Results 21 to 30 of about 7,609 (286)
The article considers the method of using mixtures to optimize the electrophysical parameters of grounding devices in conjunction with vertical composite grounding conductors. It has been found that fluctuations in soil resistivity caused by changes in
I. A. Pavlovich +3 more
doaj +3 more sources
Application Study of Distributed Grounding Line Selection Method Based on GOOSE Communication
A GOOSE communication-based distributed grounding line selection method is introduced and implemented in the relay protection device. When a single-phase grounding fault happens in the small current grounding system, the fault current is quite small due ...
Hongshan CHEN +4 more
doaj +2 more sources
[Objective]Disconnector is a key equipment in rail transit traction power supply system. With the development of intelligent switch equipment technology and the increasing demand for intelligent operation and maintenance management of power supply ...
LI Jun +10 more
doaj +2 more sources
A TECHNIQUE OF FULL-SCALE MEASUREMENTS OF THE RESISTANCE OF THE GROUNDING DEVICE
Purpose. The measurements of the resistance of grounding devices for various purposes using a three-electrode installation under real conditions are considered. Methodology.
I. V. Nizhevskyi, V. I. Nizhevskyi
doaj +6 more sources
A Non-Destructive Testing Method for Fault Detection of Substation Grounding Grids
The grounding grid is critical to the safety and stability of a power system. Corrosive cracking of the grounding conductor is the main cause of deterioration of grounding grid performance. Existing fault diagnosis methods for grounding grids are limited
Xiujuan Wang +4 more
doaj +2 more sources
Purpose. Creation the scientific requirements for technical characteristics of equipment for vertical electrical sounding based on the electrophysical characteristics of the soil of energy objects with the different voltage classes. Methodology.
S. S. Rudenko
doaj +5 more sources
Research on EMR Interference Suppression for LKJ 2000 Monitor Device
LKJ2000 monitor device was a train speed control device for maintaining train operation security. To obtain the good EMC performance for the device, EMC must be considered in each stage including design, producing and field installation etc.
杨天矾, 殷源
doaj +2 more sources
Compound mixtures based on hydrolyzed Polyacrylonitrilereducing soil electrical resisctivity
THE PURPOSE. The purpose of the article is to define the reasons to improve the system of grounding devices design. Author studies technical decisions that reduce grounding resistance values. Results are given researches how a mineral conductive mixture,
M. A. Drako +2 more
doaj +1 more source
E-cigarette devices used on school grounds [PDF]
Preliminary evidence suggests adolescents use e-cigarettes in school. However, little is known about the types of devices that are used in schools, where they are used, and who uses them. Knowledge about these issues is critical to inform school regulations.Cross-sectional surveys were conducted in 6 Connecticut high schools in 2019.
Asti, Jackson +9 more
openaire +2 more sources
The impulse impedance of the tower is the core parameter to evaluate the lightning protection performance of the transmission line. The high soil resistivity and the underground rock layers in the mountainous areas will induce large impulse impedance and
Lin Huang +5 more
doaj +1 more source

