System-of-Systems Approach for Integrated Energy Systems Modeling and Simulation: Preprint
Today’s electricity grid is the most complex system ever built—and the future grid is likely to be even more complex because it will incorporate distributed energy resources (DERs) such as wind, solar, and various other sources of generation and energy storage. The complexity is further augmented by the possible evolution to new retail market structures that provide incentives to owners of DERs to support the grid. To understand and test new retail market structures and technologies such as DERs, demand-response equipment, and energy management systems while providing reliable electricity to all customers, an Integrated Energy System Model (IESM) is being developed at NREL. The IESM is composed of a power flow simulator (GridLAB-D), home energy management systems implemented using GAMS/Pyomo, a market layer, and hardware-in-the-loop simulation (testing appliances such as HVAC, dishwasher, etc.). The IESM is a system-of-systems (SoS) simulator wherein the constituent systems are brought together in a virtual testbed. We will describe an SoS approach for developing a distributed simulation environment. We will elaborate on the methodology and the control mechanisms used in the co-simulation illustrated by a case study.
- Publication Date:
- OSTI Identifier:
- Report Number(s):
- Resource Type:
- Resource Relation:
- Conference: Society for Modeling & Simulation International Summer Simulation Multi-Conference, 26-29 July 2015, Chicago, Illinois
- Research Org:
- NREL (National Renewable Energy Laboratory (NREL), Golden, CO (United States))
- Sponsoring Org:
- NREL’s Laboratory Directed Research and Development Program
- Country of Publication:
- United States
- 97 MATHEMATICS AND COMPUTING Co-simulation; GridLAB-D; optimization; system-of-systems; DEVS; integrated energy systems
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