A switching arrangement for reducing contactor wear of an energy storage system having a plurality of battery packs arranged in parallel for powering a load. The switching arrangement includes a contactor for each battery pack. The contactors connect and disconnect the battery packs relative to the load by closing and opening, respectively, an electric arc reducing circuitry associated to one of the contactors. The switching arrangement is configured to electrically disconnect the battery packs from the load by means of the contactors such that the contactor being associated with the electric arc reducing circuitry is opened last.
Contactor for battery packs
2024-03-26
Patent
Electronic Resource
English
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01H Elektrische Schalter , ELECTRIC SWITCHES / 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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