Patent · US Active

Technique for disconnecting the actuation of a power stage

US12143045B2 · kind B2 · utility

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20Claims

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Assignee

PHOENIX CONTACT GMBH & CO. KG · DE

Inventors

Alexander Guenter · Barntrup, DE
Dirk Plewka · Nieheim, DE
Lutz Heuer · Blomberg, DE

Key dates

Filing date	Jul 7, 2021
Grant date	Nov 12, 2024
Priority date	—
Expiry date	Nov 17, 2041

Classification

Technology area (CPC H)Electricity
CPC primaryH02P27/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A device for disconnecting an actuation of a power stage of an electric machine includes: a first input for detecting a safety function signal and a second input for detecting a reference potential of the safety function signal; and at least one switch-off path of the actuation, each of the at least one switch-off path including: an input coupler connected between the first input and the second input on an input side for transmitting the safety function signal from the first and second inputs; and at least one output for actuating a switch of a half bridge of the power stage, and at least one modulation logic unit for logically linking a modulation signal associated with a respective switch and the safety function signal transmitted by a respective input coupler and to output it at the output as a disconnectable modulation signal.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.