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Battery Management System (BMS) specification
Battery Management System (BMS) is a key part of the battery system, responsible for monitoring and managing the working status of the battery pack to ensure that the battery is operating under safe and reliable conditions. With the rapid development of battery technology, especially in the field of lithium batteries and electric vehicles (EV), the specification of BMS plays an important role in ensuring battery safety, extending battery life, and improving system performance.
Battery Management System (BMS) specification
The regulatory requirements of the battery management system (BMS) are not only related to the performance and life of the battery, but also directly affect the safety of the battery, especially in high-capacity, high-power applications (such as electric vehicles and energy storage systems). By developing strict BMS specifications, the industry can ensure the reliability of the battery management system, ensure the stability and safety of the battery during use, and prevent the occurrence of battery overheating, explosion, fire and other accidents. At the same time, the standardized BMS can improve the energy efficiency of the battery system, extend the service life of the battery, and provide users with more reliable and economical battery solutions. With the continuous development of battery technology, the standardization of BMS will become the key to ensure the sustainable and healthy development of the industry.
Main specification
Functional requirements
BMS needs to monitor the voltage, current, temperature and charging status of the battery in real time to ensure that the battery is within the safe working range.
It should have the function of over-charge and over-discharge protection, and can achieve balanced battery management and extend battery life.
Temperature management prevents battery performance degradation due to overheat or undercold.
The BMS needs to be able to detect faults and alarm to ensure that the battery is handled in a timely manner in the event of an anomaly.
Security requirements
BMS must have safety functions such as over-temperature, short circuit, over-charge and over-discharge protection to prevent battery safety accidents, such as fire and explosion.
It is necessary to ensure that the battery system is safe and can work effectively under a variety of harsh conditions.
Performance requirements
BMS need to optimize the charge and discharge process to ensure that the battery is operating at its best and improve energy efficiency.
It also manages battery health, predicts battery life and provides recommendations for maintenance or replacement.
Control the current and voltage during the charging process to avoid overcharging or overdischarging the battery and extend the service life.
Communication protocol
BMS typically use communication protocols such as CAN, Modbus, or I2C to ensure compatibility with external devices or the main control system to monitor and manage battery status in real time.
Compatibility and standardization requirements
The BMS must comply with international standards (such as ISO 26262, ISO 9001) to ensure the reliability of the battery system in various applications.
It must be able to adapt to different types of batteries (such as lithium batteries, lead-acid batteries, etc.) to ensure compatibility and adaptation.
Modular design
The modular design improves the applicability and maintainability of the BMS, making it easy to customize and upgrade battery systems of different sizes and applications.
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