scholarly journals Improvement of equivalent magnetic coupling coefficient of wireless power transfer system with multiwinding transmission coil

2019 ◽  
Vol 209 (1-2) ◽  
pp. 20-33
Author(s):  
Keita Furukawa ◽  
Keisuke Kusaka ◽  
Jun‐Ichi Itoh
Keyword(s):  
Coupling Coefficient ◽  
Magnetic Coupling ◽  
Wireless Power Transfer ◽  
Transfer System ◽  
Power Transfer ◽  
Wireless Power ◽  
Wireless Power Transfer System

Optimal Range of Coupling Coefficient of Loosely Coupled Transformer Considering System Resistance

2021 ◽  
Vol 35 (11) ◽  
pp. 1368-1369
Author(s):  
Jiawei Ge ◽  
Hassan Eldeeb ◽  
Kun Liu ◽  
Jinping Kang ◽  
Haisen Zhao ◽  
...  
Keyword(s):  
Output Power ◽  
Coupling Coefficient ◽  
Wireless Power Transfer ◽  
Transfer System ◽  
Power Transfer ◽  
Wireless Power ◽  
Optimal Range ◽  
Loosely Coupled ◽  
System A ◽  
Wireless Power Transfer System

Accurate system resistance may lead to an obvious error between the simulated and the real efficiency of the system. This paper proposes an optimal range of coupling coefficient for ensuring the efficiency and the sufficient output power of the WPT (wireless power transfer) system. A 3-kW prototype WPT system is manufactured and the effectiveness of the optimal range of coupling coefficient is validated.

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