Non-ground neutral system and arc-suppression-coil-ground neutral system are called non-direct ground neutral system that is widely used in power distribution system.
中性点不接地系统和中性点经消弧线圈接地系统统称为中性点不直接接地系统,广泛应用于铁路配电系统中。
Non-ground neutral system and arc-suppression-coil-ground neutral system are called non-direct ground neutral system.
中性点不接地系统和中性点经消弧线圈接地系统统称为中性点不直接接地系统,广泛应用于铁路配电系统中。
Preventive measure of ferro-resonance for isolated neutral system;
防止中性点不接地系统铁磁谐振的措施
A resonance eliminating method for isolated neutral system;
中性点不接地系统的一种消谐方法
The abnormal voltage of 35kV isolated neutral system is analyzed after the phase I(phase II) of its busbar TV high-voltage fuse is fused,and then the causes are found out,which not only can help the operator determine the similar faults accurately in time,but can help to prevent the undetected faults damaging the potential transformer.
通过对一起35 kV中性点不接地系统母线电压互感器高压熔断器一相(二相)熔断后电压异常的实例现象分析,找出其原因,有利于发生类似故障时运行人员能够准确及时的判断处理,防止长期未发现故障使电压互感器损坏。
This method has successfully solved the difficulity of the single-phase-to-ground fault location for the neutral point ungrounded system owing to the fact that there is no fault current circuit.
该方法成功解决了中性点不接地系统单相接地故障时,由于没有故障电流回路而造成测距困难的问题。
The features of 10kV neutral point ungrounded system and the harm of the capacitance current are analyzed,and the calculation method of capacitance current is introduced.
分析了10kV中性点不接地系统的特点,以及系统对地电容电流超标的危害,给出了电容电流的计算方法,对传统消弧线圈接地系统在运行中存在的问题进行了简要分析,重点阐述了自动跟踪消弧圈成套装置的工作原理和性能特点,以及有关技术参数的选择和配置。
Analysis of single-phase earthing protection in neutral non-grounding system;
中性点不接地系统单相接地保护的分析
Contact Current of Person Study on the Insulated Supply System;
中性点绝缘系统人身触电电流的研究
This condition may be overcome in an isolated neutral system6 by means of an arc suppression coil or Peterson Coil.
此情况在中性点绝缘系统中可通过消弧线圈或称彼得逊线圈加以克服。
If such systems are to be operated with isolated neutrals, arc suppression coils should be used.
若这样的系统以中性点绝缘运行的话,应采用消弧线圈。
With normal balanced operation the neutrals of an ungrounded or isolated system are held at ground potential because of the presence of the system capacitance to earth.
正常对称运行时,中性点不接地或绝缘系统的中性点由于系统对地电容的存在而保持地电位。
The New Concept of Thermal Endurance of Electrical Insulation System and Insulating Material
电气绝缘系统及绝缘材料耐热性的新概念
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
Insulator hydrophobic classification system based on image analysis;
基于图像分析绝缘子憎水性分级系统
Research on Improvement of Insulation Level of Switchgear in 20 kV System
提高20kV系统中开关柜绝缘水平的探讨
NOMEX of SG10 insulate the doing type systematically the electric power transformor obtain the national key innovative project.
绝缘系统干式电力变压器获国家重点创新项目。
AC single phase two wire insulated system
交流单相双线绝缘系统
AC single phase three wire insulated system
交流单机三线绝缘系统
AC three phase three wire insulated system
交流三相三线绝缘系统
Choice of Neutral Inductance and Insulation Level of Shunt Reactor Neutral Point in UHV AC Pilot Project
特高压工程高抗中性点绝缘水平及小电抗选择
Application of Neural Network to Insulator Cracks Detection in the Power System;
神经网络在电力系统绝缘子裂纹检测中的应用
The Research and Application of Tension Control System in Cable Manufacturing
张力控制系统在绝缘芯线生产中的应用研究
Application of Statistical Method in Evaluating Pollution Flashover Risk of Insulators
概率统计在绝缘子污闪风险性评估中的应用
Study of Insulated Potting and Encapsulation System to Gasoline Engine Ignition Coil;
汽油机点火线圈的绝缘封装及其灌封系统的研究
Such materials are characterized by good insulation and high resistance to wear.
这些材料的特点是:绝缘性好,耐磨性强。
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