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AssigneeSEG Automotive Germany GmbH
InventorsNima Saadat, Murugaperumal Devaraja
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A power supply circuit in an inverter for driving an electrical machine includes a high-voltage branch, a low-voltage branch, a backup supply branch, an operating DC/DC converter, which is connected on the one hand to the high-voltage branch and on the other hand to the low-voltage branch, a backup supply DC/DC converter, which is connected on the one hand to the high-voltage branch and on the other hand to the backup supply branch, an inverter circuit for connecting the electrical machine to the high-voltage branch, and a safety control device which is set up to switch the inverter circuit to a safe state when a shutdown situation is present, wherein the inverter circuit and the safety control device are supplied with energy from the low-voltage branch, wherein the inverter circuit and the safety control device are additionally supplied or can be supplied with energy from the backup supply branch.
A power supply circuit (100) in an inverter (1) for driving an electrical machine (500), the power supply circuit (100) having
Dependencies are inferred from the claim text.