construction Power Supply System

中性点不接地网络的分频谐振与消谐措施&用EMTP对网络的模拟计算

The Dividing Frequency Resonance and Damping Measure in Ungrounded Network & A Simulating Calculation of Networks by Means of EMTP

110kV分级绝缘变压器中性点过电压保护探讨

On over-voltage protection for neutral of 110 kV graded insulated transformers

220kV变压器中性点采用小电抗器接地方式通信设备的接地

LOW REACTANCE NEUTRAL GROUNDING FOR 220 KV TRANSFORMERS Earthing System for Telecommunication Installations

EDF通过总结和研究中压电网30多年的运行经验，决定将中性点低阻抗接地方式，全部改为谐振接地方式。

Summarizing the operating experience over 30 years , EDF determines to change low resistance grounding into resonance grounding in MV network .