Zobrazeno 1 - 10
of 351
pro vyhledávání: '"Discharge location"'
Publikováno v:
Applied Sciences, Vol 14, Iss 20, p 9475 (2024)
The Wire Electrical Discharge Machining (WEDM) process is an accurate method for manufacturing high-added-value components for industry. Continuous developments in the process have resulted in specialized machines used in sectors such as aerospace an
Externí odkaz:
https://doaj.org/article/b619d5c9dd194151a68cf14067450f55
Publikováno v:
Sensors, Vol 24, Iss 16, p 5312 (2024)
In general, a high voltage (HV) substation can be made up of multiple insulation subsystems: an air insulation subsystem (AIS), gas insulation subsystem (GIS), liquid insulation subsystem (power transformers), and solid insulation subsystem (power ca
Externí odkaz:
https://doaj.org/article/c736df18fd3b48db9d765ac8a0d9b954
Akademický článek
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Publikováno v:
IEEE Access, Vol 10, Pp 33844-33854 (2022)
The performance of a new on-line partial discharge (PD) location method based on the Electromagnetic Time Reversal (EMTR) theory and the Transmission Line Matrix (TLM) method are investigated for characterization of Medium-Voltage (MV) networks. The
Externí odkaz:
https://doaj.org/article/4cea1a3b3f38493d97e3cd59e399d41f
Autor:
Min-gu Kang, Jung-Yeon Choi, Hyun-Jung Yoo, Si-Young Park, Yoonhee Kim, Ji Yoon Kim, Sun-wook Kim, Cheol-Ho Kim, Kwang-il Kim
Publikováno v:
Frontiers in Nutrition, Vol 9 (2023)
BackgroundMalnutrition is prevalent among hospitalized older patients. Therefore, this study aimed to investigate the association between nutritional status [assessed using the Mini Nutritional Assessment (MNA) and serum albumin levels] and adverse o
Externí odkaz:
https://doaj.org/article/85db36c452c8442682f3c9e8cb2a961f
Akademický článek
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Publikováno v:
مجله مدل سازی در مهندسی, Vol 19, Iss 65, Pp 81-101 (2021)
This paper uses circuit and field models incorporated into the finite element analysis to detect and locate partial discharges (PDs) in winding insulation of high voltage electric machines. Locating PDs with KHz-MHz frequency components is enabled by
Externí odkaz:
https://doaj.org/article/cb193b3aaf394cbda0b82f5f4906c28b
Publikováno v:
Sensors, Vol 23, Iss 9, p 4562 (2023)
The directional multiple signal classification (Dir-MUSIC) algorithm based on the antenna gain array manifold has been proposed to find the direction of the partial discharge (PD) source in substations. However, PD signals are wideband signals and th
Externí odkaz:
https://doaj.org/article/5c1d78164d16413690e51af9e42698b3
Publikováno v:
Entropy, Vol 25, Iss 4, p 572 (2023)
The location of the partial discharge source is an important part of fault diagnosis inside power equipment. As a key step of the ultra-high frequency location method, the extraction of the time difference of arrival can generate large errors due to
Externí odkaz:
https://doaj.org/article/4bf5209f49c54d28915efe4e3e0d2800
Publikováno v:
BMC Public Health, Vol 19, Iss 1, Pp 1-9 (2019)
Abstract Background The National Early Warning Score (NEWS/NEWS 2) has been adopted across the National Health Service (NHS) in the U.K. as a method of escalating care for deteriorating patients. Intensive Care Unit (ICU) resources are limited and in
Externí odkaz:
https://doaj.org/article/dc05081d852d41ebba8587b42431410a