Authors V.A. Gerasimov, A.V. Komlev, M.V. Kraskovskiy, F.Yu. Filozhenko, I.A. Chemezov
Month, Year 01, 2018 @en
Index UDC 621.3(001.3+14.232)
Abstract The issues of non-contact power transmission system construction on underwater vehicle for charge batteries are considered. The research object is a special high-frequency power transformer with multiple primary and secondary parts, which is part of the power transmission system and determines its properties to a large extent. The substantiation and development of the method for calculation of the structural parameters of a transformer, which satisfies the specified conditions of operation and provides the required capacity, is assigned as a research task. The research is based on mathematical modeling of electromagnetic processes in a transformer using the software package ANSYS Maxwell in combination with full-scale experiment. The magnetic coupling coefficient and the specific inductance of the winding coil are highlighted for the complete identification of the transformer properties. Proposed is a system of relative units, in which the characterizing parameters have a constant value for any cores of the same type, that makes it easy to scale the results of the received technical solutions in conditions of changing the requirements for the transmitted power. The method approximating polynomials definition connecting arrays of a magnetic coupling ratio and specific inductance values with relative gaps values between contact surfaces of transformer parts and interaxial shifts is offered. The executed researches have allowed proposing and substantiating the basic transformers structural parameters calculation method. The calculation algorithm as a certain sequence of computational blocks and conditional transitions is executed in the form of a flowchart. The flowchart in a visual form represents the interconnection of computational operations and in an informal way shows ways of transformer design optimization. The obtained results refer to the ferrite P cores type, but the approaches taken in the studies give an opportunity to expand the calculation method to other structural forms of transformers that can find application in the system of underwater vehicle batteries non-contact charging.

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Keywords Autonomous unmanned underwater vehicle; battery charge; non-contact power transmission; high frequency transformer; methods of calculation.
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