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DOE OSTI · 1755743

Development of an Encoding Method on an Co-simulation Platform for Mitigating the Impact of Unreliable Communication

Xie, Fuhong·McEntee, Catie·Zhang, Mingzhi·Mather, Barry·Lu, Ning
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Abstract

This report presents a hardware-in-the-loop (HIL) based modeling approach for simulating impacts of unreliable communication on the performance of centralized volt-var control and for developing an encoding method to mitigate the impacts. First, an asynchronous real-time HIL simulation platform is introduced to enable multi-rate co-simulation of a distribution system with many inverter-based distributed energy resources (DERs). The distribution system is modeled by milliseconds phasor-based models and the DERs are modeled by micro-seconds power electronic models. Communication connections between a centralized volt-var controller (modeled externally to the HIL testbed) and smart inverters are built by implementing Modbus links and the Long Term Evolution network. On this co-simulation platform, an enhanced, augmented Lagrangian multiplier based encoded data recovery (EALM-EDR) algorithm for mitigating the impact of unreliable communication is developed and validated. Simulation results demonstrate the efficacy of using the HIL-based co-simulation platform as a power grid digital twin for developing algorithms that coordinate a large number of heterogeneous control systems through wired and wireless communication links.

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24 POWER TRANSMISSION AND DISTRIBUTIONaugmented Lagrangian multiplierdata recoverydistributionhardware-in-the-loopvolt-var control

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Xie, Fuhong, McEntee, Catie, Zhang, Mingzhi, Mather, Barry, Lu, Ning. 2020-11-23. Development of an Encoding Method on an Co-simulation Platform for Mitigating the Impact of Unreliable Communication. https://doi.org/10.1109/tsg.2020.3039949

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