Results 11 to 20 of about 793,342 (350)
Electric Transmission of Power [PDF]
Nature, 1891 YOUR article of the 1st inst. on the International Electrical Exhibition (p. 522), says: “In those days (before 1879) two wrong notions misled people—the one, that the maximum efficiency of a perfect electromotor could be only 50 per cent.; the other, quoting the remarks of Sir W.
JOSEPH JOHN MURPHY
openalex +3 more sources
A Review of Magnetic Gear Technologies Used in Mechanical Power Transmission
Energies, 2023 This paper presents a literature review on magnetic gears, highlighting the advantages of using these technologies for mechanical power transmission applications in wind energy conversion systems and transportation, such as in electric vehicles. Magnetic
G. Ruiz-Ponce +3 more
semanticscholar +1 more source
Research on automatic location and recognition of insulators in substation based on YOLOv3
High Voltage, 2019 With the development of a smart grid, the automatic location of power equipment is becoming a trend. In this study, a method for automatic location identification and diagnosis of external power insulation equipment based on YOLOv3 is proposed. This deep
Yunpeng Liu +6 more
doaj +1 more source
Magnetic Field Visualization Teaching Based on Fusion Method of Finite Element and Neural Network
Applied Sciences, 2022 We developed a visual teaching platform that can calculate the magnetic field of magnetic core inductance in real time. The platform adopts the combination of two theories of finite element calculation and neural network technology.
Guang Yang +5 more
doaj +1 more source
IET Generation, Transmission & Distribution, 2022 To solve the difficulty of eigenvalue extraction of on‐load tap‐changer (OLTC) vibration signals, an eigenvalue extraction method of time‐frequency matrix based on Hilbert energy spectrum and spectral entropy is proposed in this study.
Jianghai Geng +4 more
doaj +1 more source
IEEE Access, 2018 DC cables may be subjected to impulse overvoltage during operation, which may cause electrical tree inside the cable insulation. So, it is necessary to investigate the influence of impulse voltage on the insulation of dc cable.
Hechen Liu +5 more
doaj +1 more source
, 2018 Commonly, one‐dimensional (1‐D) Earth impedances have been used to calculate the voltages induced across electric power transmission lines during geomagnetic storms under the assumption that much of the three‐dimensional structure of the Earth gets ...
G. Lucas, J. Love, A. Kelbert
semanticscholar +1 more source
Effect of DC Pre-stress on Space Charge and Electrical Tree in XLPE with Needle-Plate Electrodes
Zhongguo dianli, 2021 Space charge is one of the main factors that affect the electrical tree characteristics of HVDC cable insulation. Based on the bipolar charge transport model, this paper simulates the space charge distribution characteristics of the two-dimensional ...
Xiaobin XU +5 more
doaj +1 more source
Nanomaterials, 2021 Traditional epoxy resin (EP) materials have difficulty to meet the performance requirements in the increasingly complex operating environment of the electrical and electronic industry. Therefore, it is necessary to study the design and development of new
Qijun Duan +6 more
doaj +1 more source
Electronics, 2021 An interconnection of electric power networks enables decarbonization of the electricity system by harnessing and sharing large amounts of renewable energy.
Imdadullah +3 more
semanticscholar +1 more source