Patent ID: 11927636
Assignee: GS YUASA INTERNATIONAL LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H  Y | IPC G  H

Claim 2:
3. An energy storage apparatus comprising:
an energy storage device comprising a lithium ion secondary battery;
a breaker that interrupts a current of the energy storage device;
a management device comprising a processing unit that sends an interruption command and a recovery command to switch the breaker;
a housing that houses the energy storage device; and
an external terminal provided in the housing,
wherein the breaker is provided in a conduction path connecting the energy storage device and the external terminal,
wherein the processing unit determines whether the breaker is reusable on a basis of
a short-circuit current during a first time from a detection to an interruption of a short circuit, and
a short-circuit current during a second time from the interruption to convergence of the short-circuit current, and

wherein the processing unit sends, if the breaker is determined to be reusable, the recovery command to switch the breaker from open to close and to cause the energy storage apparatus to return to a usable state.