城市轨道交通研究
摘要:
［目的］为满足城市轨道交通信号系统电源的可靠性、维修性和安全性要求，提高信号系统电源稳定性，需要结合锂电池管理，研究信号系统电源健康管理方案。［方法］介绍了信号系统电源健康管理方案的整体架构。分别介绍了信号系统电源健康管理系统与锂电池管理系统的架构、功能及功能实现，阐述了二者的联动内容。［结果及结论］信号系统电源健康管理系统能实时监测信号电源状态，评估各部分健康度，并预测告警。信号设备功率提升使得对高效备用储能的需求增加。锂电池管理系统监控电池的充放电电压及电流，以及温度，采取保护措施，并利用数学方法估算电池的剩余电量和剩余寿命。二者联动能有效提高信号系统电源的整体稳定性和安全性。
Abstracts:
［Objective］ To meet the reliability, maintainability, and safety requirements of the power supply for urban rail transit signaling system, and to enhance the stability of the signaling system power supply, it is necessary to incorporate lithium battery management in studying SPHM (signaling system power supply health management) scheme. ［Method］ With an introduction to the overall architecture of SPHM scheme, the architecture, functions, and functionality implementation of SPHM and lithium battery management systems are described respectively, and the interaction between them is elaborated. ［Result & Conclusion］ The SPHM system can monitor the real-time signaling power supply status, evaluate the health of various components, and send predictive alarms. The increase of signaling system power will lead to an increased demand for efficient backup energy storage. The lithium battery management system monitors the charging and discharging of voltage, current and temperature of the battery, implements protective measures, and estimates the SOC (state of charge) and lifespan using mathematical methods. The interaction between the two systems can effectively enhance the overall stability and safety of the signaling system power supply.
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