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This study presents a control structure, based on model predictive control, applied to energy management optimisation in a sugar cane processing plant including renewable sources. The proposed energy plant is set upon a sugar cane processing industry and has to produce and maintain an amount of electric power throughout the year, defined by contract. This plant is, also, bound to produce flows of...
Combined heat and power system (CHP) with renewable energy generation, which operates with high efficiency and low costs, is an important form of microgrid. This paper deals with the problem of economic operation of cogeneration system including wind energy, PV, heat recovery boiler and battery. On the basis of predicting the next 24-hours' wind energy and PV power, power and heat demand, a nonlinear...
The following topics are dealt with: cogeneration; fuel saving; renewable energy sources modelling; tidal energy; biomasses; biofuels; fuel cell based energy systems; photovoltaic systems; power quality; environmental aspect; renewable energy grid integration; renewable energy availability; grid maintenance; grid reliability; distributed generation; grid control strategy; energy storage systems technology;...
The integration of renewable energy sources (RES) into the electric energy system has become an important challenge for the utilization and control of electric power systems, because of the fluctuating and intermittent behaviour of wind and solar power generation. The reliable operation of future energy supply structures with high share of distributed generation and renewable energy sources is an...
The use of distributed generating systems based on renewable energy sources has experienced a significant development in the last years. This paper focuses its attention on those based on photovoltaic systems. The intrinsic intermittent nature of this kind of renewable source implies the use of storage to accommodate fluctuations. The present paper proposes an hybrid solution in which photovoltaic...
The Japanese government has set targets for increasing the contribution from renewable energy sources, such as wind power and photovoltaic (PV) generation. The fluctuating power of renewable energy sources, however, might degrade power quality such as voltage and frequency. To increase renewable energy near the demand side, a microgrid that utilizes controllable prime movers such as gas engines to...
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