Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Zhang Hai Shi"'
Publikováno v:
IEEE Transactions on Applied Superconductivity. 31:1-4
For the design of superconducting magnets, the magnetic field and critical current distributions are usually calculated based on finite element software such as COMSOL, ANSYS, etc. These software are necessary for accurate structure modeling and fiel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9a6660e84bb061dfa9996944a452013d
https://doi.org/10.1109/tasc.2021.3110499
https://doi.org/10.1109/tasc.2021.3110499
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-5
This paper systematically elaborates the mechanism and experimental verification of bidirectional wireless power transfer (WPT) technology. The mathematic model of bidirectional power flow is presented and a phase-angle control method is introduced t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0637190fbcb8e2322756a16f3dde9747
https://doi.org/10.1109/tasc.2019.2893711
https://doi.org/10.1109/tasc.2019.2893711
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-4
High temperature superconducting (HTS) technology is a good choice for developing high-power high-efficiency wireless power transfer (WPT) device because the HTS coils have very high critical current and nearly zero resistive loss. This paper investi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::055884a5573b82a6f235072af73c97e4
https://doi.org/10.1109/tasc.2019.2891682
https://doi.org/10.1109/tasc.2019.2891682
Publikováno v:
2020 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD).
The AC loss calculation formula is complicated, and the actual application can only rely on simple numerical calculation, or use finite element software to estimate. The proposed GUI tool environment is a multiple window interface developed using MAT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::311f4c9d251fdaf129b5382245f9b2eb
https://doi.org/10.1109/asemd49065.2020.9276173
https://doi.org/10.1109/asemd49065.2020.9276173
Publikováno v:
2020 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD).
The calculation formula of AC loss is very complicated, and most of them rely on the electromagnetic analysis of superconductors by finite element software to estimate the value of AC loss. This paper has a complete graphical user interface that allo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::231e0221ff3fb5ff0d12ab46985a0013
https://doi.org/10.1109/asemd49065.2020.9276180
https://doi.org/10.1109/asemd49065.2020.9276180
Autor:
Zhong Cai Qiu, Zhang Hai Shi
Publikováno v:
2018 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD).
This paper presents the design method of coils for a 10kW wireless charger for electric vehicle (EV). Design procedures are elaborated based on the specifications such as power ratings, gap distance, space limitation. Experimental results validate th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd73e58033ed5033a4459ef793eeab50
https://doi.org/10.1109/asemd.2018.8558822
https://doi.org/10.1109/asemd.2018.8558822
Autor:
Zhong Cai Qiu, Zhang Hai Shi
Publikováno v:
2018 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD).
This paper examined mutual inductance between rectangular coils and spiral coils used in wireless power transfer (WPT) systems. Half analytical and half numerical method have been adopted. Analysis results show that inductance decreases when misalign
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e98cf43768e3998fdfbbe044f1adcba1
https://doi.org/10.1109/asemd.2018.8559009
https://doi.org/10.1109/asemd.2018.8559009
Publikováno v:
International Journal of Circuit Theory and Applications. 41:779-791
Two concepts of buffer energy and energy factor for switched-mode power converters are proposed and examined. They can describe the nonactive power as well as predict and evaluate the performance of DC–DC converters. The concepts can also find usag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::134240a5ae94461dbb2ae2d69ec4a05e
https://doi.org/10.1002/cta.815
https://doi.org/10.1002/cta.815
Publikováno v:
Key Engineering Materials. :1257-1261
Dimming control is used for energy saving scheme in most of the general lighting system. There are different kinds of dimming control methods in the lighting device. This paper aims to provide a general discussion on the power circuit to lighting up
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ead7f87736566453d19d9360d7859cac
https://doi.org/10.4028/www.scientific.net/kem.364-366.1257
https://doi.org/10.4028/www.scientific.net/kem.364-366.1257
Publikováno v:
2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD).
This paper presents a combined topology based on switched-capacitor converter. This topology can adjust output voltage. It eliminates inrush current and has high power density. Through parallel connection, the topology can output high power.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59fef8d272ebb44151f7894aa63c58da
https://doi.org/10.1109/asemd.2015.7453596
https://doi.org/10.1109/asemd.2015.7453596