European energetic policy aims to complete the liberalization market process and to improve a rational use of energy promoting strongly 'Nearly Zero-Energy Buildings' NZEB and the use of high efficient cogeneration CHP also for residential/ office/commercial buildings. NZEB means a building that has a very high energy performance, and the very low amount of energy required should be covered to a very significant extent by energy from renewable sources, including CHP. Renewable power and CHP systems can be sized and managed more efficiently for loads of tens of kVA, more than an individual consumer. So, it is necessary for small and medium consumers, to aggregate their load profile in order to reach a threshold value of some ten of kW and a more demand flexibility like the Heating System where a unique boiler supply more efficently the building. The actual regulatory rules don't permit the aggregation of consumers in an unique Point of Delivery POD. The power system of the future appears like a public network of several "active energetic hub" collecting each one several kind of renewable and CHP electric energy and supplying several kind of consumers. The proposed approach allows both energetic/economic and electrical/safety/quality goals: - to enjoy the full benefits of the energy market; - to install renewable energy power plants as PV or CHP systems; - to pursuit an intelligent energy management; - to organize an effectiveness Smart Metering System; - to satisfy general requirements as large HVAC, recharging service of electric car batteries, etc.; - adoption of safer grounding solutions for urban area (like IEC TN-systems); - higher power quality with lower interferences by other consumers; - to organize common emergency system (UPS and engine generator sets EGS) and other equipments to improve the power quality; The paper presents a real case study of a microgrid arranged for a complex of two buildings in Campobasso (Italy) to overcome the regulatory barrier mentioned.
Scheda prodotto non validato
Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo
|Titolo:||An example of a commercial/residential common microgrid integrating cogeneration and electrical local users|
|Data di pubblicazione:||2011|
|Appartiene alla tipologia:||04b Atto di convegno in volume|