Mas Roig mini-grid: A renewable-energy-based rural islanded microgrid

Salas, Pep; Guerrero, Josep M.; Sureda, Francesc X.

doi:10.1109/energycon.2014.6850544

Cited by 7 publications

(3 citation statements)

References 22 publications

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“…Specific activities were developed in [20] to ensure stable power supply of RES microgrids in rural areas. The importance of system resiliency and energy security was suitably addressed in [21], via the development of a remote ZigBee-communications-based energy management tool. Dynamic stability operation was addressed once again by Luo et al [6], this time including rSOC into a highly integrated renewable-based hybrid energy generator.…”

Section: Introductionmentioning

confidence: 99%

Self-Sufficient and Islanded-Oriented Design of a Reversible Solid Oxide Cell-Based Renewable Microgrid

2019

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This article presents the development of a constrained optimization algorithm, whose scope is to support the preliminary design of a renewable microgrid, integrating solar panels and wind turbines with reversible solid oxide cells. The motivations behind this research activity lie in the increasing interest in renewable-based production and on-site storage of hydrogen, and its aim is to help this energy vector spread worldwide and in as many industrial and residential sectors as possible within a reasonably short timeframe. To this end, suitable models were developed by referring to the most relevant literature and by introducing some specific simplifying assumptions. Such an approach allowed the setting-up of a multi-variable constrained optimization task, whose outcomes correspond to the most techno-economic effective plant configuration with respect to assigned design criteria. The optimum solution was particularly sought via the generalized reduced gradient method, aimed at determining renewable plants sizes under the constraint that the final stored hydrogen level is brought back to the initial value after one year. The results highlight that an interesting payback time of about 10 years can be attained, while guaranteeing that the optimal configuration holds promising resiliency and islanded-use capabilities (such as almost weekly self-sufficiency) via smart over-the-year charge-sustaining management of the designed hydrogen storage tank. In this way, it was possible to simultaneously address, via the specific optimization problem formulation, the interconnected needs of optimally designing system components in terms of installed power, and the proper management of the reversible solid oxide cell unit.

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Section: Introductionmentioning

confidence: 99%

Self-Sufficient and Islanded-Oriented Design of a Reversible Solid Oxide Cell-Based Renewable Microgrid

2019

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“…Lately, along with the increase interest in smaller appliances monitoring, there has also been more research on the direct current (dc) mini and nano-grid [7,8]. The scaled down version of micro-grid, which focus on dc instead of ac, [9][10][11] can operate independently on renewable power sources such as photovoltaic (PV) system or from energy storage such as the lead-acid battery banks [12].…”

Section: Introductionmentioning

confidence: 99%

Smart Sensing of Loads in an Extra Low Voltage DC Pico-Grid Using Machine Learning Techniques

2017

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Aiming at the rising number of dc appliances and the growing interest in their monitoring systems, this paper describes the injection of intelligence into dc pico-grids that are made up of "dumb" appliances and loads. Due to reality of economic, dc appliances and loads are usually low in cost and lack intelligence and communication features for effective monitoring and management. This paper proposes a smart sensor design for dc pico-grid with the use of a single sensor multiple loads and states detection in monitoring the "dumb" appliances. This eliminates the need to have intelligence and communication features for every appliance. With the smart sensor, several such smart dc pico-grids can be bundled into bigger scale of smart nano-grid or micro-grid. In addition to knowing how much energy or power the pico-grid is using; the smart sensor also provides load disaggregation and state-change detection. The states of the loads can be learnt and detected via the signatures and features obtained from the transient state or the steady state of the entire grid's current waveform. Computational intelligence techniques, k-Nearest Neighbours, K-Means clustering and other algorithms are used in the system for loads classification and state-change detection. Working together with the software in the smart sensor are hardware implementation of low cost operational amplifiers and logic gates; these hardware help to share the burden on the controller and release resources for the controller to perform more advanced processes. Experimental results are presented to demonstrate the operation of the smart sensor in dc pico-grid.

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“…In order to monitor real-time measurements such as voltage, current, and power of each module, a graphical user interface was developed using LabView. A real microgrid project in Girona, Spain was presented by Salas et al in [11]. The project was configured as a standalone system consisting of PV panels, a small WT, energy storage system (batteries), and micro combined heat and power.…”

Section: Introductionmentioning

confidence: 99%

Communication Network Architectures for Smart-House with Renewable Energy Resources

2015

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Abstract:With the microgrid revolution, each house will have the ability to meet its own energy needs locally from renewable energy sources such as solar or wind. However, real-time data gathering, energy management and control of renewable energy systems will depend mainly on the performance of the communications infrastructure. This paper describes the design of a communication network architecture using both wired and wireless technologies for monitoring and controlling distributed energy systems involving small-scale wind turbines and photovoltaic systems. The proposed communication architecture consists of three layers: device layer, network layer, and application layer. Two scenarios are considered: a smart-house and a smart-building. Various types of sensor nodes and measurement devices are defined to monitor the condition of the renewable energy systems based on the international electrotechnical commission standard. The OPNET Modeler is used for performance evaluation in terms of end-to-end (ETE) delay. The network performance is compared in view of ETE delay, reliability and implementation cost for three different technologies: Ethernet-based, WiFi-based, and ZigBee-based. OPEN ACCESSEnergies 2015, 8 8717

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Mas Roig mini-grid: A renewable-energy-based rural islanded microgrid

Cited by 7 publications

References 22 publications

Self-Sufficient and Islanded-Oriented Design of a Reversible Solid Oxide Cell-Based Renewable Microgrid

Self-Sufficient and Islanded-Oriented Design of a Reversible Solid Oxide Cell-Based Renewable Microgrid

Smart Sensing of Loads in an Extra Low Voltage DC Pico-Grid Using Machine Learning Techniques

Communication Network Architectures for Smart-House with Renewable Energy Resources

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