Results 71 to 80 of about 1,015 (205)
Power Loss Reductions and Voltage profile improvement through Fuzzy and AO algorithm for effective system operation by optimal placement of UPFC [PDF]
E3S Web of ConferencesThis project's primary goal is to reduce power losses and improve voltage profiles in power networks by strategically using unified power flow controllers, or UPFCs.
Suryanarayana Reddy V. +4 more
doaj +1 more source
Modeling and Transient Simulation of Unified Power Flow Controllers (UPFC) in Power System Studies [PDF]
2007 IEEE Lausanne Power Tech, 2007 The present paper describes the modeling of Unified Power Flow Controllers (UPFC) for studying the steady-state and transient behavior of electrical networks equipped with FACTS devices. Detailed time-domain simulations are carried out on four model power systems (single-machine system and multi-machine systems including the IEEE-14 bus test system ...
B. Kawkabani, Y. Pannatier, J.-J. Simond
openaire +1 more source
Unified Power Flow Controller Based on Autotransformer Structure
, 2019 This paper proposes a new unified power flow controller (UPFC) topology. A single phase of them system with the proposed topology consists of an N:2 transformer with a center tap at the low-voltage side and a power converter module comprising full- and ...
Hyun-Jun Lee +2 more
core +1 more source
Engineering Reports, Volume 7, Issue 10, October 2025.Optimized placement of SVC in a 33‐bus distribution system improves voltage profile, increasing the voltage profile from 94.69% to 97.90%, ensuring voltages remain within acceptable limits (0.95–1.05 p.u.) using optimal capacitor sizing and location, enhancing system reliability and power quality.
Abere Takele Alemu +1 more
wiley +1 more source
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
ROBUST CONTROL OF UNIFIED POWER FLOW CONTROLLER (UPFC)
Electrica, 2007 This paper investigates control methods for the unified power flow controller in order to improve the stability of a power system hence providing security under increased power flow conditions. These include a direct PI controller with decoupling (PI-D),
T. ALLAOUI +3 more
doaj +2 more sources
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
wiley +1 more source
Performance analysis of unified power flow controller (UPFC) by using different controllers [PDF]
, 2020 Tez (Yüksek Lisans) -- Çukurova Üniversitesi, Adana, 2008.
openaire +1 more source
Wind Energy, Volume 28, Issue 2, February 2025.ABSTRACT Reactive power compensation is now a challenging issue in maintaining adequate power quality and improving the performance of the transmission system. Many researchers have focused on the behavior of voltage in the unbalanced state, and the majority of the studies have been done with STATCOM. In this study, the increasing power demand in power
H. Feza Carlak, Ergin Kayar
wiley +1 more source
Engineering Reports, Volume 7, Issue 1, January 2025.A broad simulation model of the HVDC transmission system is developed using MATLAB software to evaluate the effectiveness of the proposed controllers such as Adaptive Neuro‐Fuzzy Inference System (ANFIS), Artificial Neural Network (ANN), and optimization of Proportional‐Integral‐Derivative (PID) controller using Particle Swarm Optimization (PSO) based ...
Saleem +5 more
wiley +1 more source