Results 21 to 30 of about 118,080 (265)

New analytical algorithm for calculating the end leakage magnetic field of a 300Mvar synchronous condenser under no‐load condition

open access: yesIET Electric Power Applications, 2021
Aiming at the complexity of end structures in the end region of large synchronous machines, it is difficult to obtain an analytical method for the end leakage magnetic field.
Erhang Zhu   +4 more
doaj   +1 more source

Design route towards a PM machine for rotorcraft environments

open access: yesThe Journal of Engineering, 2019
This paper discusses the design route followed in the development of a permanent magnet (PM) machine for electrical power generation on board a rotorcraft (helicopter).
Dominic North   +4 more
doaj   +1 more source

Investigation of triple quadrature pad for wireless power transfer system of electric vehicles

open access: yesIET Electrical Systems in Transportation, 2021
Inductive Power Transfer (IPT) system is an appealing approach among researchers as well as industrial manufacturers of electric vehicle (EV) charging systems.
Bita Esmaeili Jamakani   +3 more
doaj   +1 more source

Study on the influence of rainfall on the electric field distribution and switching impulse voltage of large-size sphere–plane gap

open access: yesThe Journal of Engineering, 2019
Previously, the research about the influence of rainfall on the discharge characteristics of the gap mainly focused on the severe non-uniform electric field gap such as rod–plane, rod–rod, or tower head of which the electrode size was generally small. As
Feifan Zhou   +4 more
doaj   +1 more source

Torque ripple reduction in homopolar poly-phase transverse flux machine

open access: yesThe Journal of Engineering, 2019
The problem of high ripple in output torque is inherent to switched reluctance and permanent magnet machines compared to conventional machines. Torque ripple is undesirable as it leads to increased audible noise, speed ripple, and fatigue.
Priyanka Golatgaonkar   +2 more
doaj   +1 more source

Breakdown process on rod–rod air gap under oscillating lightning impulse voltage

open access: yesHigh Voltage, 2020
This study presents the discharge process on rod–rod electrodes under oscillating lightning impulse voltage. For this purpose, a measurement system has been developed to record the discharge currents at both rod electrodes simultaneously and to ...
Akif Gürlek
doaj   +1 more source

Reformulation and generalisation of the air-gap element

open access: yesCoRR, 2023
published in ICS Newsletter (International Compumag Society)
Herbert De Gersem, Thomas Weiland
openaire   +2 more sources

Study the effect of Pitch size When the number of rings of the second air gaps on the dispersion profile of Photonic Crystal Fibers

open access: yesTikrit Journal of Pure Science, 2023
The need for a fibre optics working in the visible part of the electromagnetic spectrum has led to the development of new kind of fibre optics called photonic crystal fibre (PCF).In this paper we have investigate the effect of the pitch distance Λ as a ...
Basira Q. Sulaiman   +2 more
doaj   +1 more source

Simulation of positive streamer propagation in an air gap with a GFRP composite barrier

open access: yesHigh Voltage, 2021
The puncture of glass fibre reinforced polymer (GFRP) laminate is a primary damage pattern of wind turbine blades due to lightning strikes. A numerical simulation model of positive streamer propagation in a needle‐to‐plate air gap with a GFRP laminate is
Hengxin He   +5 more
doaj   +1 more source

Air Gap Penetration

open access: yesInternational Journal of Scientific Research in Computer Science, Engineering and Information Technology, 2019
The issue of data security is very paramount for any organization now a day So through this project we will show how an attacker can steal data from the air gapped channels and also provide some measures in order to protect data from such type of attacks.
Pooja Mudgil   +3 more
openaire   +1 more source

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