Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Qingzhu Wan"'
Autor:
Jingchao Liu, Yue Chen, Jiqing Yu, Huisheng Wang, Liyan Zhang, Biao Li, Linsheng Cheng, Xianhai Liu, Guinan Wang, Yiyao Li, Qingzhu Wan
Publikováno v:
Energies, Vol 17, Iss 15, p 3796 (2024)
P2A (Power to ammonia) is one of the important ways of large-scale consumption of renewable energy, and one of the important technological routes for the chemical industry to realize low-carbon and clean development. The new off-grid energy power to
Externí odkaz:
https://doaj.org/article/8d212d9c644c4bd1bdc04cdcb7005d74
Publikováno v:
Global Energy Interconnection, Vol 6, Iss 1, Pp 36-49 (2023)
The insulation aging of cross-linked polyethylene (XLPE) cables is the main reason for the reduction in cable life. There is currently a lack of rapid and effective methods for detecting cable insulation defects in power-related sectors. To this end,
Externí odkaz:
https://doaj.org/article/40cfc50528df4454b8a17cd327aaf99a
Autor:
Qingzhu Wan, Shuai Zheng
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 8523-8533 (2022)
Aiming at overcoming the drawbacks of bus voltage deviation and current sharing accuracy degradation caused by conventional v-i droop control in primary control of DC microgrid, a distributed cooperative secondary control strategy is proposed in this
Externí odkaz:
https://doaj.org/article/3a5fdf1c117f43d3a6ffdec70c5f9bf7
Publikováno v:
IET Generation, Transmission & Distribution, Vol 16, Iss 19, Pp 3837-3848 (2022)
Abstract To improve the accuracy of earth faults feeder selection in full cable networks under different fault conditions, an improved K‐means algorithm for earth faults feeder selection in full cable networks is proposed. Firstly, the transient ze
Externí odkaz:
https://doaj.org/article/6db63b33d90f4156b8ccc63de5d5cada
Autor:
Qingzhu Wan, Yi Yu
Publikováno v:
Energy Reports, Vol 6, Iss , Pp 797-806 (2020)
The work of recognizing load patterns for power big data accurately and efficiently is an indispensable basic task for supporting safe, reliable, and economical operation of the power grid. At present, it meets so many difficulties to handle high dim
Externí odkaz:
https://doaj.org/article/643e0a5b24cc45fca111a862b5042d73
Autor:
Qingzhu Wan, Xuyang Yan
Publikováno v:
Applied Sciences, Vol 13, Iss 4, p 2453 (2023)
At present, the metal sheath of high voltage (HV) cables generally adopts the cross-bonded grounding method, which brings many types of faults and challenges the monitoring and diagnosis of the operation status of the cables. In order to effectively
Externí odkaz:
https://doaj.org/article/ad981b3c91c240da91e19f83ace2a227
Publikováno v:
Sensors, Vol 23, Iss 2, p 684 (2023)
To improve the accuracy of shallow neural networks in processing complex signals and cable fault diagnosis, and to overcome the shortage of manual dependency and cable fault feature extraction, a deep learning method is introduced, and a time−frequ
Externí odkaz:
https://doaj.org/article/a330ef35d0d0440caddad4730b8d4c13
Publikováno v:
Sensors, Vol 22, Iss 16, p 6108 (2022)
The transient pulses caused by local faults of rolling bearings are an important measurement information for fault diagnosis. However, extracting transient pulses from complex nonstationary vibration signals with a large amount of background noise is
Externí odkaz:
https://doaj.org/article/f9ceeb0fb0234230b72713dafbc90316
Publikováno v:
Applied Sciences, Vol 12, Iss 14, p 7346 (2022)
The data-driven intelligent fault diagnosis method of rolling bearings has strict requirements regarding the number and balance of fault samples. However, in practical engineering application scenarios, mechanical equipment is usually in a normal sta
Externí odkaz:
https://doaj.org/article/4f65c6acb46242b7bee3c0b93aed6f4b
Autor:
Qingzhu Wan, Hongfan Zhang
Publikováno v:
Energies, Vol 11, Iss 4, p 938 (2018)
Photovoltaic cluster power generation can improve the power generation efficiency of photovoltaic power plants, but the photovoltaic cluster inverter will produce resonance after the grid, affecting the safe and stable operation of power systems. In
Externí odkaz:
https://doaj.org/article/c5e5cd0935a04bfaa46a7fb5d75c4874