Battery charging and discharging circuit and control system and method

The invention discloses a battery charging and discharging circuit which is characterized in that n energy storage cells are connected in series to form a battery module, the positive electrode of the battery module is connected with the positive electrode input end of a bidirectional DC/DC converte...

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Bibliographische Detailangaben
1. Verfasser:	BAI SHIXIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	The invention discloses a battery charging and discharging circuit which is characterized in that n energy storage cells are connected in series to form a battery module, the positive electrode of the battery module is connected with the positive electrode input end of a bidirectional DC/DC converter, the negative electrode of the battery module is connected with the negative electrode input end and the negative electrode output end of the bidirectional DC/DC converter, and an ECO switching circuit is connected between the positive electrode input end and the positive electrode output end of the bidirectional DC/DC converter; a bypass switch is connected between the positive output end and the negative output end of the bidirectional DC/DC converter, and a circuit output terminal is connected to the bypass switch; in combination with the battery charging and discharging control system and method, quit can be achieved within the redundancy number range when a circuit breaks down or according to the operation r