Results 31 to 40 of about 20,817,051 (316)

Coherent beam combining architectures for high power tapered laser arrays

, 2022
Paper 100860O, 11 S.Coherent beam combining (CBC) aims at increasing the spatial brightness of lasers. It consists in maintaining a constant phase relationship between different emitters, in order to combine them constructively in one single beam.
Erbert, G., Lucas-Leclin, G., Traub, M., Witte, U., Hanna, S., Janicot, S., Schimmel, G., Decker, J., Georges, P., Crump, P.   +9 more
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High current field test of impulse transient characteristics of substation grounding grid

The Journal of Engineering, 2018
It is significant to research the impulse characteristics of substation grounding grid for its optimal design and safe and stable operation. In order to obtain the impulse transient characteristics of substation grounding grid under lightning impulse ...
Xuefang Tong, Xiaohui Dong, Bo Tan
doaj   +1 more source

Precise hardening with high-power diode lasers using beam-shaping mirror optics

, 2022
S.86-93Heat Treatment is one of the most promising application of multi kilowatt high power diode lasers. Providing a sufficient beam quality HPDL's have the advantage of their high efficiency comparing to Nd:YAG-lasers.
Seifert, M., Beyer, E., Bonß, S., Brenner, B.   +3 more
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Proposed methodology for online frequency response analysis based on magnetic coupling to detect winding deformations in transformers

High Voltage, 2019
Frequency response analysis is widely used as a method for the offline diagnosis of winding deformations in power transformers. To apply it to a working transformer, people need to determine how to inject the excitation signal and measure the response ...
Yangchun Cheng, Jiangang Bi, Jiangang Bi, Wenzhi Chang, Yuan Xu, Xiaohua Pan, Xianwei Ma, Shuai Chang   +7 more
doaj   +1 more source

Enhanced Fault-Tolerant Robust Deadbeat Predictive Control for Nine-Level ANPC-Based Converter

IEEE Access, 2022
Deadbeat model predictive control (DB-MPC) is one of the advanced promising control methods for power converters thanks to its simplicity, high steady-state performance and fast dynamic response.
Ibrahim Harbi, Mostafa Ahmed, Marcelo Lobo Heldwein, Ralph Kennel, Mohamed Abdelrahem   +4 more
doaj   +1 more source

Impact of wind power on the unit commitment, operating reserves and market design [PDF]

, 2011
Paper presented at the 2011 IEEE Power and Energy Society General Meeting, San Diego, CA, 24-29 July 2011This article highlights and demonstrates the new requirements variable and partly unpredictable wind power will bring to unit commitment and power ...
Milligan, M., Lange, B., Gibescu, M., Michael Milligan, Hannele Holttinen, Lange, Bernard, Kiviluoma, K., Juha Kiviluoma, Meibom, P., Meibom, Peter, O\u27Malley, Mark, Peter Meibom, Madeleine Gibescu, Kiviluoma, Juha; id_orcid, Tuohy, Aidan, Holttinen, H., Tuohy, A., Gibescu, Madeleine, Holttinen, Hannele, O'Malley, M., Milligan, Michael R., Bernhard Lange, Kiviluoma, Juha, Aidan Tuohy, O'Malley, Mark, Mark O'Malley, Kiviluoma, J.   +26 more
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Current challenges for high-power semiconductor disk lasers

, 2022
S.4-5Here we review of high-power semiconductor disk lasers including thermal management issues and new ...
Malcolm, G.P.A., Bennett, T.E., Hamilton, C.J., Dawson, M.D., Stothard, D.J.M., Hopkins, J.-M., McKnight, L.J., Kane, D.J.   +7 more
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Estimation of Critical Resistive Leakage Current of polymer housed ZnO surge arrester by electro-thermal modelling

Journal of Electrical Systems and Information Technology, 2018
In this study, a MATLAB/Simulink software based electro-thermal model of the polymer housed, gapless, 60 kV ZnO surge arrester is used for estimating the ‘ Critical Resistive Leakage Current (CRLC)’.
Likitha S., Kanyakumari M., Jithin Pauly P., Shivakumara Aradhya R. S., Vasudev N.   +4 more
doaj   +1 more source

Depth hole filling and optimizing method based on binocular parallax image

IET Control Theory & Applications, 2023
Environment perception is one of the most vital function for autonomous robots while performing complex tasks in dynamic environment. In binocular stereo vision algorithm, the calculation of disparity image depends on matching algorithm, and the ...
Xiaoxiang Han, Qingmiao Chen, Qinyong Ma, Xiaoliang Yang, Hongyue Men, Yue Su, Xiaozhuang Tian   +6 more
doaj   +1 more source

Novel applications for high power diode lasers

, 2012
2 S.High power diode lasers are getting more popular not only for pumping applications but also for direct material processing. Even though laser sources like fiber lasers and disc lasers still offer comparably high beam quality, diode laser systems ...
Gronenborn, S., Traub, M., Roesner, A., Diettrich, J.   +3 more
core   +1 more source