{Energy management and operation modelling of hybrid AC-DC microgrid}

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Title	{Energy management and operation modelling of hybrid AC-DC microgrid}
Publication Type	Journal Article
Year of Publication	2014
Authors	Baboli PT, Shahparasti M, Moghaddam MP, Haghifam MR, Mohamadian M
Journal	IET Generation, Transmission and Distribution
Volume	8
Pagination	1700–1711
Abstract	Hybrid AC-DC microgrid is introduced as the future distribution network to utilise both benefits of alternative and direct currents. In such hybrid microgrid, AC and DC loads, renewable-based distributed generators (DGs), controllable DGs and energy storage systems are connected through separate AC and DC links. An up-down operation model of such hybrid microgrid is proposed which consists of system- and device-level. In the system-level, a mixed integer linear model is suggested to balance the generation and load considering the interconnection of AC and DC subgrids for minimising total operating cost of the system in a 24-hour period. In the device-level, a controller is suggested for power converter-based resources (i.e. intergrid inverter and battery) for controlling the voltage variations in AC and DC subgrids. The effectiveness of the proposed up-down operation model is demonstrated through simulation studies on a test hybrid microgrid.
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