Conference article

Hierarchical Multi-Level Electric Power System Simulation with Smart Photovoltaic Systems using the Functional Mock-up Interface on the Lawrencium Computing Cluster

Christoph Gehbauer
Lawrence Berkeley National Laboratory, Berkeley, CA, USA

Joscha Müller
Lawrence Berkeley National Laboratory, Berkeley, CA, USA

Download articlehttps://doi.org/10.3384/ecp20169120

Published in: Proceedings of the American Modelica Conference 2020, Boulder, Colorado, USA, March 23-25, 2020

Linköping Electronic Conference Proceedings 169:13, s. 120-129

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Published: 2020-11-03

ISBN: 978-91-7929-900-2

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

The adoption of distributed photovoltaics (PV) with smart inverters was one of the first large-scale deployment of grid-interactive, customer owned assets. This paper introduces a co-simulation platform for future scenarios of Distributed Energy Resources (DER), in the context of large-scale deployment, to assess the local and global impact on the electric power grid. The co-simulation platform utilizes the Functional Mock-up Interface (FMI) industry standard to couple 80,851 individual simulators. For this purpose a Modelica package named SCooDER was developed, which includes models for various DERs. The simulation was conducted at the Lawrencium high performance computing cluster. It included a hierarchical structure of multi-level electricity grids (i.e., transmission, medium-voltage distribution, and low-voltage distribution), and PV with smart inverters and time-varying load profiles at 80,000 load buses, in representation U.S. state sized electric power grid. With the flexibility of the simulation framework and the agreed-on industry standard for simulation model exchange, future applications can be very broad by coupling multi-domain simulators.

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