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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Improved Energy Management Algorithm With Time-Share-Based Ultracapacitor Charging/Discharging for Hybrid Energy Storage System
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Improved Energy Management Algorithm With Time-Share-Based Ultracapacitor Charging/Discharging for Hybrid Energy Storage System

机译：改进的基于时间共享的超级电容器充电/放电能量管理算法

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摘要

The efficiency, durability, and health of the energy storage system components depend on controlling the power flow subjected to proper operational constraints. It is achieved by energy management algorithm (EMA). Conventional EMAs restrict the ultracapacitor (UC) operation to a reference voltage to prevent it from overcharging/undercharging. This leads to very narrow utilization of the UC voltage range. However, UC voltage can safely be varied from zero to maximum-rated voltage. Rather than employing a UC voltage control loop that operates concurrently to transient load demand, a time-share-based approach has been used for UC charging/discharging. Hence, EMA has been modified in the present work by utilizing the UC voltage band instead of a UC reference voltage, which increases its power delivery capacity by approximately two to four times. In this paper, the proposed EMA improves the transient performance of the system and reduces the UC size. An experimental prototype of the system is designed, and the proposed EMA is tested in the different operating regions for validation.
机译：能量存储系统组件的效率，耐用性和健康状况取决于在适当的操作约束下控制功率流的能力。它是通过能源管理算法（EMA）实现的。常规EMA将超级电容器（UC）的运行限制为参考电压，以防止其过度充电/充电不足。这导致UC电压范围的利用非常狭窄。但是，UC电压可以安全地从零变化到最大额定电压。与采用瞬态负载需求同时运行的UC电压控制环路不同，基于时间共享的方法已用于UC充电/放电。因此，在当前工作中，通过利用UC电压带代替UC参考电压对EMA进行了修改，这将其功率传输能力提高了大约2-4倍。在本文中，提出的EMA改善了系统的瞬态性能并减小了UC大小。设计了该系统的实验原型，并在不同的操作区域中对提出的EMA进行了测试以进行验证。

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