Centralized and decentralized energy mangement system for a multi commodity smart grid

Abstract

Due to the expected growth in district heatingsystems, as well as the development of hybrid energy appliancescombining electrical and thermal energy such as heat pumps andmicro-combined heat and power installations, new opportunitiesarise for the management of thermal energy systems as well aselectrical power systems. The possibility to 'convert' forms ofenergy using these hybrid energy appliances in combination withother appliances that offer flexibility in their energy productionand consumption, can result in high energy efficiencyimprovements. In order to enable a prototype multi commoditysmart grid environment incorporating both heat and electricity,this paper presents a demand side management system forintelligent decisions across the commodities. The goal of thedemand side management system is to perform supply anddemand matching of the local resources and flexible appliances, aswell as to flatten out the net remaining supply or demand. Toaccomplish this, both a centralized and decentralized managementapproach are presented, incorporating various types of flexibleappliances as well as hybrid energy appliances. The managementapproaches are applied to a test case, where simulation resultsconfirm that the proposed approaches form a suitable solution forthe management of the multi commodity smart grid environment.

Date of Award	31 Aug 2014
Original language	English
Supervisor	Phuong H. Nguyen (Supervisor 1)