Overhead line
Design and Research of Overhead Line Fault Monitoring System for Medium Voltage Distribution Network Based on LoRa and NB IoT
... 10KV overhead line fault monitoring system based on LoRa and NB-IoT technology designed in this paper can achieve reliable long-distance data transmission under low power consumption, and effectively solve ...
6
The Study of Overhead Line Fault Probability Model Based on Fuzzy Theory
... the overhead line which is based on equipment operating status, utility theory and fuzzy ...speed, line ice and temperature, and the outage rate of overhead line, derived from his- ...
5
PHYSICO-TECHNOLOGICAL ASPECTS OF WORK OF LUBRICANT FILMS IN THE TRIBOSYSTEM "OVERHEAD LINE – CURRENT COLLECTOR CONTACT STRIP"
... «overhead line – current collector contact strip» (OLCCCS) and identification of the features of such ...«overhead line – current collector contact ...«overhead line – current ...
9
Improvement of the sag ampacity carrying level of existing 275 KV overhead line tower by using the re conductoring approach
... new overhead transmission line had been constructed (Mateescu et ...Current overhead transmission line may not be able to supply enough electricity to these urban cities in few years ...275kV ...
6
Time-Domain Analysis of Overhead Line in Presence of Stratified Earth
... In this paper, the transient response of an overhead line in the presence of stratified earth has been established. To achieve this, a new finite difference algorithm is developed, based on an improvement in ...
12
Effect Of The Finite Ground Conductivity On The Lightning-Induced Voltage On Overhead Line
... Fig. 4 shows the induced voltage at the end of a 1 km long overhead line terminated by its characteristic impedances and excited by a side stroke 50 m from the line center. The lightning current is ...
5
Power transfer capacity improvements of existing overhead line systems
... The methodology summarized in the flowchart of Fig. 1 emphases the key electromechanical elements that influence a conductor’s sag and ampacity calculations. A holistic perspective of the system performance is taken by ...
5
A modelling approach for railway overhead line equipment asset management
... The Overhead Line Equipment (OLE) is a critical sub-system of the 25kV AC overhead railway electrification ...a line are modelled simultaneously, and the dependencies are considered in terms ...
22
PHYSICO-TECHNOLOGICAL ASPECTS OF WORK OF LUBRICANT FILMS IN THE TRIBOSYSTEM "OVERHEAD LINE – CURRENT COLLECTOR CONTACT STRIP"
... «overhead line – current collector contact strip» (OLCCCS) and identification of the features of such ...«overhead line – current collector contact ...«overhead line – current ...
9
Validation of a new model for railway overhead line dynamics
... A dynamic model of OLE equipment has been created using a finite element approach in ANSYS and the simulation method was successfully validated using the procedure outlined in standard EN50318. The model fulfils the ...
21
Field Problems of Distance Relays with Combined Single/Double Circuit Transmission Lines
... this line category is the 500 kV hybrid line in Southern California (USA) comprising approximately as ...single-circuit overhead line sharing a common tower structure with a 230 kV line ...
6
Fe Coefficient – Development and Application of a Key Figure for Assessing the Efficiency of Alternative Drive Concepts in Trucks
... from overhead lines or carried along in ...(overhead line, fuel cells, batteries, tanks for liquids, pressure tanks for gases, cooling), type of engine (combustion engine, ...
8
European Regional Development Fund UK Regional Development Programme 1986 90 Section 7E: England — South Yorkshire; Section 7F: England — Workington; Section 7G: England — Greater Manchester; Section 7H: England — Greater Merseyside
... Eng I and Renewal and Refurbishment of the 33-kv Overhead Line System to Strengthen Supplies to Industrial Customers In England Wlgan - Provide New 132 kv DC Line - Washway Farm INDUSTRI[r] ...
268
Numerical Evaluation of the Magnetic Field Exposure Near the Transition Tower of an Overhead-Underground Hv Line
... Nevertheless, in practise, there are some particular problems that are not deeply analysed and discussed in the literature as yet. One of them is an estimation of the electromagnetic exposure near the HV tower on which a ...
15
A Step towards the Detection of Semantic Variants of Terms in Technical Documents
... ligne a~rienne overhead line See_also : D~part a~rien overhead outlet Synonym : Liaison ~lectrique a~rienne overhead electric link Ligne simple single circuit line Is_a : Ligne a~rienne [r] ...
7
Investigating the Impacts of Meteorological Parameters on Electromagnetic Environment of Overhead Transmission Line
... the overhead line change significantly, which have an effect on the surrounding electromagnetic ...between line parameters and conductor ...the line is analyzed based on the changes of ...
9
Investigation Magnetic Field Radiated By 132 kV Overhead Transmission Line
... In Malaysia, the electricity is transmitted and distributed from power station to load through the transmission line. Basically, the electricity from the power station is a high voltage. The transformer is used to ...
24
SYMMETRICAL FAULT LOCATION IN OVERHEAD TRANSMISSION LINE BASED ON NEURAL COMPUTATION WITHOUT USING LINE PARAMETER.
... It is a new fault location algorithm that find fault point location using steady state current and voltage information of the two end synchronized data for transmission line. In this algorithm least error square ...
12
ESTIMATION OF VERY FAST TRANSIENT OVER VOLTAGES ON BUSHING CONNECTED IN GIS
... physical and electrical equivalent structure. The total number of layers is divided into number of equivalent layers depending on the type of modeling circuit. Further, each equivalent layer of the bushing has been ...
16
A Comparison Between Carson's Formulae and a 2D FEM Approach for the Evaluation of AC Interference Caused by Overhead Power Lines on Buried Metallic Pipelines
... A numerical procedure has been developed in order to analyse the effects of the AC interference induced by a transmission line on a buried pipeline. The method is based on a two dimensional finite element ...
10