The invention relates to a safety device (8) for a DC grid (1), comprising a voltage measuring device (SV1) between a potential line (HV+L, HV-L) and a reference potential line (ML), and a protective circuit (9) for reducing an electric shock caused by Y capacitors (CyF+, CyF-, CyL+, CyL-) of the electric DC grid (1), wherein the protective circuit (9) comprises a circuit breaker (SS1, SS2) between the respective potential line (HV+L, HV-L) and the reference potential line (ML), wherein a plurality of tripping criteria are predefined and the first circuit breaker (SS1) and/or the second circuit breaker (SS2) can be actuated so as to close exclusively in the event of all predefined tripping criteria being met as determined by means of the first voltage measuring device (SV1) and/or by means of the second voltage measuring device (SV2).
SCHUTZVORRICHTUNG FÜR EIN ELEKTRISCHES GLEICHSTROMNETZ, BORDNETZ FÜR EIN FAHRZEUG, FAHRZEUG UND GLEICHSTROMLADESTATION
SAFETY DEVICE FOR AN ELECTRIC DC GRID, ON-BOARD ELECTRICAL SYSTEM FOR A VEHICLE, VEHICLE, AND DC CHARGING STATION
DISPOSITIF DE SÉCURITÉ POUR UN RÉSEAU ÉLECTRIQUE À COURANT CONTINU, SYSTÈME ÉLECTRIQUE EMBARQUÉ POUR UN VÉHICULE, VÉHICULE ET BORNE DE RECHARGE À COURANT CONTINU
2024-06-05
Patent
Elektronische Ressource
Deutsch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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