Battery high-voltage system and electric equipment

The utility model relates to the field of vehicles, in particular to a battery high-voltage system and electric equipment. The battery high-voltage system comprises a high-voltage battery pack, the high-voltage battery pack comprises a first battery pack, a voltage division contactor and a second ba...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHI QIAN, LIU JINGJIE, RAO FANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The utility model relates to the field of vehicles, in particular to a battery high-voltage system and electric equipment. The battery high-voltage system comprises a high-voltage battery pack, the high-voltage battery pack comprises a first battery pack, a voltage division contactor and a second battery pack which are sequentially connected in series, the positive electrode of the first battery pack is the positive electrode of the high-voltage battery pack, the negative electrode of the second battery pack is the negative electrode of the high-voltage battery pack, and the voltage provided by the second battery pack is not larger than a voltage threshold value; the positive electrode of the high-voltage battery pack is connected with the first end of the load through the main positive contactor; the cathode of the high-voltage battery pack is connected with the second end of the load, and no main negative contactor is arranged between the cathode of the high-voltage battery pack and the load; and the BMS ba