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Integrated realtime simulation of voltage regulation algorithms in a microgrid with DERs: Leveraging the DERConnect testbed
S. A. Sadat, B. Hwang, K. Murakami, J. Kleissl, J. Cortés, A. Khurram
Proceedings of the Annual Modeling and Simulation Conference, Washington, D.C., May 2024

Abstract

This paper studies real-time hybrid co-simulation of voltage regulation in the University of California San Diego (UCSD) microgrid. We integrate a hardware inverter controller with two subsystems simultaneously simulated in RTDS and Typhoon HIL platforms within a single framework. Using real-time load metering data, we emulate realistic conditions of the UCSD microgrid. To enhance voltage regulation, we employ centralized and distributed algorithms based on a second-order conic relaxation of the nonlinear voltage regulation formulation. These algorithms are tested in a hybrid physical and simulation environment using the physical assets of the distributed energy resources connect (DERConnect) testbed under various realtime loading scenarios, providing a realistic testing ground. Our results demonstrate the effectiveness and suitability of these algorithms for distributed voltage regulation in real-world microgrid scenarios. This research advances practical simulation of voltage control strategies in microgrids, with potential applications in enhancing the stability, scalability, and efficiency of power distribution systems.

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Mechanical and Aerospace Engineering, University of California, San Diego
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