Synthetic Reference-based Transition Optimal Control of Inverter for Surge-Current-Free Rapid Interface to Grid

Conference · 02 November 2021 · 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL)

DOI:https://doi.org/10.1109/compel52922.2021.9646076· OSTI ID:1856848

Roig Greidanus, Mateo D.; Mazumder, Sudip K.; Gajanur, Nanditha

This article addresses the problem of the transition between objective functions in optimal control for power inverters when switching between standalone and grid-connected modes. The work proposes the use of a synthetic reference during the transition between the corresponding objective functions. Moreover, the authors aim to show that a transition function can be imposed and controlled externally from the main optimal control routine. In the end, the simulation results demonstrate the importance of properly applying the proposed strategy for a smooth transition between the operating modes with minimal surge current. These results contrast with the strategies found in the literature where the smooth transition comes with the price of a few grid cycles to sync.

• Research Organization: University of Illinois Chicago
• Sponsoring Organization: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Solar Energy Technologies Office
• DOE Contract Number: EE0009026
• OSTI ID: 1856848
• Journal Information: 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL), Conference: 2021 IEEE 22nd Workshop on Control and Modelling of Power Electronics (COMPEL), Cartagena, Colombia
• Country of Publication: United States
• Language: English