SMART BATTERY MODULES FOR RACK SYSTEMS

In one aspect, a removable battery module for a rack system that includes at least one rack controller is provided. The removable battery module includes at least one battery, a communication interface configured to communicatively couple with the at least one rack controller, and a module controlle...

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Bibliographische Detailangaben
Hauptverfasser:	He, Minglong, Williams, Michael C, Dam, Viesna, Davis, Roy J
Format:	Patent
Sprache:	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:	In one aspect, a removable battery module for a rack system that includes at least one rack controller is provided. The removable battery module includes at least one battery, a communication interface configured to communicatively couple with the at least one rack controller, and a module controller. The module controller is configured to estimate a state of charge (SOC) of the at least one battery at startup, determine whether at least one trigger has occurred, and start a float timer in response to determining that the at least one trigger has occurred. The module controller is further configured to generate a current estimate for the SOC by increasing the estimated SOC over a remaining time of the float timer based on a float current, and report, via the communication interface, the current estimate for the SOC to the at least one rack controller.