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首页> 外文期刊>EPE Journal: European Power Electronics and Drives >Adaptive Control of Hybrid Battery Energy Storage Systems under Capacity Fade
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Adaptive Control of Hybrid Battery Energy Storage Systems under Capacity Fade

机译：容量褪色下混合电池储能系统的自适应控制

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摘要

There is an emerging call for applications in energy storage systems which use a mixture of batteries. These hybrid battery solutions may contain different battery types for example; using second life ex-transportation batteries in grid support applications or a combination of high power, low energy and low power, high energy batteries to meet multiple energy requirements or even the same battery types but under different states of health for example, being able to hot swap out a battery when it has failed in an application without changing all the batteries and ending up with batteries with different performances, capacities and impedances. These types of applications typically use multi-modular converters to allow hot swapping to take place without affecting the overall performance of the system. A key element of the control is how the different battery performance characteristics may be taken into account and the how the power is then shared among the different batteries in line with their performance. This paper proposes a novel control strategy which allows the power in the batteries to be effectively distributed even under varying parameter conditions such as, capacity fade conditions using adaptive power sharing strategy. The proposed strategy has been experimentally validated against a system of three different battery types connected to a grid connected multi-modular converter both with and without capacity fade mechanisms in place.
机译：在使用电池混合的能量存储系统中存在新出现的呼叫。例如，这些混合电池溶液可以包含不同的电池类型;在网格支架应用中使用第二寿命进行电池或高功率，低能量和低功耗，高能量电池的组合，以满足多种能量需求甚至相同的电池类型，而是在不同的健康状态下，例如，能够在应用中失效时，热插拔电池，而不会更换所有电池并以不同的性能，容量和阻抗结束电池。这些类型的应用通常使用多模块化转换器来允许热交换来进行，而不会影响系统的整体性能。控制的一个关键元素是如何考虑不同的电池性能特征，并且在不同的电池中如何与其性能相同之间的电力。本文提出了一种新颖的控制策略，其允许电池中的电力甚至在不同参数条件下有效地分布，诸如使用自适应电力共享策略的容量淡出条件。该拟议的策略已经通过实验验证，该系统针对连接到网格连接的多模块化转换器的三种不同电池类型的系统，无论是容量褪色机制。

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