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Energy Management System with Stability Constraints for Stand-alone Autonomous Microgrid

机译:具有独立自主微电网的稳定性约束的能源管理系统

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This paper presents an Energy Management System (EMS) for a stand-alone droop-controlled microgrid, which adjusts generator outputs to minimize fuel consumption and also ensures stable operation. It has previously been shown that droop gains have a significant effect on stability in such microgrids. Approximate relationships between these parameters and stability margins are therefore identified, using qualitative analysis and small-signal techniques. This allows them to be selected to ensure stability. Optimized generator outputs are then implemented in real-time by the EMS, through adjustments to droop characteristics within this constraint. Experimental results from a laboratory-sized microgrid confirm the EMS function.
机译:本文介绍了一个能源管理系统(EMS),适用于独立的下垂控制的微电网,调整发电机输出以最大限度地减少燃料消耗,并确保稳定运行。先前已经表明,下垂增益对这种微电网中的稳定性产生了显着影响。因此,使用定性分析和小信号技术来识别这些参数和稳定性边距之间的近似关系。这允许它们被选择以确保稳定性。然后,EMS实时地实现优化的发电机输出,通过调整在该约束中的下垂特性进行调整。实验室大小的微电网的实验结果证实了EMS功能。

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