Zobrazeno 1 - 10
of 2 443
pro vyhledávání: '"Medium-frequency"'
Autor:
HAO Min (郝民), GAO Junluan (高俊娈), XUE Li (薛丽), ZHANG Gengliang (张庚良), MAO Hui (毛慧), SHEN Yanru (沈彦如), LIU Xiaotong (刘晓彤)
Publikováno v:
中西医结合护理, Vol 10, Iss 5, Pp 90-93 (2024)
This paper summarized the integrated traditional Chinese and western medicine nursing of a type 1 diabetic patient with diabetic gastroparesis and chronic hepatitis B Virus infection. Based on the comprehensive nursing evaluation and syndrome differe
Externí odkaz:
https://doaj.org/article/b861b574e3b74ace917a7178d5565514
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
Dielectric barrier discharges (DBDs) provide a promising technology for generating non-equilibrium cold plasmas at atmospheric pressure. For both application-focused and fundamental research, it is important to explore the discharge mode transition a
Externí odkaz:
https://doaj.org/article/a24ed52bffa74e6ebcee5d2e9251d869
Publikováno v:
Geophysical Research Letters, Vol 51, Iss 16, Pp n/a-n/a (2024)
Abstract Altitude‐triggered lightning provides favorable conditions for the research of bidirectional leader system. In the summer of 2023, altitude‐triggered lightning experiment was conducted on the Field Experiment Base on Lightning Sciences,
Externí odkaz:
https://doaj.org/article/dbb9ae51ee1c4daabe5104bd0aa3d343
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 5, Pp 201-213 (2024)
The safe operation of high-power solid-state transformers (SSTs) in medium-voltage grid-connected applications relies on medium-frequency transformers (MFTs). In MFTs, hybrid foil-litz windings present a cost-effective alternative to litz wire, since
Externí odkaz:
https://doaj.org/article/45cff40d52eb4b488b69a9fa13662f2a
Autor:
Jiajun HONG, Takuya YOSHIMURA
Publikováno v:
Mechanical Engineering Journal, Vol 11, Iss 3, Pp 23-00007-23-00007 (2024)
This work investigates the availability of the baseline approach proposed in the previous researches, and expands the applicability of the method for noise and vibration optimization. Based on the s-plane extension theory, baseline was formed by intr
Externí odkaz:
https://doaj.org/article/da35615f5b1c4ccdad2fd03ae27ed46a
Publikováno v:
Energies, Vol 17, Iss 16, p 4156 (2024)
Accurately calculating winding losses has always been a significant challenge in the design of large-capacity medium-frequency transformers. This paper presents an accurate design algorithm for calculating the winding losses of a large-capacity mediu
Externí odkaz:
https://doaj.org/article/fb520d6344284399b5f39368f91e7efe
Akademický článek
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Autor:
Dariusz Koteras, Bronislaw Tomczuk
Publikováno v:
Sensors, Vol 24, Iss 10, p 3228 (2024)
To find the total core losses in 1-phase medium-frequency transformers, a 3D numerical field analysis was carried out. The proposed numerical modeling was based on the extended iterative homogenization method (IHM) developed by the authors. The achie
Externí odkaz:
https://doaj.org/article/edcab1eb93e94b6fb5f9d49062befdaa
Publikováno v:
IEEE Open Journal of Power Electronics, Vol 4, Pp 137-147 (2023)
Medium-frequency transformers (MFTs) are key components in solid-state transformers, where they provide galvanic isolation and a certain voltage transfer ratio between a MV grid and a LV bus. Typically, MFTs are operated in the kilohertz range, which
Externí odkaz:
https://doaj.org/article/2c4c47da4d7244638f9acd734a8c1d11
Publikováno v:
Engineering Proceedings, Vol 54, Iss 1, p 59 (2023)
Terrestrial radio navigation systems are an important data source for increasing the integrity of position, navigation, and timing information and for strengthening the immunity to the spoofing and jamming of satellite-based systems. A possible solut
Externí odkaz:
https://doaj.org/article/c85c2836d371442f825ce75351b2b15c