Results 21 to 30 of about 1,701,848 (282)

Strengthening the resilience and adaptive capacity of societies at risk from hybrid threats [PDF]

open access: yes, 2021
How would the civilian population of a specific country respond to significant disruptions caused by hybrid threats? This paper explores different response scenarios and considers what can be done to strengthen the resilience and adaptive capacities of a
de Coning, Cedric
core  

Characteristic Analysis and Control of a Hybrid Excitation Linear Eddy Current Brake

open access: yesEnergies, 2015
In this paper, a novel hybrid excitation linear eddy current brake is presented as a braking system for high-speed road and rail vehicles. The presence of the permanent magnets (PMs), whose flux lines in the primary core are oppositely directed with ...
Baoquan Kou   +3 more
doaj   +1 more source

Analytical Design of a Hybrid-Excited Wound Field Synchronous Machine for the Improvement of Torque Characteristics

open access: yesIEEE Access, 2020
This paper proposed a novel hybrid-excited wound field synchronous machine (HE-WFSM) to efficiently use the field torque and reluctance torque. Meanwhile, an analytical method is utilized to achieve the torque-angle consistency principle, which allows ...
Wenping Chai   +2 more
doaj   +1 more source

Design and Realization of a Hybrid Excited Flux Switching Vernier Machine for Renewable Energy Conversion

open access: yesEnergies, 2021
This paper presents the design of a hybrid excited flux switching Vernier machine. This machine is designed to serve in renewable energy conversion applications, such as a wind turbine generator, or tidal turbine generator.
Haidar Diab   +3 more
doaj   +1 more source

Characteristic Analysis of a New Double Stator Bearingless Switched Reluctance Motor

open access: yesIEEE Access, 2021
In order to improve the performance of bearingless switched reluctance motor (BSRM), this paper proposes a new double stator bearingless switched reluctance motors (DSBSRM).
Chuanyu Sun   +5 more
doaj   +1 more source

Analysis of hybrid Nd:Yag laser-MAG arc welding processes. [PDF]

open access: yes, 2011
In the hybrid laser-arc welding process, a laser beam and an electric arc are coupled in order to combine the advantages of both processes: high welding speed, low thermal load and high depth penetration thanks to the laser; less demanding on joint ...
F. Coste   +9 more
core   +1 more source

Electromagnetic design and temperature field analysis of hybrid excitation primary permanent magnet linear motor

open access: yesFrontiers in Energy Research, 2023
Hybrid excitation primary permanent magnet linear motor has the dual advantages of high thrust density of primary permanent magnet linear motor and the flexibility on adjusting the air gap magnetic field of hybrid excitation motor. In this paper, two new
Xiuping Wang   +3 more
doaj   +1 more source

A Novel Dual-Structure Parallel Hybrid Excitation Machine for Electric Vehicle Propulsion

open access: yesEnergies, 2019
Magnetic field regulation is a difficult and long-existing issue in surface-mounted permanent magnet synchronous machines (PMSMs). To produce effective and efficient flux regulation for PMSMs, a new topology, named a dual-structure parallel hybrid ...
Xiaodong Zhang, Xing Zhao, Shuangxia Niu
doaj   +1 more source

Thermal Analysis of Dual-Axis-Direction Hybrid Excitation Generator for Electric Vehicles

open access: yesEnergies, 2022
Electric vehicle (EV) generators have characteristics of small volume and high power density, which leads to high temperature rise. The temperature rise will directly influence the service life and reliability of the generator, so thermal analysis of EV ...
Yu Cao   +3 more
doaj   +1 more source

Novel Consequent-Pole Hybrid Excited Machine with Separated Excitation Stator

open access: yesIEEE Transactions on Industrial Electronics, 2016
A partitioned stator hybrid excited machine is proposed, in which the permanent magnets and field windings are alternately placed on an inner stator separated from the outer stator having armature windings. This machine inherits the features of brushless machines and benefits from better space utilization.
Hua, H., Zhu, Z.Q., Zhan, H.
openaire   +2 more sources

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