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计及非线性因素的混合供能系统协调控制

, PP. 60-69

Keywords: 双级式变流器,混合供能系统,直流母线控制,死区补偿,爬坡时间

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Abstract:

通过公共直流母线集成可再生能源发电单元和储能设备等的混合供能系统,可以有效提高分布式电源的利用率和控制灵活性。该文针对包含锂电池、超级电容器及光伏的混合供能系统,介绍了该系统的2种基本运行模式及直流母线电压控制方式,并对不同运行模式下暂态时直流母线电压冲击产生的机理进行了理论和实验分析,提出了分别采用死区补偿及稳态占空比控制信号补偿等解决措施。在基于30kVA双级式变流器的混合供能系统实验平台中验证了该文所提方法的有效性。

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