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Marroyo Palomo, Luis

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https://academica-e.unavarra.es/handle/2454/49511

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Marroyo Palomo

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Luis

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IngenierĆ­a ElĆ©ctrica, ElectrĆ³nica y de ComunicaciĆ³n

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ISC. Institute of Smart Cities

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0000-0002-8344-8374

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495

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2015 - 201922020 - 20211
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Subject: Energy management Ɨ Subject: Microgrids Ɨ Item Type: Publication Ɨ

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Now showing 1 - 3 of 3
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    PublicationOpen Access
    State-of-charge-based droop control for stand-alone AC supply systems with distributed energy storage
    (Elsevier, 2015) Urtasun Erburu, Andoni; Sanchis GĆŗrpide, Pablo; Marroyo Palomo, Luis; IngenierĆ­a ElĆ©ctrica y ElectrĆ³nica; Ingeniaritza Elektrikoa eta Elektronikoa; Universidad PĆŗblica de Navarra / Nafarroako Unibertsitate Publikoa
    The droop method is an advantageous technique for stand-alone AC supply systems, allowing for power sharing among various inverters with no need for communication cables. However, in stand-alone systems with multiple distributed energy storage units, the conventional droop methods are unable to control the storage unit state-of-charge (SOC) in order to change simultaneously. Existing techniques endeavor to solve this problem by changing the slope of the P ā€“ f curve however this solution compromises the power response performance. As an alternative, this paper proposes a new SOC-based droop control, whereby the P ā€“ f curve is shifted either upwards or downwards according to the battery SOC. The proposed technique makes it possible to select the time constant for the battery SOC convergence and, at the same time, to optimize the power response performance. The paper also shows how the SOC changes when the ratios between the battery capacity and the inverter rated power are different and how the proposed technique can limit the SOC imbalance. Simulation and experimental results corroborate the theoretical analysis.
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    PublicationOpen Access
    Fuzzy-based energy management of a residential electro-thermal microgrid based on power forecasting
    (IEEE, 2018) Arcos AvilĆ©s, Diego; Gordillo, Rodolfo; Guinjoan Gispert, Francesc; Sanchis GĆŗrpide, Pablo; Pascual Miqueleiz, Julio MarĆ­a; Marietta, Martin P.; Marroyo Palomo, Luis; Ibarra, Alexander; IngenierĆ­a ElĆ©ctrica, ElectrĆ³nica y de ComunicaciĆ³n; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    In this paper, an energy management strategy based on microgrid power forecasting is applied to a residential grid-connected electro-thermal microgrid with the aim of smoothing the power profile exchanged with the grid. The microgrid architecture under study considers electrical and thermal renewable generation, energy storage system (ESS), and loads. The proposed strategy manages the energy stored in the ESS to cover part of the energy required by the thermal generation system for supplying domestic hot water to the residence. The simulation results using real data and the comparison with previous strategy have demonstrated the effectiveness of the proposed strategy.
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    PublicationOpen Access
    Energy management for an electro-thermal renewable based residential microgrid with energy balance forecasting and demand side management
    (Elsevier, 2021) Pascual Miqueleiz, Julio MarĆ­a; Arcos AvilĆ©s, Diego; UrsĆŗa Rubio, Alfredo; Sanchis GĆŗrpide, Pablo; Marroyo Palomo, Luis; IngenierĆ­a ElĆ©ctrica, ElectrĆ³nica y de ComunicaciĆ³n; Institute of Smart Cities - ISC; Ingeniaritza Elektrikoa, Elektronikoaren eta Telekomunikazio Ingeniaritzaren
    This paper proposes an energy management strategy for a residential microgrid comprising photovoltaic (PV) panels, a small wind turbine and solar thermal collectors. The microgrid can control the power exchanged with the grid thanks to a battery and a controllable electric water heater, which provide two degrees of freedom to the control strategy. As input data, the proposed control strategy uses the battery state of charge (SOC), the temperature of the hot water tank, the power of each microgrid element as well as the demand and renewable generation forecasts. By using forecasted data and by controlling the electric water heater, the strategy is able to achieve a better grid power profile while using a smaller battery than previous works, hence reducing the overall cost of the system. The strategy is tested by means of simulation with real data for one year and it is also experimentally validated in the microgrid built at the Renewable Energy Laboratory at the UPNA.