Battery energy storage system and control system and applications thereof
First Claim
1. A battery system, comprising:
- a battery stack base;
a plurality of stackable battery packs stacked on top of the battery stack base;
a battery stack controller stacked on top of one of the plurality of stackable battery packs and electrically coupled to the plurality of stackable battery packs, the battery stack controller configured to communicate with the plurality of stackable battery packs; and
a battery system controller configured to transmit charging and discharging instructions including instructions to charge only selected stackable battery packs of the plurality of stackable battery packs,wherein each stackable battery pack of the plurality of stackable battery packs includes;
a plurality of battery cells;
a battery pack controller configured to monitor the plurality of battery cells and to adjust energy stored in the plurality of battery cells according to information received from the battery stack controller;
a plurality of battery pack dischargers, coupled to the battery pack controller, configured to individually discharge energy from each battery cell of the plurality of battery cells; and
a battery pack charger, coupled to the battery pack controller, configured to charge the plurality of battery cells of each stackable battery pack of the plurality of stackable battery packs.
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Abstract
Disclosed herein are embodiments of an electrical energy storage unit, a control system, and applications thereof. In an embodiment, the electrical energy storage unit (which may also be referred to as a battery energy storage system (“BESS”) includes a battery system controller and a plurality of battery packs. Each battery pack of the plurality of battery packs has a plurality of battery cells, a battery pack controller that monitors the plurality of battery cells, a battery pack cell balancer that adjusts an amount of energy stored in each battery cell of the plurality of battery cells, and a battery pack charger. The battery pack controller operates the battery pack cell balancer and the battery pack charger to control a state-of-charge of each battery cell of the plurality of battery cells. In an embodiment, the battery cells are lithium ion battery cells.
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Citations
16 Claims
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1. A battery system, comprising:
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a battery stack base; a plurality of stackable battery packs stacked on top of the battery stack base; a battery stack controller stacked on top of one of the plurality of stackable battery packs and electrically coupled to the plurality of stackable battery packs, the battery stack controller configured to communicate with the plurality of stackable battery packs; and a battery system controller configured to transmit charging and discharging instructions including instructions to charge only selected stackable battery packs of the plurality of stackable battery packs, wherein each stackable battery pack of the plurality of stackable battery packs includes; a plurality of battery cells; a battery pack controller configured to monitor the plurality of battery cells and to adjust energy stored in the plurality of battery cells according to information received from the battery stack controller; a plurality of battery pack dischargers, coupled to the battery pack controller, configured to individually discharge energy from each battery cell of the plurality of battery cells; and a battery pack charger, coupled to the battery pack controller, configured to charge the plurality of battery cells of each stackable battery pack of the plurality of stackable battery packs. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An electrical energy storage system, comprising:
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a battery stack base; a plurality of stackable battery packs stacked on top of the battery stack base; a battery stack controller stacked on top of one of the plurality of stackable battery packs and electrically coupled to the plurality of stackable battery packs, the battery stack controller configured to communicate with the plurality of stackable battery packs; and a battery system controller configured to communicate with the battery stack controller, wherein the battery system controller is further configured to transmit charging and discharging instructions including instructions to charge only selected stackable battery packs of the plurality of stackable battery packs, and wherein each stackable battery pack of the plurality of stackable battery packs includes; a plurality of battery cells; a battery pack controller configured to monitor the plurality of battery cells and to adjust energy stored in the plurality of battery cells according to information received from the battery stack controller; a plurality of battery pack dischargers, coupled to the battery pack controller, configured to individually discharge energy from each battery cell of the plurality of battery cells; and a battery pack charger, coupled to the battery pack controller, configured to charge the plurality of battery cells of each stackable battery pack of the plurality of stackable battery packs. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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Specification