DIFFERENTIAL CURRENT MONITORING DEVICE WITH ARC DETECTION

The invention relates to a differential current monitoring device for monitoring differential currents in power supply systems, having a first measuring current transformer and having a measuring circuit for determining the differential current and having a computing unit for evaluating the differen...

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Bibliographic Details
Main Authors MÖLL, Winfried, SELLNER, Harald, STROBL, Christian, WEBER, Waldemar, ZEBERL, Jürgen, HÄUSLEIN, Bernd, DECKER, Timm, WIERSCH, Markus, SCHÄFER, Oliver, KAMMER, Michael
Format Patent
LanguageEnglish
French
German
Published 01.07.2020
Subjects
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC SWITCHES
ELECTRICITY
EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
EMERGENCY PROTECTIVE DEVICES
GENERATION
GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES
RELAYS
SELECTORS
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Summary:The invention relates to a differential current monitoring device for monitoring differential currents in power supply systems, having a first measuring current transformer and having a measuring circuit for determining the differential current and having a computing unit for evaluating the differential current and for generating a switch-off signal. The differential current monitoring device has a device for detecting arcs, the integration of which according to the invention can considerably reduce the technical effort needed to monitor the differential current in connection with the arc detection in comparison to a functionally and spatially separate arrangement of both protective measures.
Bibliography:Application Number: EP20130780079