Results 71 to 80 of about 2,573 (226)

Matrix Converter-Based Unified Power-Flow Controllers: Advanced Direct Power Control Method [PDF]

open access: yes, 2011
This paper presents a direct power control (DPC) for three-phase matrix converters operating as unified power flow controllers (UPFCs). Matrix converters (MCs) allow the direct ac/ac power conversion without dc energy storage links; therefore, the MC ...
Monteiro, Joaquim   +3 more
core   +1 more source

Peningkatan Available Transfer Capability Mengggunakan Unified Power Flow Controller

open access: yesJurnal Teknik ITS, 2012
Available Transfer Capability (ATC) adalah kemampuan transfer yang masih mungkin bisa dilakukan pada sistem tenaga listrik. Pemasangan perangkat FACTS, yaitu Unified Power Flow Controller (UPFC) dilakukan untuk meningkatkan nilai ATC.
Adyatmoko Wirananto   +2 more
doaj  

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

Modeling and Analysis for Global and Local Power Flow Operation Rules of UPFC Embedded System Under Typical Operation Conditions

open access: yesIEEE Access, 2020
The unified power flow controller (UPFC) is recognized as one of the most promising flexible ac transmission system (FACTS) devices for modern power systems, due to its versatile functionalities.
Jinlian Liu   +3 more
doaj   +1 more source

Self-Adaptive Firefly-Algorithm-Based Unified Power Flow Controller Placement with Single Objectives

open access: yesComplexity, 2021
The selection of positions for unified power flow controller (UPFC) placement in transmission network is an essential factor, which aids in operating the system in a more reliable and secured manner.
Selvarasu Ranganathan, S. Rajkumar
doaj   +1 more source

Three-phase modular multilevel converter based unified power flow controller

open access: yesEngineering Science and Technology, an International Journal, 2020
Flexible AC Transmission Systems (FACTS) when added to power systems provide them with flexibility making them able to cater for increasing power demands.
Ahmet Mete Vural, Emile Njodzefon Wirsiy
doaj   +1 more source

Transmission Loss Minimization Using Advanced Unified Power Flow Controller (Upfc

open access: yes, 2018
The capability of transmission loss minimization of the power system network by advanced unified power flow controller (UPFC) is the main focus in this paper. An important factor effecting power transmission systems today is power flow control. The increment of load variation in a power transmission system can lead to potential failure on the entire ...
Nazneen Choudhari,, Shaikh, Nida N
openaire   +1 more source

Application of UPFC to improve the low-voltage-ride-through capability of DFIG [PDF]

open access: yes, 2015
In this paper, a new controller approach for unified power flow controller (UPFC) is proposed to improve the low-voltage-ride-through (LVRT) capability of a DFIG-based WECS during voltage sag.
Abu-Siada, Ahmed, Alharbi, Y.
core   +1 more source

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