Results 11 to 20 of about 15,513 (312)

Series Arc Detection and Complex Load Recognition Based on Principal Component Analysis and Support Vector Machine

IEEE Access, 2019
The increasing household loads make series arc faults more complex, which are difficult to be detected by traditional circuit breakers and lead to the frequent occurrence of residential fire accidents.
Jun Jiang, Zhe Wen, Mingxin Zhao, Yifan Bie, Chen Li, Mingang Tan, Chaohai Zhang   +6 more
doaj   +1 more source

Optimal Area-Product Model (OAPM) Based Non-Iterative Analytical Design Methodology for Litz-Wired High-Frequency Gapped- Transformer (LHFGT) in LLC Converters

IEEE Access, 2020
In dc-dc LLC resonant converters, the Litz-wired high-frequency gapped-transformer (LHFGT) plays an important role, as it provides the necessary isolation, the required voltage-conversion, and the desired magnetizing inductance (Lm) for efficient ...
Daniyal Ahmed, Li Wang
doaj   +1 more source

Environmental Impact Assessment, on the Operation of Conventional and More Electric Large Commercial Aircraft [PDF]

, 2013
Global aviation is growing exponentially and there is a great emphasis on trajectory optimization to reduce the overall environmental impact caused by aircraft. Many optimization techniques exist and are being studied for this purpose.
Lawson, Craig P., Seresinhe, R., Sabatini, Roberto   +2 more
core   +1 more source

Parameters Design and Optimization of SiC MOSFET Driving Circuit with Consideration of Comprehensive Loss and Voltage Stress

Micromachines, 2023
In conventional parameters design, the driving circuit is usually simplified as an RLC second-order circuit, and the switching characteristics are optimized by selecting parameters, but the influence of switching characteristics on the driving circuit is
Haihong Qin, Zhenhua Ba, Sixuan Xie, Zimo Zhang, Wenming Chen, Qian Xun   +5 more
doaj   +1 more source

Control-Based Two-Layer Protection for Short-Circuit Fault at an LVDC Feeder Branch

Energies, 2022
Low-voltage dc distribution offers high efficiency for grid integration of dc-based technologies such as photovoltaic and battery storage systems and new loads such as charging stations for electric vehicles due to reduced number of conversion stages ...
Jiajun Yang, Sebastian Brueske, Giampaolo Buticchi, Chunyang Gu, Sandro Guenter, Pat Wheeler   +5 more
doaj   +1 more source

Study of Excitation Characteristics of Traction Machine/Drive Systems

Energies, 2019
In order to accurately evaluate the performance of a traction machine/drive system, it is necessary to have an accurate excitation source which considers current harmonics.
Wenying Jiang, Qiqi Guo, Zhen Zhang
doaj   +1 more source

Mission Performance Analysis of Hybrid-Electric Regional Aircraft

Aerospace, 2023
This article discusses the mission performance of regional aircraft with hybrid-electric propulsion. The performance analyses are provided by mission simulations tools specifically developed for hybrid-electric aircraft flight dynamics.
Giuseppe Palaia, Karim Abu Salem
doaj   +1 more source

Structural power performance targets for future electric aircraft [PDF]

, 2021
The development of commercial aviation is being driven by the need to improve efficiency and thereby lower emissions. All-electric aircraft present a route to eliminating direct fuel burning emissions, but their development is stifled by the limitations ...
Elitza Karadotcheva, Milo S. P. Shaffer, Greenhalgh, Emile S, Greenhalgh, Emile S.,, Sang N. Nguyen, Kucernak, Anthony RJ, Linde, Peter, Shaffer, M. S.,, Greenhalgh, Emile S., Shaffer, Milo SP, Peter Linde, Nguyen, Sang N, Karadotcheva, Elitza, Nguyen, Sang N., Anthony R. J. Kucernak, Emile S. Greenhalgh, Nguyen, Sang N.,, Shaffer, M. S., Kucernak, A., Karadotcheva, Elitza,, Linde, Peter,, Kucernak, A.,   +21 more
core   +1 more source

Parallel hybrid electric propulsion architecture for single aisle aircraft - powertrain investigation [PDF]

MATEC Web of Conferences, 2019
This paper presents an investigation of the fuel- and energy-saving potential through the introduction of several hybrid electric propulsion (HEP) and more electric aircraft (MEA) systems on single aisle aircraft.
Vankan Jos, Lammen Wim
doaj   +1 more source

Reliability-Oriented Design of Inverter-Fed Low-Voltage Electrical Machines: Potential Solutions

Energies, 2021
Transportation electrification has kept pushing low-voltage inverter-fed electrical machines to reach a higher power density while guaranteeing appropriate reliability levels. Methods commonly adopted to boost power density (i.e., higher current density,
Yatai Ji, Paolo Giangrande, Vincenzo Madonna, Weiduo Zhao, Michael Galea   +4 more
doaj   +1 more source