Results 61 to 70 of about 2,148 (226)

Optimal Reactive Power Planning Using FACTS Devices for Voltage Stability Enhancement in Power Transmission Systems

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

MSTMM‐Validated Machining Efficiency and Surface Roughness Improvement Using Evolutionary Optimization Algorithm

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, Yuanyuan Ding, Yu Chang, Yiheng Chen, Xiaoting Rui, Hanjing Lu   +5 more
wiley   +1 more source

Integration of UPFC in Solar PV Systems for Enhanced Green Energy Transmission [PDF]

E3S Web of Conferences
The recent world is being focused on deriving methods for using renewable energy-based systems to meet the energy demands. There are various research areas to be focused upon for making the output from these energy systems more reliable and efficient ...
Srivastava Shashank, Dutt Amit, Helena Raj Vijilius, Sri Lalitha Y., Kalita Das Karabi, Saleh Mashkour Muthana, Kumar Ch. Srivardhan   +6 more
doaj   +1 more source

Volt/VAr Regulation of the West Mediterranean Regional Electrical Grids Using SVC/STATCOM Devices With Neural Network Algorithms

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

Performance Analysis for Control of A Unified Power Flow Controller (UPFC) Using MATLAB Simulink [PDF]

E3S Web of Conferences
The long transmission system is required to transfer generated power to distribution system. Hence, maximum power transfer devices with flexible operation are essential in transmission system. Thus, it is necessary to add Flexible AC Transmission System (
Suresh Kumar A., Deepak Karanam, Kumar Pakanati Hari, Reddy Gaddam Hemanth, Krishna Devamada Chinni, Devendra Badirla   +5 more
doaj   +1 more source

UNIFIED POWER FLOW CONTROLLER CONTROL STRATEGIES for POWER FLOW

Yanbu Journal of Engineering and Science, 2022
In order to address power flow control issues, this study introduces the use of Unified Power Flow Controller (UPFC) models. These models are based on regulating the variables influencing the transmission line's power flow, and they are capable of ...
Fahd Banakhr
doaj   +1 more source

STUDY OF THE IMPACTS OF UPFC UPON DYNAMIC POWER QUALITY

Electrica, 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

Application of UPFC to Enhance Transient Stability Limit

, 2007
It has been reported that the simplest and most practical mode of operation of a unified power flow controller (UPFC) is the perpendicular voltage control mode. This paper investigates the improvement of transient stability limit of a simple power system
M. H. Haque, Haque, M.H.
core   +1 more source

An Intelligent Frequency Control Scheme for Inverting Station in High Voltage Direct Current Transmission System

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, Muhammad Amir Raza, Syed Waqar Umer, Muhammad Faheem, Touqeer Ahmed Jumani, Muhammad Yameen   +5 more
wiley   +1 more source

A Fast-Response Power-Flow Control Strategy of MMC-UPFC Based on Active Disturbance Rejection Control

IEEE Access
The unified power flow controller (UPFC) based on the modular multilevel converter (MMC) requires stability and fast power-flow-regulation capabilities, whereas the linear active disturbance rejection control (LADRC) strategy precisely has the ...
Ke Zhang, Zhijun Chen, Jun Wang, Chao Yu, Haodong Long, Chuyang Wang   +5 more
doaj   +1 more source