Patent ID: 11936220
Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An energy storage device, comprising:
at least two parallel-connected energy storage units, wherein
each energy storage unit comprises: a battery cluster and a power conversion system; and the battery cluster comprises at least two cells;
a direct-current side of the power conversion system is electrically connected to the battery cluster,
an alternating-current side of the power conversion system is configured to electrically connect to an input side of an alternating-current combiner cabinet,
an output side of the alternating-current combiner cabinet is configured to electrically connect to an alternating-current side of a transformer,
the power conversion system comprises a three-phase inverter bridge, a switch device, and a circuit breaker, and
an input end of the three-phase inverter bridge is electrically connected to the battery cluster, an output end of the three-phase inverter bridge is electrically connected to one end of the switch device, the other end of the switch device is electrically connected to one end of the circuit breaker, and the other end of the circuit breaker is configured to electrically connect to the input side of the alternating-current combiner cabinet.