Zobrazeno 1 - 10
of 387
pro vyhledávání: '"Xiangjun Zeng"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Aiming at the problem of zero sequence voltage generated by unbalance parameters of line to ground, which affects arc suppression effect of grounding fault of controllable voltage source. By analyzing the influence of ground unbalance parame
Externí odkaz:
https://doaj.org/article/c10fbb6a1cd1465f9b045c2259b0da49
Publikováno v:
High Voltage, Vol 9, Iss 3, Pp 601-613 (2024)
Abstract With the widespread application of composite insulators in transmission lines, exploring the accumulation mechanism of pollution particles on composite insulator surfaces is of importance to ensure the safe and steady operation of the power
Externí odkaz:
https://doaj.org/article/c6a3543354664dbbba3e88f93145dff3
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110008- (2024)
Aiming at the problem of waveform distortion of the secondary traveling wave obtained from the primary traveling wave signal transmitted by the voltage traveling wave sensor, an accurate detection method of voltage traveling wave based on ensemble em
Externí odkaz:
https://doaj.org/article/c9d79ed94a324cea99398237bc09cb62
Publikováno v:
International Journal of Electrical Power & Energy Systems, Vol 159, Iss , Pp 110065- (2024)
To reduce the distortion effects of traveling wavefronts for fault location in distribution networks, a novel fault traveling wave detection method employing Robust Local Mean Decomposition (RLMD), Teager Energy Operator (TEO) and Incremental Differe
Externí odkaz:
https://doaj.org/article/8807276dd1a14b0fa7a7d0c0e9ed407b
Publikováno v:
IET Power Electronics, Vol 17, Iss 2, Pp 183-198 (2024)
Abstract To solve the commutation failure (CF) issues in high voltage direct current (HVDC) transmission systems based on line commutated converter (LCC), this paper proposes a hybrid solution combining the LCC inverter with the continuously controll
Externí odkaz:
https://doaj.org/article/61efb67f84aa4f7d8fa174f60727c831
Publikováno v:
Energy Reports, Vol 9, Iss , Pp 955-968 (2023)
Accurate fault detection and classification help to analyze fault causes and quickly restore faulty phases. Deep learning can automatically extract fault features and identify fault types from the original three-phase voltage and current signals. How
Externí odkaz:
https://doaj.org/article/0061128cd7934fa58b02364cdcc27f68
Autor:
Xia Li, Wanying Zhang, Yanan Wang, Chentao Li, Yibo Wu, Yifei Shang, Haikun Lin, Yufei Li, Yufei Wang, Xiangjun Zeng, Zenan Cen, Xiaoyu Lai, Yi Luo, Pengxu Qian, He Huang
Publikováno v:
iScience, Vol 27, Iss 3, Pp 109126- (2024)
Summary: Aging is considered a critical factor of poor prognosis in allogenic hemopoietic stem cell transplantation (allo-HSCT). To elucidate the underlying mechanisms, we comprehensively reintegrated our clinical data from patients after allo-HSCT a
Externí odkaz:
https://doaj.org/article/806c205741884767857b6c2df41e45b0
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 9, Pp 3232-3249 (2023)
Abstract Aiming at the problems of noise interference and too many network parameters for power quality disturbances' (PQDs') classification based on deep learning, the lightweight convolutional neural network combining maximum likelihood Kalman filt
Externí odkaz:
https://doaj.org/article/818ffeaff5c844ce8c8a09cb9f6c444a
Publikováno v:
Energies, Vol 17, Iss 10, p 2248 (2024)
Due to the overlap of initial traveling wave signals, the traveling wave propagation process in hybrid distribution lines is complicated to analyze. The most significant challenge posed by the traditional passive traveling wave-locating method for hy
Externí odkaz:
https://doaj.org/article/e6fad168583d4f55a927d2c79d3f0401
Publikováno v:
IET Generation, Transmission & Distribution, Vol 17, Iss 12, Pp 2822-2832 (2023)
Abstract Current active suppression technology of arc overvoltage in distribution network has small capacity of controllable voltage source and complex control and cannot flexibly adjust the zero‐sequence voltage of neutral point. This study propos
Externí odkaz:
https://doaj.org/article/2b15ee7e94ec41fcad6f4c8b1b3ea2c3