Results 41 to 50 of about 312 (146)

Utilizing Unified Power Flow Controller for Voltage Stability Improvement of the Electric Power Transmission System of Ghana

Jurnal Nasional Teknik Elektro, 2020
Interconnecting power transmission systems provide reliability of electric power supply. The security of the system is however questioned when a disturbance in any part of the interconnected system causes instability in the entire network. Unified Power
William Duodu Asihene, Francis Boafo Effah, Erwin Normanyo   +2 more
doaj   +1 more source

Active and Reactive Power Scheduling Optimization using Firefly Algorithm to Improve Voltage Stability under Load Demand Variation [PDF]

, 2018
This paper presents active and reactive power scheduling using firefly algorithm (FA) to improve voltage stability under load demand variation. The study involves the development of firefly optimization engine for power scheduling process involving the ...
Shaaya, Sharifah Azwa, Ghani, Nor Azura Md., Musirin, Ismail, Mohamad Zamani, Mohamad Khairuzzaman, Suliman, Saiful Izwan, Hassan, Halim, Sulaiman, Shahril Irwan   +6 more
core   +2 more sources

Management of Voltage Profile and Power Loss Minimization in a Grid‐Connected Microgrid System Using Fuzzy‐Based STATCOM Controller

Journal of Electrical and Computer Engineering, Volume 2020, Issue 1, 2020., 2020
The expansion of renewable energy is continuing powerfully. Electrical system ought to transmit power with diminished loss, improved power quality, and reliability while pleasing the need of customer’s load demand. Nevertheless, owing to the exhaustion of fossil fuels and their environmental impact, the availability of quality, stable, and reliable ...
Mezigebu Getinet Yenealem, Livingstone M. H. Ngoo, Dereje Shiferaw, Peterson Hinga, Andrea Bonfiglio   +4 more
wiley   +1 more source

Power system optimization approach to mitigate voltage instability issues: A review

Cogent Engineering, 2023
Voltage instability is a major challenge facing power system (PS) that has affected some organizations in achieving their desired goals. Therefore, voltage instability is the incapability of the PS to maintain the voltage standard under no disturbance ...
Samson Ademola Adegoke, Yanxia Sun
doaj   +1 more source

Diagnostic Performance of Pulsed Doppler Ultrasound of the Common Femoral Vein to Detect Elevated Right Atrial Pressure in Pulmonary Hypertension

, 2022
International audienceRight atrial pressure (RAP) is an important prognostic criterion in pulmonary hypertension (PH). The main goals were to evaluate the following: (i) the accuracy of Doppler assessment of common femoral vein flow waveform to detect ...
Montani, David, de Géa, Marion, Puyade, Matthieu, Thollot, Cécile, Croquette, Magali, Lanéelle, Damien, Jutant, Etienne-Marie, Trihan, Jean-Eudes, Matthieu Puyade, Etienne-Marie Jutant, Cécile Thollot, Magali Croquette, Damien Lanéelle, Marion De Géa, David Montani, Jean-Eudes Trihan   +15 more
core   +1 more source

GA based optimal planning of VAR sources using Fast Voltage Stability Index method [PDF]

, 2016
This paper presents a novel approach for reactive power planning of a connected power network. Reactive power planning is nothing but the optimal usage of all reactive power sources i.e., transformer tap setting arrangements, reactive generations of ...
Bharti Indradeo Pratap, Vais Ram Ishwar, Rani Shweta, Bhattacharyya Biplab, Bharti, P. I., Arias Gaviria, Jose Manuel, Bhattacharyya, B., Rani, S., Vais, I. R.   +8 more
core   +2 more sources

Penempatan Optimal Kapasitor Dengan Memperhatikan Stabilitas Tegangan Akibat Penambahan Pembangkit dan Beban Di Kalimantan Selatan-Tengah Tahun 2021 Berdasarkan RUPTL [PDF]

, 2018
Seiring dengan pertambahan beban, PLN mengimbanginya dengan cara membangun pembangkit baru. Hal tersebut dapat menyebabkan kontingensi tegangan dikarenakan perubahan aliran pada jaringan yang dapat menyebabkan pemadaman listrik.
Penangsang, Ontoseno; Institut Teknologi Sepuluh Nopember, Pradana, Rizqi Aditya; Institut Teknologi Sepuluh Nopember, Anam, Sjamsjul; Institut Teknologi Sepuluh Nopember   +2 more
core   +2 more sources

Minimization of Active Power Loss Using Enhanced Particle Swarm Optimization

Mathematics, 2023
Identifying the weak buses in power system networks is crucial for planning and operation since most generators operate close to their operating limits, resulting in generator failures.
Samson Ademola Adegoke, Yanxia Sun, Zenghui Wang   +2 more
doaj   +1 more source

Voltage Stability Analysis for Kurdistan Region Power System Using Fast Voltage Stability Index

Tikrit Journal of Engineering Sciences, 2013
In any stressed power system, Identification of the weakest bus and transmission lines is very important for planning and operation to prevent voltage collapse which leads to total blackout of the whole system.
Dara H. Amin Mohammed
doaj   +1 more source

Determination of Fast Voltage Stability Index (FVSI) using Evolutionary Programming (EP) technique to maintain system stability / Norhafizah Zulkipli [PDF]

, 2014
Nowadays, electrical energy used is increasing from day onwards, so in order to meet the demand, power systems are operating closer to their maximum capacity which will cause higher risk to the power system instability. It also will cause the shutdown of
Zulkipli, Norhafizah
core