The diagnosis skills and monitoring device selection for grounding faults of DC system in substations;
变电站直流系统接地故障定位及检测装置选用
Research on detection method for DC system loop net grounding fault;
直流系统环网接地故障检测方法
Detection and analyses of a DC system grounding fault in a 220 kV substation;
一起220kV变电站直流系统接地故障查找及分析
Medium voltage system ground fault diagnosis based on process analysis;
基于过程分析的中压系统接地故障诊断研究
Combined with a design case for voltage transformer of 10kV busbars,the principle of using residual voltage winding to detect the ground fault and the cause of ferro-resonance coming into being are described.
结合10 kV母线电压互感器设计案例,首先阐述了利用剩余电压绕组检测接地故障的原理和铁磁谐振产生的原因,在此基础上分析了剩余电压绕组与消谐器配合实现微机保护的工作原理,最后介绍了微机消谐器在本案例中的运行情况。
After the comparison with AC phase ground fault, it analyses the difference of single line disconnection and AC phase disconnection.
介绍了一起110kV输电线路B相断线故障及引起的其他故障,通过与AC两相接地故障的对比,分析了单相断线和AC两相接地故障现象的异同,为专业工作人员介绍了一种便捷的工作思路。
Talk about how to prevent the occurring of the earth fault;
浅议如何防范接地故障的发生
To ensure the safety of electricity utilization and to remove a hidden peril of electric fire,the reasons of electric fire and the fire caused by low-voltage electric circuit earth fault are analyzed.
为了保证安全用电 ,消除电气火灾隐患 ,对电气火灾及低压电气线路接地故障引起火灾的原因进行了分析 ,提出应严格执行国家标准规程、规范 ,在电气工程设计、施工等环节中采取切实可行的措
The earth fault of Lingbao back-to-back HVDC system 220 kV side converter transformer and the protection action are described.
介绍了灵宝背靠背直流换流站220kV换流变压器阀侧套管接地故障过程和保护动作情况。
Analysis on electric fire caused by earthing fault and protection measures;
接地故障引起电气火灾的分析及其防范措施
Electrical fire caused by earthing fault and protection measures;
接地故障引起的火灾及其防范
Earthing fault is a kind of phenomenon of single phase short circuit, it may cause fire via three reasons with great danger, Introduction was made to the actual reasons for earthing fault which caused fire and its preventive measures.
接地故障是一种单相短路现象,它可通过三个起因起火,危险性很大。
This paper analyzes causes of one grounded fault of overhead lines, offers some prevention measures to reduce the grounded resistance, to reform the surge arrester and insulator string and to upgrade the overvoltage limit unit.
分析了一起线路故障接地的原因,提出了降低接地电阻,改造避雷器和绝缘子,过电压限制装置升级改造的防范措施。
This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).
从理论上分析了同杆并架双回线跨线不接地故障时距离继电器测量阻抗的变化规律。
Study on Single Phase Ground Fault Detection in Neutral Resonant Grounded Distribution Networks;
谐振接地系统单相接地故障选线研究
The Analysis & Handing of Single-Phase Ground Fault in the System with Non-Effectively Earthed Neutral
小电流接地系统单相接地故障及处理
Identification of Temporary Faults for Single-phase on Transmission Lines;
单相接地故障中瞬时性故障的判别研究
Fault Line Selection for the Distribution System with the Adjustable Arc Suppression Coil
可调节消弧线圈接地系统单相接地故障选线
The Reaserch of the Line-Selection of Singel-phase Fault of Trickle Earthed System;
小电流接地系统单相接地故障选线的研究
The Research on Fault Line Selection Non-Solid Earthed Networks;
小电流接地系统单相接地故障选线研究
Fault Circuit Selection and Fault Location for a Single Phase Fault of Non-Direct-Ground System;
小电流接地系统单相接地故障的选线与定位
The Studies on the Novel Method of Non-direct-ground System Single Line-to-earth Fault Location;
小电流接地系统单相接地故障选线新方法研究
Study on Fault Location Method for Single-Phase-to-Ground Fault of Small Current Grounding System;
小电流接地系统单相接地故障测距方法的研究
Single Phase-to-earth Fault Selection and Location of Small Current Grounded System;
小电流接地系统单相接地故障选线与测距
Research on Integrated Fault Line Detection in Non-Effectively Grounded Neutral System;
小电流接地系统单相接地故障综合选线研究
Single-phase-to-ground Fault Line Detection in Non-effectively Earthed Neutral System Based on Agent;
基于Agent的小接地电流系统单相接地故障选线
Development of Single-Phase-to-Ground Fault Line Selection Device in Neutral Un-effectual Grounded Systems
小电流接地系统单相接地故障选线装置的研制
Fault Judge and Processing of Singe-phase Ground in Current Ground System
电流接地系统单相接地故障判断和处理
A New Fault Location Method for Single Phase to Ground Faults in the Small Current Neutral Grounding System
一种小电流接地系统单相接地故障测距新方法
Selection methods of single phase grounding fault line in small current neutral grounding system
小电流接地系统单相接地故障选线方法分析
Analysis on the Grounding Faults in 35 kV System with Neutral Resistance Grounded and Its Protective Measure
35kV电阻接地系统接地故障分析与保护措施
Project of Fault Line Detection for Single-phase-to-earth in Small Current Neutral Grounding System
小电流接地系统单相接地故障选线的方案研究
