Submodule for conversion of direct current power and method for updating program for submodule
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United States of America
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Feb 20, 2024
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app pub date -
Dec 30, 2019
filing date -
Dec 30, 2019
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Abstract
A submodule for conversion of DC power capable of a plurality thereof being connected in series and used for DC-DC conversion in accordance with the present invention comprises: a power switching element for switching DC power supply to convert a source of DC including voltage transformation; a DC capacitor for storing DC power opened or closed by the power switching element; a power supply unit for supplying power required to drive the submodule from the DC capacitor; a submodule controller for controlling whole operation of the submodule; memory for storing data required for operating the submodule controller; and a communicating unit for performing data communication with an external device; wherein the submodule controller may perform a program update during a start sequence of the submodule or during a stop sequence thereof, while DC-DC conversion is operated.
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