ENERGY STORAGE SYSTEM AND METHOD OF DRIVING THE SAME
First Claim
1. An energy storage system, comprising:
- a battery system including at least one battery rack and at least one rack battery management system (BMS);
a direct current (DC) contactor located between the battery system and a power conversion system;
a first power supply unit configured to be electrically connected to the DC contactor;
a second power supply unit electrically connected to the rack BMS; and
a first switch electrically connected to the rack BMS,wherein the rack BMS is configured to electrically disconnect the DC contactor from the first power supply unit when the first switch is turned on.
1 Assignment
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Accused Products
Abstract
An energy storage system and method of driving the same are disclosed. In one aspect, the energy storage system comprises a battery system, a direct current (DC) contactor, first and second power supply units, and a first switch. The battery system includes at least one battery rack and at least one rack battery management system (BMS). The DC contactor is located between the battery system and a power conversion system. The first power supply unit is configured to be electrically connected to the DC contactor. The second power supply unit electrically connected to the rack BMS. The first switch is electrically connected to the rack BMS, wherein the rack BMS is configured to electrically disconnect the DC contactor from the first power supply unit when the first switch is turned on.
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Citations
20 Claims
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1. An energy storage system, comprising:
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a battery system including at least one battery rack and at least one rack battery management system (BMS); a direct current (DC) contactor located between the battery system and a power conversion system; a first power supply unit configured to be electrically connected to the DC contactor; a second power supply unit electrically connected to the rack BMS; and a first switch electrically connected to the rack BMS, wherein the rack BMS is configured to electrically disconnect the DC contactor from the first power supply unit when the first switch is turned on. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for driving an energy storage system, comprising:
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receiving an ON/OFF signal of a first switch electrically connected to a rack BMS; and controlling power supplied to a DC contactor based on the ON/OFF signal, wherein the controlling comprises; electrically disconnecting a first power supply unit from the DC contactor when the ON/OFF signal is a turn-on signal; and electrically connecting the first power supply unit to the DC contactor when the ON/OFF signal is a turn-off signal, wherein the rack BMS receives power from a second power supply unit. - View Dependent Claims (12)
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13. An energy storage system, comprising:
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a battery system including at least one battery rack and at least one rack battery management system (BMS); a direct current (DC) contactor configured to electrically connect the battery system to a power conversion system; a first switch electrically connected to the rack BMS; and a second switch configured to electrically connect a power supply unit to the DC contactor, wherein the rack BMS is configured to control the second switch. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification