Results 31 to 40 of about 5,094,043 (324)

Interferometric method for determining the sum of the flexoelectric coefficients (e1+e3) in an ionic nematic material [PDF]

, 2008
The time-dependent periodic distortion profile in a nematic liquid crystal phase grating has been measured from the displacement of tilt fringes in a Mach-Zehnder interferometer.
A. A. T. Smith, C. L. Trabi, C. V. Brown, DeGennes P. G., Madhusudana N. V., N. J. Mottram   +5 more
core   +1 more source

A Comprehensive Review on Optimal Location and Sizing of Reactive Power Compensation Using Hybrid-Based Approaches for Power Loss Reduction, Voltage Stability Improvement, Voltage Profile Enhancement and Loadability Enhancement

IEEE Access, 2020
With the modernization of power grids, the network optimal utilization is essential to ensure that voltage profile at each bus is maintained within an acceptable range, voltage stability of the system is enhanced, power losses in lines are minimized ...
Bazilah Ismail, N. A. Abdul Wahab, M. Othman, M. Radzi, Kanendra Naidu Vijyakumar, Muhammad Najwan Mat Naain   +5 more
semanticscholar   +1 more source

Optimal PV Placement to Reduce Power Loss and Improve Voltage in Distribution Network System Using K-means Clustering Method

Andalas Journal of Electrical and Electronic Engineering Technology, 2022
Placing the PV in the right location will maintain the utility voltage, but if the placement of PV in the wrong location will cause the stability of the system to be affected. In this study, optimization of PV placement uses the K-means Clustering method.
Syukri Yunus, Melda Latif, Darwison Darwison   +2 more
doaj   +1 more source

Calculating Nodal Voltages Using the Admittance Matrix Spectrum of an Electrical Network

Mathematics, 2019
Calculating nodal voltages and branch current flows in a meshed network is fundamental to electrical engineering. This work demonstrates how such calculations can be performed using the eigenvalues and eigenvectors of the Laplacian matrix which describes
Ioannis Dassios, Andrew Keane, Paul Cuffe   +2 more
doaj   +1 more source

Distribution System Reconfiguration with Soft Open Point for Power Loss Reduction in Distribution Systems Based on Hybrid Water Cycle Algorithm

Energies, 2022
In this paper, the role of soft open point (SOP) is investigated with and without system re-configuration (SR) in reducing overall system power losses and improving voltage profile, as well as the effect of increasing the number of SOPs connected to ...
Shamam Alwash, Sarmad Ibrahim, Azher M. Abed   +2 more
doaj   +1 more source

Voltage dip generator for testing wind turbines connected to electrical networks [PDF]

, 2011
This paper describes a new voltage dip generator that allows the shape of the time profile of the voltage generated to be configured. The use of this device as a tool to test the fault ride-through capability of wind turbines connected to the electricity
Abbesa, Atienza, C. Veganzones, C.A. Platero, D. Ramirez, F. Blazquez, F. Gordillo, Flannery, Garnacho, J. Merino, J.A. Sanchez, J.R. Arribas, Ledesma, N. Herrero, Rahimi, Rodriguez, S. Martinez, Sanchez, Santos-Martin, Slemon, Tsili, Veganzones   +21 more
core   +2 more sources

Distribution Network Reconfiguration for Power Loss Reduction and Voltage Profile Improvement Using Chaotic Stochastic Fractal Search Algorithm

Complex, 2020
This paper proposes a chaotic stochastic fractal search algorithm (CSFSA) method to solve the reconfiguration problem for minimizing the power loss and improving the voltage profile in distribution systems.
T. T. Tran, V. N. Dieu, Nguyen Tran Anh
semanticscholar   +1 more source

Increasing Distributed Generation Penetration using Soft Normally-Open Points [PDF]

, 2010
This paper considers the effects of various voltage control solutions on facilitating an increase in allowable levels of distributed generation installation before voltage violations occur.
Bloemink, JM, Green, TC
core   +1 more source

Optimal Location and Sizing of a D-STATCOM in Electrical Distribution Systems to Improve the Voltage Profile Considering the Restriction of Harmonic Injection through the JAYA Algorithm

Energies, 2023
This study focuses on the application of the JAYA algorithm to optimize the implementation and sizing of a distribution static synchronous compensator (DSTATCOM) in distribution systems to reduce power losses and enhance voltage profiles, ensuring a ...
Rony Alvaro, Alexander Águila Téllez, Leony Ortiz   +2 more
doaj   +1 more source

Voltage Profile and Sensitivity Analysis for a Grid Connected Solar, Wind and Small Hydro Hybrid System

Energies, 2021
Due to increase in integration of renewable energy into the grid and power quality issues arising from it, there is need for analysis and power improvement of such networks.
Noah Serem, Lawrence K. Letting, Josiah Munda   +2 more
doaj   +1 more source