Results 1 to 10 of about 351,550 (291)
Energies, 2023 With the development of new power systems with high proportions of renewable energy and high proportions of power electronics equipment, the influence of broadband electromagnetic oscillations in power systems is becoming more and more significant.
Tie Zhong, Heling Yang
exaly +3 more sources
A Multi-Mode Recognition Method for Broadband Oscillation Based on Compressed Sensing and EEMD
Applied Sciences (Switzerland)In power systems, the application of wind power generation equipment and power electronic devices leads to an increased frequency of broadband oscillation events, and the detection of oscillation information becomes extremely difficult, due to the ...
Haiying Dong, Honglei Xu
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A Multi-Mode Recognition Method for Broadband Oscillation Based on CS-OMP and Adaptive VMD
EnergiesDue to the application of power electronics and wind power generation equipment in power systems, broadband oscillation events constantly appear, which makes broadband oscillation difficult to detect due to the limitations of communication bandwidth and ...
Haiying Dong, Xujun Zhang, Honglei Xu
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Long-metallic-strip array with parasitic rings: an efficient metasurface for dual-broadband electromagnetic window at large angles [PDF]
NanophotonicsThe long-metallic-strip (LMS) array proposed by J. B. Pendry has been widely studied in electromagnetic windows. However, it could only work for the single-band window, not the dual-band one, due to the plasma-like oscillation attenuating with increasing
Li Tiefu +9 more
doaj +2 more sources
Frontiers in Energy ResearchThe large-scale grid connection of new energy sources makes the power system highly electronic. The resulting broadband oscillation problem is the main challenge hindering the safe and stable operation of current high-proportion new energy power systems.
Yang Xiu, Desheng Zhou, Zhaoxin Du
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Cavity-enhanced broadband photonic Rabi oscillation [PDF]
Physical Review A, 2021 5 pages, 3 ...
Rikizo Ikuta +4 more
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Broadband random optoelectronic oscillator [PDF]
Nature Communications, 2020 AbstractRandom scattering of light in transmission media has attracted a great deal of attention in the field of photonics over the past few decades. An optoelectronic oscillator (OEO) is a microwave photonic system offering unbeatable features for the generation of microwave oscillations with ultra-low phase noise. Here, we combine the unique features
Zengting Ge +5 more
openaire +4 more sources
Development and application of broadband monitoring systems in power grids
Zhejiang dianli, 2023 With the large-scale integration of distributed new energy sources into power grids and the wide application of power electronics， the power grid’s risk of oscillation has reached epidemic proportions and is resolving into broadband domain oscillation ...
SU Rongqiang +6 more
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µJ-level normal dispersion fiber optical parametric chirped-pulse oscillator based on a collapsed-ends photonic crystal fiber [PDF]
EPJ Web of Conferences, 2023 We demonstrate the generation of broadband tunable and synchronized pulses exceeding the microjoule level using the new concept of fiber optical parametric chirped-pulse oscillation (FOPCPO).
Guezennec Tristan +8 more
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Identification of Mode Shapes Based on Ambient Signals and the IA-VMD Method
Applied Sciences, 2021 The paper presents a multiaspect analysis of multivalues and the broadband nature of system oscillation. By analyzing the ambient signal caused by random small disturbances during the normal operation of interconnected power grids, many system operation ...
Fang Liu +5 more
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