Abstract: The application concerns a multi-phase DC/DC-converter, comprising a primary side switching circuit comprising a plurality of primary side switching legs, where each primary side switching leg comprises two or more switch elements; at least one secondary side rectifier circuit each including a plurality of secondary side rectifier legs, where each secondary side rectifier leg includes two or more rectifier elements; a transformer, where the transformer includes a primary side connected to the primary side switching circuit and a secondary side connected to each of the at least one secondary side rectifier circuit; and at least one resonant capacitor network, each connected to the primary side or to the secondary side of the transformer, where each resonant capacitor network includes a plurality of capacitors.

Abstract: The disclosure concerns a multi-level multi-phase converter, comprising: a transformer with multiple phases; a primary side circuit connected to a primary side of the transformer, the primary side circuit comprising multiple parallel connected primary switch legs having primary switches, wherein a number N of phases of the transformer corresponds to that of primary switch legs; and a secondary side circuit connected to a secondary side of the transformer, the secondary side circuit comprising multiple secondary rectifier legs with secondary rectifier elements, wherein the secondary rectifier legs are connected in parallel; wherein each of the primary switch legs comprises multiple stacked primary half-bridges connected in series; and each phase of the primary side of the transformer is connected between two primary half-bridges connected in series. The disclosure also concerns a control method for operating the multi-level multi-phase converter.

Abstract: The disclosure concerns a control method for operating a multi-phase converter with a number N of phases, N being at least three, said converter including a transformer, a primary side circuit which includes primary switch legs with primary switches connected to a primary side of the transformer, and a secondary side circuit which includes secondary switch legs each with at least one secondary switch connected to a secondary side of the transformer, the method including: a boost operation mode including a shorting step of shorting the secondary side circuit by controlling a plurality of secondary switches of separate secondary switch legs to be simultaneously ON, said shorting step is repeated periodically within one switching time period T; and/or a phase-modification operation mode including a phase-reduction step of reducing an operating phase of said converter by controlling all primary switches of at least one primary switch leg to be simultaneously OFF.

Abstract: The application concerns a multi-phase DC/DC-converter, comprising a primary side switching circuit comprising a plurality of primary side switching legs, where each primary side switching leg comprises two or more switch elements; at least one secondary side rectifier circuit each including a plurality of secondary side rectifier legs, where each secondary side rectifier leg includes two or more rectifier elements; a transformer, where the transformer includes a primary side connected to the primary side switching circuit and a secondary side connected to each of the at least one secondary side rectifier circuit; and at least one resonant capacitor network, each connected to the primary side or to the secondary side of the transformer, where each resonant capacitor network includes a plurality of capacitors.

Abstract: An emergency energy store for a vehicle. Multiple electrical energy storage devices may feed electrical power in parallel into an electrical power supply network of a vehicle with the aid of separate voltage converters in each case. An electromechanical brake booster for a vehicle, a braking and/or steering system for a vehicle, and a power supply system for a vehicle, are also provided. A manufacturing method for an emergency energy store of a vehicle is also provided.

Abstract: An emergency energy store for a vehicle. Multiple electrical energy storage devices may feed electrical power in parallel into an electrical power supply network of a vehicle with the aid of separate voltage converters in each case. An electromechanical brake booster for a vehicle, a braking and/or steering system for a vehicle, and a power supply system for a vehicle, are also provided. A manufacturing method for an emergency energy store of a vehicle is also provided.