Article

Article title AUTONOMOUS VOLTAGE INVERTER WITH SERIES RESONANT CIRCUIT
Authors V.A. Gerasimov, M.V. Kraskovskiy, A.Yu. Filozhenko
Section SECTION IV. HYDROACOUSTICS AND UNDERWATER ROBOTICS
Month, Year 04, 2016 @en
Index UDC 621.31
DOI
Abstract Are considered the problems associated with charging storage batteries of autonomous underwater vehicle (AUV) in a submerged position without lifting it on board a carrier vessel. It is shown of relevance the use to the process of charging the battery of non-contact method of power transmission to the vehicle. Of particular significance such a decision acquire in the organization of the infrastructure of power supply longest underwater based AUV. It is shown the structure and defined functionally necessary elements of a contactless power transmission system in the form of a stand-alone inverter voltage and high-frequency transformer with separate primary and secondary parts. When placing the primary part of the transformer at the base, and the secondary part to the AUV, transmission electrical energy process is carried out by combining the contact surfaces of the parts of the transformer. It is noted a feature of the use of this method associated with the presence of constructive non-magnetic gap between the primary and secondary windings of the transformer, which leads to a low coefficient of magnetic coupling and high values magnetizing current of transformer and the output current supply autonomous inverter. Studies devoted to the problem of reducing current and reduce heat loss in power switches, while maintaining the level of the transmitted energy. Is described patented method of unloading autonomous inverter power switches by incorporating inductive-capacitive resonant circuit at its output. The analysis of the functional relationships between the parameters of the contactless power transmission system for the original version and in the case of the use of the resonant circuit. The reliability of the results is determined by a combination of experimental studies, theoretical calculations and mathematical modeling system. In the numerical example shown, that the proposed technical solution for current discharge transistors autonomous inverter voltage allow to reduce the output current more than three times, while maintaining the transmit power level.

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Keywords Non-contact power transmission; autonomous underwater object; high frequency transformer; autonomous voltage inverter; series resonant circuit; unloading power switches.
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