Power balance and power factors of distorted electrical systems and variable speed asynchronous electric drives

V Petrushyn, V Horoshko, J Plotkin, N Almuratova… - Electronics, 2021 - mdpi.com
In this study, power quality coefficients that determine the distortion of electrical systems are
established. The power factor is chosen as a universal criterion for electromagnetic and …

[PDF][PDF] Single-phase transformerless inverter topologies at different levels for a photovoltaic system, with proportional resonant controller

L Abdelhak, A Benslimane, B Jamal… - International Journal of …, 2023 - core.ac.uk
In this paper, we have studied the topologies of single-phase transformerless inverters with
different levels using a proportional-integral-resonant (PIR) AC controller, and the multi-level …

Ecotourism in Morocco: Review of the Current Situation, Natural Potential, Cultural Diversity, Obstacles and Recommendations for Future Research

S Chellik, I Mansouri, W Squalli, H Achiban… - Tropical Journal of …, 2023 - ajol.info
This review attempts to highlight the past and current status of ecotourism in Morocco,
investigate its committed as an essential sustainable product, and make recommendations …

New Strategy for Unbalance Compensation Based on PWM AC-Chopper for Railway Applications

M Ismail, B Anas, B Jamal, L Badreddine… - … and Renewable Energy …, 2022 - Springer
This paper focuses on the problem of voltage unbalance for single-phase railway
substations using the AC-chopper controlled impedance concept (CCI). This topology is …

[PDF][PDF] The Concept of AC-Chopper Controlled Impedance for Railway Unbalance Compensation to Improve the Quality of Energy

I Mir, A Benslimane, Y Ayat, J Bouchnaif, M Cali - 2022 - researchgate.net
This paper investigates improving the quality of the energy used in the railway field. Due to
structural aspects, the railway substations of the high-speed lines generate a voltage …