Optimal design of high voltage composite insulators with grading rings in different configurations

MK Hussain, BM Alshadeedi - Electric Power Systems Research, 2023 - Elsevier
Reliability of high voltage composite insulators depends on achieving an optimal electrical
and geometrical design that produces the lowest electric field strength. This paper proposes …

An effective chaotic maps image encryption based on metaheuristic optimizers

SM Sameh, HED Moustafa, EH AbdelHay… - The Journal of …, 2024 - Springer
This paper proposes a robust optimization of eight chaotic maps: Logistics, Sine, Gauss,
Circle, Tent, Chebyshev, Singer, and Piecewise Maps, for superior image encryption. The …

A bare-bones particle swarm optimization with crossed memory for global optimization

J Guo, G Zhou, Y Di, B Shi, K Yan, Y Sato - IEEE Access, 2023 - ieeexplore.ieee.org
The offspring selection strategy is the core of evolutionary algorithms, which directly affects
the method's accuracy. Normally, to improve the search accuracy in local areas, the …

Impact of atmospheric conditions on the flash-over voltage of the transmission line insulators using central composite design

RNR Ghaly, A Ibrahim, SSM Ghoneim, A Abu-Siada… - Scientific Reports, 2024 - nature.com
The insulators of overhead power lines play a crucial role in maintaining the reliability of
transmission and distribution networks. Because they are exposed to harsh and dynamic …

Multiobjective design optimization of hybrid-powered multirotors for enhanced endurance and payload capacity

S Joo, H Kim, H Son - IEEE/ASME Transactions on …, 2024 - ieeexplore.ieee.org
This article presents a novel design optimization method for hybrid-powered multirotor
unmanned aerial vehicles (HPUAVs) to enhance flight endurance and performance …

Optimal design of corona ring in composite insulator considering the effects of tower structure, conductor, hardware and mutual phases

M Khajavi, S Bagheri, A Shemshadi - Electric Power Systems Research, 2023 - Elsevier
One of the key elements in lowering the electric field intensity (EFI) on the creepage distance
of composite insulators is the usage of the corona ring and its ideal design. First, using the …

Artificial intelligence-based surrogate model for computation of the electric field of high voltage transmission line ceramic insulator with corona ring

S Alipour Bonab, A Sadeghi… - World Journal of …, 2024 - emerald.com
Purpose The ionization of the air surrounding the phase conductor in high-voltage
transmission lines results in a phenomenon known as the Corona effect. To avoid this …

Electromagnetic-thermal-flow field calculation and optimal design of environment-friendly live tank multi-break vacuum circuit breakers

X Cheng, S Du, G Ge, H Chen - Electric Power Systems Research, 2023 - Elsevier
Environment-friendly live tank multi-break vacuum circuit breaker (MBVCBs) is a future
direction of high voltage gas insulated switchgear (GIS). The temperature field distributions …

Corona ring improvement to surface electric field stress mitigation of 400 kV composite insulator

R Salhi, A Mekhaldi, M Teguar… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This articles aims to enhance the performance of a 400 kV composite insulator by
minimizing electric field stress along its surface using COMSOL Multiphysics. The study …

Size control method for non-uniform electrical field distribution of an insulator string for power transmission lines

T Kim, S Sanyal, M Rabelo, J Yi - Electric Power Systems Research, 2022 - Elsevier
As a result of rising consumer demand, transmission lines voltages have increased from 154
kV to 765 kV. For 154 kV, 345 kV, and 765 kV transmission lines, 9–10, 19–23, and 30–40 …