Results 1 to 10 of about 393,718 (196)

Supercapacitor Energy Storages in Hybrid Power Supplies for Frequency-Controlled Electric Drives: Review of Topologies and Automatic Control Systems

open access: yesEnergies, 2023
This article provides an overview of the use of supercapacitor energy storage systems in adjustable AC drives for various purposes. The structures of the power section of combined (hybrid) power supplies for vehicle electric drives (hybrid electric ...
Polyakov Vladimir, Plotnikov Iurii
doaj   +3 more sources

Fuzzy Controller for a Voltage-Regulated Solar-Powered MPPT System for Hybrid Power System Applications [PDF]

open access: yesEnergies, 2015
This paper presents the design of a fuzzy-logic-based voltage-regulated solar power maximum power point tracking (MPPT) system for applications involving hybrid power systems.
Jaw-Kuen Shiau, Yu-Chen Wei, Min-Yi Lee
doaj   +4 more sources

Research on Safety of Mine Power Supply System [PDF]

open access: yesE3S Web of Conferences, 2021
Electric power is one of the main supplies of mine energy. The safety of electric power is of great significance to the safety of mines. The probability of blackout is relatively small. But once it happens, the harm is great.
Weihua Chen   +3 more
doaj   +1 more source

A Comprehensive Evaluation of Different Power Quantities in DC Electric Arc Furnace Power Supplies

open access: yesEnergies, 2023
Conventionally, DC arc furnaces are fed by thyristor rectifiers to control the level of current or power transferred to the load. With the advancement of high-power transistors, other structures such as diode rectifiers and DC choppers have been ...
Pegah Hamedani   +2 more
doaj   +1 more source

Automated Control Systems for Mutual Loads of Traction Electric Machines

open access: yesNauka ta progres transportu, 2022
Purpose. Testing of electric machines should be as objective as possible and contain reliable information about the quality of manufacture or repair of electric machines.
A. M. Afanasov   +4 more
doaj   +1 more source

Power supplies dynamic redistribution’s for electric system with dispersed generation [PDF]

open access: yesОмский научный вестник, 2019
The article concerns design of electric system with dispersed generation, more precisely, functional location of energy generation units — transmission losses relationship. Electrical load centers are the optimal locations of energy generation units,
B. A. Kosarev   +3 more
doaj   +1 more source

Overview of Propulsion Systems for Unmanned Aerial Vehicles

open access: yesEnergies, 2022
Unmanned Aerial Vehicle (UAV) propulsion technology is significantly related to the flight performance of UAVs, which has become one of the most important development directions of aviation.
Bowen Zhang   +3 more
doaj   +1 more source

Research on high-output-voltage power supply with wide input voltage range for electric propulsion system

open access: yesDianzi Jishu Yingyong, 2021
Power Processing Unit(PPU) is the central part of the xenon ion electric propulsion system, and its size, weight, and key technical difficulties usually exceed the thruster itself.
Shi Kaimin   +4 more
doaj   +1 more source

An Active Control Excitation Method of Three-Stage Brushless Synchronous Starter/Generator in Electric Starting Mode for MEA

open access: yesIEEE Access, 2021
More electric aircraft (MEA) and all electric aircraft (AEA) are the development trends of new generation aircraft. With the increasing dependency on electrical power in MEA, dual-function electrical machinery technology is the inevitable trend of the ...
Yang Juan, Xu Haiyi, Yang Zhangang
doaj   +1 more source

Impact of Electric Vehicles on a Power Line with Photovoltaic Power Plants Connected

open access: yesMachines, 2022
Electric vehicles (EVs) are currently popular, and their number is growing; therefore, they have an impact on the power system. In this paper, the impact of electric vehicles on a power line connected to photovoltaic (PV) power plants regarding the power
Lucian Ioan Dulău, Dorin Bică
doaj   +1 more source

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