Results 91 to 100 of about 7,634 (271)

Steady State Analysis of a UPFC as Voltage Regulator for Optimal Position in the Transmission Line

open access: yesSultan Qaboos University Journal for Science, 2003
It has recently been illustrated that the Unified Power Flow Controller (UPFC) installation location plays an important role in effecting nonlinearly in the UPFC steady state performance of the system.
S. Ali Al-Mawsawi, Mohammed R. Qader
doaj   +1 more source

STUDY OF THE IMPACTS OF UPFC UPON DYNAMIC POWER QUALITY

open access: yesElectrica, 2005
his paper designs the UPFC dynamic model after a briefly review to UPFC operating principles. Firstly, three-phase bridge full-controlled circuit is used to compose the converters, in which IGBT are employed as the switch components.
Aihong TANG, Shijie CHENG
doaj   +2 more sources

Unified powered flight guidance [PDF]

open access: yes
A complete revision of the orbiter powered flight guidance scheme is presented. A unified approach to powered flight guidance was taken to accommodate all phases of exo-atmospheric orbiter powered flight, from ascent through deorbit.
Brand, T. J.   +2 more
core   +1 more source

Congestion Management Incorporation of FACTS Devices Using Ant Colony Optimization [PDF]

open access: yes, 2012
This paper presents Ant Colony Algorithm (ACA) based approach for the allocation of FACTS (Flexible AC Transmission System) devices for the improvement of Power transfer capacity in an interconnected Power System.
Burade, P. (Prakash)
core  

A Novel Protection Method for UPFC Compensated Transmission Line Based on Cooperative Game Theory

open access: yesIranian Journal of Electrical and Electronic Engineering, 2022
This paper presents a new single-end scheme to locate and protect faults on the compensated transmission line using the Unified Power Flow Controller (UPFC). The UPFC controllers have remarkable effects on the transient and steady-state components of the
M. Khalili, F. Namdari, E. Rokrok
doaj  

Investigation of advanced control for the unified power flow controller (UPFC) [PDF]

open access: yes
The Unified Power Flow Controller (UPFC) is the versatile FACTS controller that can control up to three transmission system parameters individually or simultaneously in appropriate combinations.
Farrag, Mohamed
core  

Operating Power Grids with Few Flow Control Buses

open access: yes, 2015
Future power grids will offer enhanced controllability due to the increased availability of power flow control units (FACTS). As the installation of control units in the grid is an expensive investment, we are interested in using few controllers to ...
Leibfried, Thomas   +7 more
core   +1 more source

Transient stability enhancement of Beles to Bahir Dar transmission line using adaptive neuro-fuzzy-based unified power flow controller

open access: yesJournal of Electrical Systems and Information Technology
A power system is a complex, nonlinear, and dynamic system, with operating parameters that change over time. Because of the complexity of big load lines and faults, high-voltage transmission power systems are usually vulnerable to transient instability ...
Yechale Amogne Alemu   +2 more
doaj   +1 more source

Identificación de las ventajas, las desventajas y las características de los sistemas de transmisión flexible (FaCTS) [PDF]

open access: yes, 2008
Se presenta la descripción de los (FACTS), clarificando las diferencias existentes entre varios dispositivos, así como sus ventajas y desventajas respecto a su función correspondiente.
Agudelo Gallego, Leidy Vanessa   +1 more
core  

Full body harness [PDF]

open access: yes, 2020
The full body safety harness is a key part of an active fall arrest system. The harness serves two purposes, first, distributing fall forces safely across a worker's body in the event of a free fall, and second, providing freedom of movement sufficient ...
Che Senu, Nur Syazana   +2 more
core  

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