FIELD: power electronics.
SUBSTANCE: invention relates to the field of power electronics, in particular, for use in DC or AC systems as a secondary power supply source, for example, in systems for locomotives’ needs. The expected result is achieved by the fact that the modular power converter contains a load-bearing power printed circuit board on a metal base with mounting elements for a heat sink, fuel elements, connecting contacts and terminals, while the fuel elements are soldered on the printed circuit board by surface mounting. The converter additionally contains a control circuit board on which the control components of the power circuit of the converter are located. Petals for surface mounting are used as connecting contacts and terminals. In addition, inductive components are located on the power board, the cores of which have thermal contact with the power board.
EFFECT: increase in the specific power, reliability and efficiency of using the payload volume inside the modular converter due to the use of additional mounting planes created on the control board.
5 cl, 1 dwg
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