The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 2025
Filed:
Sep. 28, 2021
Fronius International Gmbh, Pettenbach, AT;
Florian Guschlbauer, Pettenbach, AT;
Dominik Pfaffenbichler, Pettenbach, AT;
Michael Koren, Pettenbach, AT;
Fronius International GmbH, Pettenbach, AT;
Abstract
A photovoltaic system () includes an inverter unit () adapted to convert an electrical direct current (DC) power generated by photovoltaic modules () into an electrical alternating current (AC) power supplied via AC lines (), and a smart meter () connected to a power supply grid PSG (). The system further include an emergency unit () having a controller (A) adapted: a) to open an emergency switch () to automatically disconnect the photovoltaic system () from the power supply grid PSG () if a power supply grid failure is detected; and b) to notify a current switching state of the emergency switch () by means of power line communication (PLC) communication via the AC lines () to a controller of the inverter unit ().