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船舶微网蓄电池储能系统安全充放电控制策略

, PP. 109-114

Keywords: 船舶,微电网,蓄电池储能系统,充放电,双向DC/DC,双环控制

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Abstract:

为确保船舶微网蓄电池储能系统的安全充放电，提出一种新型充放电控制策略.该控制策略结合双向DC/DC变换器，以蓄电池侧电感平均电流为内环，充电过程外环采用恒压、涓流切换控制方式，放电过程外环采用恒功率、恒压切换的控制方式.以蓄电池剩余容量和端电压状态为约束条件，充放电过程均采用三阶段切换控制模式,详细分析了该控制策略下的运行过程，并对不同模式切换控制下的蓄电池运行特性进行仿真.搭建了一台试验样机，运行结果表明，蓄电池在该控制策略下能够在安全区域高效稳定运行，并具有快速的动态响应能力.

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