Abstract
The aim to reduce carbon dioxide emissions and to improve buildings energy efficiency has led to develop smart grids to manage electricity and heat. The work deals with the thermal and electric microgrid analysis of the Loccioni Company: the production facility consists of high-energy performance industrial and office buildings, partially powered by produced on-site renewable energy (solar PV, hydropower plants, water ground heat pumps). The challenge of continuous improvement in the use of energy led the company to develop a thermal microgrid for optimal management of the heat produced by a small-scale CHP system (50 kWel/110 kWth). The cogeneration system is based on biomass (pellet) chemical degradation process of gasification. The work discusses preliminary results relating to the first months of the system operation, to highlight the energy benefits and the critical issues. Data are collected by the Company monitoring system and a laboratory feedstock physico-chemical characterization is carried out. The main goal of this paper is to lay the foundations for the development of an energy management system that regulates energy flows between buildings. The development of the thermal microgrid will guarantee not only tangible benefits in terms of energy savings but also an increase in the resilience of the entire building/plant system.
Highlights
To stop climate change, the European Union (EU) is committed to cut greenhouse gas emissions significantly
In the first two months of operation (November and December), it was necessary to calibrate all the parameters of the system and the thermal microgrid. These operations were essential to understanding all the peculiarities that a plant of this small size has
Before the Christmas holiday, the whole system was turned off, due to the lower energy demand of the company; and it was restarted on January 14th
Summary
The European Union (EU) is committed to cut greenhouse gas emissions significantly. Climate-proofed buildings are needed – on a massive scale - to meet the targets set out for 2020, 2030, and achieve a climate-neutral Europe by 2050. To reach this ambitious objective, a shift in energy consumption towards low carbon, locally produced energy and Renewable Energy Sources (RES) is needed [2]. Such target could be achieved using smart grids. In the energy management procedures field, the optimal scheduling of smart grid operation is an attractive issue [4]
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