Results 11 to 20 of about 10,690,097 (295)
Altered low-frequency oscillation amplitude of resting state-fMRI in patients with discogenic low-back and leg pain [PDF]
Journal of Pain Research, 2018 Fuqing Zhou,1,2 Lili Gu,3 Shunda Hong,1,2 Jiaqi Liu,1,2 Jian Jiang,1,2 Muhua Huang,1,2 Yong Zhang,3 Honghan Gong1,2 1Department of Radiology, The First Affiliated Hospital, Nanchang University, Nanchang, Jiangxi, People’s Republic of China ...
Zhou F +7 more
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Study on stability margin of ultra-low frequency oscillation in hydropower system
Energy Reports, 2023 In recent years, the ultra-low frequency oscillation of power system caused by hydropower units has occurred frequently. It is very important to study the ultra-low frequency oscillation characteristics of hydropower stations for the stable operation of ...
Fan Tang +8 more
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Synchronization of Low-Frequency Oscillation in Power Systems
Energies, 2017 This paper presents the well-documented concept of synchronization of low frequency oscillation occurring in power systems and describes the characteristics of sync occurring in basic electrical circuits.
Kwan-Shik Shim +2 more
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Modal Parameter Identification of Low Frequency Oscillation in Power System Based on Ambient Data [PDF]
发电技术, 2022 Low frequency oscillation is one of the key problem affecting the safe and stable operation of interconnected power system, variational modal decomposition (VMD) was used to extract low-frequency oscillation signals from ambient data, and a method of low-
YAN Hongyan, HWANG Jin Kwon, GAO Yanfeng
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Energies, 2023 This article addresses the problem of the contact voltage increase caused by the low-frequency oscillation of the train-grid system in the phase-separation process of EMUs.
Jixing Sun +6 more
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Householder-based Prony Method for Identification of Low-frequency Oscillation in Power System [PDF]
E3S Web of Conferences, 2019 In this paper, the Prony analysis tool with the software used in the actual operation has a large error. The improved Prony method is used to identify the low-frequency oscillation mode of the power system. The traditional Prony algorithm has the problem
Zhang Simin +3 more
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Energies, 2018 Low frequency oscillation in an interconnected power system is becoming an increasingly serious problem. It is of great practical significance to make online evaluation of actual power grid’s stability. To evaluate the stability of the power system
Wenping Hu +5 more
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Improvement of the low frequency oscillation model for Hall thrusters
AIP Advances, 2016 The low frequency oscillation of the discharge current in Hall thrusters is a major aspect of these devices that requires further study. While the existing model captures the ionization mechanism of the low frequency oscillation, it unfortunately fails ...
Chunsheng Wang, Huashan Wang
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Journal of Pain Research, 2019 Anfeng Xiang,1,* Yang Yu,2,* Xize Jia,3,4 Huibin Ma,5,6 Hui Liu,1 Yu Zhang,1 Jun Rong,7,* Sheng Liu1,* 1School of Acupuncture-Moxibustion and Tuina, Shanghai University of Traditional Chinese Medicine, Shanghai, China; 2Department of Psychiatry, the ...
Xiang A +7 more
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Gaoyuan qixiang, 2023 In order to study the characteristics of low frequency oscillation of summer precipitation over Qinghai-Xizang Plateau， based on the daily precipitation data of 62 meteorological stations over the Qinghai-Xizang Plateau from 1978 to 2017 and the high ...
Xizhao WANG +4 more
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