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首页> 外文期刊>Renewable Power Generation, IET >Decentralised coordination control strategy of the PV generator, storage battery and hydrogen production unit in islanded AC microgrid
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Decentralised coordination control strategy of the PV generator, storage battery and hydrogen production unit in islanded AC microgrid

机译：岛式AC微电网中PV发电机，蓄电池和氢生产装置​​的分散协调控制策略

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摘要

The fluctuation and intermittence of the distributed renewable energy sources (RESs) limit the connection to the main grid and cause large-scale power curtailment. This issue can be addressed by the application of a hydrogen production unit (HPU), which is compatible with the disadvantages of RESs and can achieve large-capacity and long-term absorption of the electric energy. A decentralised coordination control strategy among the generation, storage and HPU are proposed in the photovoltaic (PV) dominated islanded AC microgrid. Firstly, the energy conversion efficiency from electric energy to hydrogen energy of HPU is derived, based on which the efficiency adaptive control is proposed to regulate its power consumption by adjusting the efficiency reference according to the bus frequency. Secondly, the state of charge and the instantaneous power of the storage are considered in the control strategy, which can avoid the storage being overused or damaged. Thirdly, the control strategy of the PV generator is designed to adaptively regulate its output power from maximum power point tracking mode to the reference power point mode seamlessly. Finally, the stability of the whole control strategy is analysed and the control effectiveness is verified based on the RTLAB experiment platform.
机译：分布式可再生能源（RESS）的波动和间断限制了与主电网的连接并导致大规模的电源缩减。该问题可以通过应用氢生产单元（HPU）来解决，该氢生产单位（HPU）与RES的缺点兼容，并且可以实现电能的大容量和长期吸收。在光伏（PV）主导的岛立的AC微电网中提出了一代，储存和HPU中的分散的协调控制策略。首先，推导出来自HPU的电能到HPU氢能量的能量转换效率，基于该电能，基于该效率自适应控制来通过根据总线频率调整效率参考来调节其功耗。其次，在控制策略中考虑了储存的充电状态和瞬时动力，可以避免存储过度使用或损坏。第三，光伏发生器的控制策略被设计为无缝地将其输出功率自适应地调节到从最大功率点跟踪模式到参考功率点模式。最后，分析了整个控制策略的稳定性，基于RTLAB实验平台验证了控制效果。

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