A compact 35-watt high-efficiency wireless power transmission system under seawater environment
We demonstrate a compact and high-efficiency wireless power transmission system suitable for charging marine sensors, AUV's and electronic devices in the sea. The system, consisted of a rectifier and an antenna, achieved state-of-the-art system efficiency of 40% and high output DC power of 35 W...
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| creator | Yoshida, S. Tanomura, M. Shizuno, K. Kobayashi, N. Fukuda, H. Hama, Y. |
| description | We demonstrate a compact and high-efficiency wireless power transmission system suitable for charging marine sensors, AUV's and electronic devices in the sea. The system, consisted of a rectifier and an antenna, achieved state-of-the-art system efficiency of 40% and high output DC power of 35 W at the distance of 5 cm via sea-water. To determine the operation frequency and power of the system, we investigated attenuation distance and electric field strength. We utilized operation frequency of 1 MHz with an input power of less than 1 KW. The rectifier configuration was designed for undersea operation and achieved a compact size of 50 cm 3 and a high efficiency of 80%. The magnetic resonant antenna with a compact size of 25 cm × 25 cm × 5 cm achieved an efficiency of 50% at the distance of 5 cm via sea-water. The proposed system can contribute to realize various kinds of undersea observations. |
| doi_str_mv | 10.23919/EuMC.2013.6686804 |
| format | Conference Proceeding |
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| ispartof | 2013 European Microwave Conference, 2013, p.904-907 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Antenna measurements Antennas Attenuation Electro magnetic coupling Marine Technology Power transmission Radio frequency Rectifiers RLC circuits Sea measurements |
| title | A compact 35-watt high-efficiency wireless power transmission system under seawater environment |
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