Results 61 to 70 of about 424 (183)
Energy Science &Engineering, Volume 13, Issue 6, Page 2720-2756, June 2025.Series and Shunt Reactive compensation can be used to improve voltage stability. The L‐index and Fast Voltage Stability Index are used to evaluate stability. Cost of reactive compensation is included directly in the optimization process. Multi‐objective optimization determines the optimal sizing of FACTS devices.
Rawan Abu Zeitawyeh, Ayman Faza
wiley +1 more source
International Journal of Mechanical System Dynamics, Volume 5, Issue 2, Page 354-371, June 2025.ABSTRACT Ultra‐precision machining (UPM) has been extensively employed for the production of high‐end precision components. The process is highly precise, and the associated cost of production is also high. Optimization of machining parameters in UPM can significantly improve machining efficiency and surface roughness. This study proposes an innovative
Adeel Shehzad +5 more
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A detailed designed model for UPFC in PSCAD
International Journal of Industrial Electronics and Drives, 2016 Generally, there are two models for every flexible AC transmission system (FACTS) devices, detailed and phasor models. Detailed model is exact simulation of real one which is used multi level converters with switches and diodes, capacitor for DC link, transformers and loop controllers.
Jalal Khodaparast, Mojtaba Khederzadeh
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Steady State Analysis of a UPFC as Voltage Regulator for Optimal Position in the Transmission Line
Sultan 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
, 2016 Flexible AC Transmission Systems (FACTS) is an Alternating current transmission systems incorporating power electronic based and other static controllers with an aim to build flexibility in the system in order to enhance controllability and increase power transfer capability.FACTS Controller is a power electronic based system and other static equipment
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Journal of Electrical Systems and Information TechnologyA 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
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A Novel Protection Method for UPFC Compensated Transmission Line Based on Cooperative Game Theory
Iranian 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
Optimization of PSS and UPFC Controllers to Enhance Stability by Using a Combination of Fuzzy Algorithm and Shuffled Frog Leaping Algorithm [PDF]
Journal of Applied Research in Electrical EngineeringMaintaining power system stability can be challenging due to low-frequency fluctuations. Traditionally, power system stabilizers (PSS) and unified power flow controllers (UPFC) have been used to address this issue.
Mohammad Abedini, Mahyar Abasi
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Study on the lightning overvoltage protection of a 500 kV unified power flow controller station
The Journal of Engineering, 2018 The unified power flow controller (UPFC) is the third generation of flexible AC transmission systems. It can control the power flow and voltage of the power system quickly and flexibly that has an advantage in compensating the AC transmission system in ...
Ting Ding +5 more
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Energies, 2019 This paper aims to discover the general steady-state operation characteristics, as well as improving the dynamic performance, of the modular multilevel converter (MMC)-based unified power flow controller (UPFC).
Jinlian Liu, Zheng Xu, Liang Xiao
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