Battery Cluster Control Integration to Cut Redundant Circuits
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Solution Overview
Problem
The existing battery energy storage systems suffer from excessive repetitive design in switch gear and converter equipment, leading to a large number of components, low system integration, and high costs.
Innovation Solution
A battery cluster management device integrates multiple functional circuits and control units, including a networking circuit and an integrated controller, to improve integration and reduce costs by eliminating redundant voltage and current detection circuits and soft start circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple independent control units and functional circuits are used in switch gear and converter equipment, then each component can perform its specific function reliably, but the system integration level decreases and the number of components increases
Solution Approach 1:
The patent merges the control unit of the switch gear with the control unit of the converter equipment into a single integrated controller. This integrated controller is configured to control both the switch gear and the converter equipment, thereby reducing the total number of control units while maintaining the functional reliability of both components. The merging eliminates redundant control functions and achieves higher system integration without sacrificing component reliability.
2Reliability
If multiple independent control units and functional circuits are used in switch gear and converter equipment, then each component can perform its specific function reliably, but the number of components increases and cost increases
Solution Approach 1:
The patent merges the control unit of the switch gear with the control unit of the converter equipment into a single integrated controller. This integrated controller is configured to control both the switch gear and the converter equipment, thereby reducing the total number of control units while maintaining the functional reliability of both components. The merging eliminates redundant control functions and achieves higher system integration without sacrificing component reliability.
3Reliability
If multiple independent control units are used in switch gear and converter equipment, then each component can perform its specific function reliably, but communication time increases and response speed decreases
Solution Approach 1:
The patent merges the control unit of the switch gear with the control unit of the converter equipment into a single integrated controller. This integrated controller is configured to control both the switch gear and the converter equipment, thereby reducing the total number of control units while maintaining the functional reliability of both components. The merging eliminates redundant control functions and achieves higher system integration without sacrificing component reliability.
Data Source
AI summary
A battery cluster management device and a battery energy storage system are provided. The battery cluster management device includes a networking circuit and an integrated controller, a connecting circuit of the networking circuit and a power conversion circuit connected in series, the integrated controller is respectively connected to the connecting circuit, the power conversion circuit, and a BMU in a battery cluster, and the integrated controller is configured to: perform a preset battery management process according to preset electrical information fed back by the connecting circuit and the BMU, and control the power conversion circuit to perform a preset current conversion process. In the present disclosure, the connecting circuit and the power conversion circuit are integrated, thus repeated voltage and current detection circuits and corresponding soft start circuits are unnecessary, the integration level of the battery cluster management device is improved effectively, and the overall cost is reduced.