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首页> 外文期刊>Power Electronics, IET >Frequency-based power management for photovoltaic/battery/fuel cell-electrolyser stand-alone microgrid
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Frequency-based power management for photovoltaic/battery/fuel cell-electrolyser stand-alone microgrid

机译：光伏/电池/燃料电池-电解器独立微电网的基于频率的电源管理

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摘要

Since that setting frequency signal as an agent can provide the distributed generations (DGs) with the opportunities to adaptively maintain supply and demand balance, a new energy management strategy with modified droop control for islanded microgrid containing photovoltaic (PV)/battery/fuel cell (FC)-eletrolyser is proposed in this study. Without the communication line or central supervisor, the three power sources operate in the mode that the PV units track and offer the maximum power in order to make full use of energy, the battery units regulate charging or discharging power based on the state of charge (SOC) and loads to guarantee balanced SOC, and the FC-eletrolyser unit working as the system backup supplies the deficient system energy or absorbs the redundant system energy for safe and stable operation. This strategy does not only enable the plug and play capability for the DGs with voltage control mode, but also make it possible to maintain autonomous energy optimising operation. Simulation and experimental results are given to verify the effectiveness and advantages of the proposed strategy.
机译：由于将频率信号设置为代理可以为分布式发电（DG）提供适应性地维持供需平衡的机会，因此，针对包含光伏（PV）/电池/燃料电池的孤岛微电网，采用改进的下垂控制的新能源管理策略（在这项研究中提出了FC）-电解槽。在没有通信线路或中央管理器的情况下，这三个电源以光伏单元跟踪并提供最大功率以充分利用能量的模式运行，电池单元根据充电状态来调节充电或放电功率（ SOC）和负载以确保SOC平衡，而充当系统备用设备的FC电解器单元可提供不足的系统能量或吸收多余的系统能量，以确保安全稳定地运行。这种策略不仅可以使电压控制模式的DG具有即插即用功能，而且还可以维持自主的能源优化运行。仿真和实验结果证明了所提策略的有效性和优势。

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