Battery Container Control Layout for Stable ESS Communication
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Solution Overview
Problem
Conventional energy storage systems require individual control of independent container units, leading to inefficiencies and challenges in communication stability and scalability.
Innovation Solution
An energy storage system with a control container, battery container, and watering container, utilizing multiple interconnected communication lines (home run and daisy chain configurations) to facilitate stable communication and easy expansion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If energy storage systems are configured in independent container units, then each system can operate autonomously, but communication stability and control efficiency deteriorate when multiple systems are deployed
Solution Approach 1:
Multiple energy storage container units are merged into a single integrated system through a unified control container. The control container houses a master controller that communicates with slave controllers in each battery container, consolidating control functions and improving communication stability while reducing overall system complexity.
Solution Approach 2:
The control container is segmented into specialized functional modules including a master controller for coordination, battery management systems (BBMS and RBMS) for monitoring, and a watering container for safety. This segmentation allows each component to perform its function efficiently while maintaining overall system integration.
2Quantity of substance
If multiple battery containers are deployed to increase storage capacity, then energy storage capability improves, but individual control and monitoring becomes more difficult
Solution Approach 1:
The master controller acts as an intermediary between the central control system and multiple slave controllers in different battery containers. It receives commands from the battery system controller and distributes them to appropriate slave controllers, simplifying the control process while managing multiple containers efficiently.
Solution Approach 2:
The control container is designed as a universal control unit that can manage multiple battery containers through standardized communication protocols. The master controller and battery management systems can handle various container configurations, making the system scalable and easy to operate regardless of the number of battery containers deployed.
Data Source
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AI summary
An energy storage system according to an embodiment of the present disclosure includes a control container configured to include a battery system controller (BSC), a master controller configured to be connected to the BSC through a first communication line, and a bank battery management system (BBMS) configured to be connected to the BSC through a second communication line; and a battery container configured to include a slave controller configured to be connected to the master controller through the first communication line, and a rack battery management system (RBMS) connected to the BBMS through the second communication line and configured to monitor a state of a corresponding battery rack.