To solve the problems of the inherent defects of inaccurate distance regulation and unstable flashover voltage for the current separately installed rod-rod gap for 110 kV and 220 kV transformer neutral protection, a new composite gap is developed, which is supported by the composite insulators, and the electrodes in the horn form at high and low voltages are bond on these insulators.
为解决目前110、220kV变压器中性点保护用棒-棒间隙电极分体装设时存在距离调节不准、放电电压不稳定等固有缺陷,研制了一种新型复合间隙。
The calculation results of DC currents through transformer neutrals of HVDC system operated in monopole-ground return mode with the influence of sea considered are evidently different from those calculated by terrestrial soil model.
考虑海洋影响的直流输电单极大地运行时变压器中性点流过的直流电流与陆地土壤模型计算的结果有很大不同。
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。
By analyzing the phase\'s relationship between transformer neutral zero sequence current and zero sequence current of the protection,a novel direction element based on zero sequence current of the transformer neutral point is proposed to overcome the above shortcoming.
针对这一缺陷,通过分析变压器中性点零序电流和保护零序电流的相位关系,提出一种基于变压器中性点零序电流的方向元件。
Improvement of Overvoltage Protection of 110kV Transformer Neutral Point
110kV变压器中性点过电压保护的完善
Appalication of Small Reactor Connected to Neutral of 500kV Transformer
500kV变压器中性点串接小电抗器的应用
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
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
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.
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。
Studay Over-Voltage on Neutral Grounding via Small Reactor of High-Voltage Transformers;
采用小电抗接地的高压变压器中性点过电压的研究
Several Measures for Suppressing Direct Current in Neutral Point of Main Transformer
抑制主变压器中性点入地直流电流的几种措施
A Novel Direction Element Based on Transformer Neutral Zero Sequence Current
基于变压器中性点零序电流的方向元件
Analysis of neutral point protection and operation of main transformer in power plant
浅析发电厂主变压器中性点的保护及运行
Overvoltage and Insulation Coordination of 500 kV Autotransformer Neutral Grounding through Small Reactance
500 kV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
Application of a Series Capacitor Based Transformer Neutral DC Current Blocking Device
基于串联电容法的变压器中性点直流电流抑制装置
Testing Research and Theoretical Analysis of New Control Mode of Transformer Neutral Point Arrester Parallel Gaps
变压器中性点避雷器并联间隙新型控制方式的理论分析与试验研究
neutral autotransformer
中性点接地自耦变压器
Study of Transient Voltage Responses at Neutral Point of Transformers with a Surge Incoming from Winding Terminal
变压器首端进波中性点暂态电压响应的研究
Selection of the Grounding Conductor Cross Section of Neutral Point at Transformer Low-voltage Side
变压器低压侧中性点接地导体截面的选择
Power system neutral1 grounding is usually done by means of transformer and generator neutrals.
电力系统中性点通常通过变压器和发电机的中性点来接地的。
The generator neutral grounding scheme through distribution transformer is widely used in our country.
发电机中性点叙经配电变压器的接地方式，已在国内被广泛采用。
The neutral point potential balance is one of the key aspects that affect the reliability of3- level inverter and it's timing system.
三电平逆变器中直流侧中点电容电压平衡问题直接影响着逆变器及其电机调速系统的可靠性。