Results 31 to 40 of about 2,573 (226)

Control and analysis of a unified power flow controller [PDF]

open access: yes, 1999
This paper presents a control scheme and comprehensive analysis for a unified power flow controller (UPFC) on the basis of theory, computer simulation and experiment.
Akagi, Hirofumi   +2 more
core   +1 more source

IEC 61850 Modeling of UPFC and XMPP Communication for Power Management in Microgrids

open access: yesIEEE Access, 2020
Integration of distributed renewable energy sources in microgrids presents many challenges to grid such as voltage, stability and power management issues. In literature different control strategies to improve the performance of microgrids integrated with
Taha Selim Ustun, S. M. Suhail Hussain
doaj   +1 more source

Influence on the energy conservation of the power system by introducing UPFC

open access: yesThe Journal of Engineering, 2018
The unified power flow controller (UPFC) is an excellent flexible alternating current transmission device, which has a wide range application in the power system.
Feng Chen   +5 more
doaj   +1 more source

Transformer‐less unified power flow controller in medium voltage distribution networks

open access: yesIET Generation, Transmission & Distribution, 2023
A transformer‐less unified power flow controller (UPFC) is a power electronic device consisting of series and shunt voltage source converters (VSCs) that are not connected to a common DC bus.
Mohamed A. Abdelrahman   +4 more
doaj   +1 more source

Testing of unified power flow controller (UPFC) model in IEEE9 bus power system network using PSCAD/EMTDC and MATLAB software [PDF]

open access: yes, 2010
Unified Power Flow Controller (UPFC) is the most widely used Flexible ac Transmission system ( FACTS ) device to control the power flow and to optimize the system stability in the transmission line.
Rachmawati, Rulina, Tupan, Tupan
core   +2 more sources

Dynamic control modeling and simulation of a UPFC–SMES compensator in power systems

open access: yesAin Shams Engineering Journal, 2015
Flexible AC Transmission Systems (FACTS) is granting a new group of advanced power electronic devices emerging for the enhancement of the power system performance. Unified Power Flow Controller (UPFC) is a recent version of FACTS devices for power system
Saravanan Kandasamy, Anita Rajapalan
doaj   +1 more source

Preventive Security-Constrained Optimal Power Flow Considering UPFC Control Modes

open access: yesEnergies, 2017
The successful application of the unified power flow controller (UPFC) provides a new control method for the secure and economic operation of power system. In order to make the full use of UPFC and improve the economic efficiency and static security of a
Xi Wu   +4 more
doaj   +1 more source

Including UPFC dynamic phasor model into transient stability program [PDF]

open access: yes, 2005
In this paper a novel time simulation approach is introduced to implement transient stability analysis with FACTS devices, in which FACTS devices will use dynamic phasor models and interface properly with conventional electromechanical transient-model ...
Li, Y, Liu, H, Ni, Y, Zhu, H
core   +1 more source

Control of distributed power flow controllers using active power from homopolar line currents [PDF]

open access: yes, 2012
Flexible AC Transmission Systems (FACTS) devices can be used for power flow control in AC transmission grids, improving power line utilization and performance. Nowadays, Unified Power Flow Controllers (UPFC) are one of the most useful FACTS, allowing the
Martins, I. E.   +3 more
core   +1 more source

Optimal robust stabilizer design based on UPFC for interconnected power systems considering time delay

open access: yesArchives of Electrical Engineering, 2017
A robust auxiliary wide area damping controller is proposed for a unified power flow controller (UPFC). The mixed H2 / H∞ problem with regional pole placement, resolved by linear matrix inequality (LMI), is applied for controller design.
Koofigar Hamid Reza, Isazadeh Ghader
doaj   +1 more source

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