Comparative Analysis of Voltage Control in Battery Power Converters for Inverter-Based AC Microgrids
AbstractA microgrid is a micro-power system composed of local distributed generators, energy storage systems, loads, and other components in a local power network. Because renewable energy sources show relatively large output power variation, the integration of distributed generators in a microgrid often requires the installation of a large-scale energy storage system. The energy storage system is connected to a local AC bus via the DC/AC converter with an output inductor-capacitor (LC) filter. The energy storage system power converters generally form the local AC bus voltage. This grid-forming operation requires fast and robust voltage control to properly maintain a stable energy flow and high power quality in the local AC bus. In this paper, two major voltage control schemes—double-loop control and direct voltage control—are analytically compared, and their effects on the power quality of the microgrid are illustrated. The dynamic performance is compared through simulations and experimental results. View Full-Text
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Chae, W.-K.; Won, J.-N.; Lee, H.-J.; Kim, J.-E.; Kim, J. Comparative Analysis of Voltage Control in Battery Power Converters for Inverter-Based AC Microgrids. Energies 2016, 9, 596.
Chae W-K, Won J-N, Lee H-J, Kim J-E, Kim J. Comparative Analysis of Voltage Control in Battery Power Converters for Inverter-Based AC Microgrids. Energies. 2016; 9(8):596.Chicago/Turabian Style
Chae, Woo-Kyu; Won, Jong-Nam; Lee, Hak-Ju; Kim, Jae-Eon; Kim, Jaehong. 2016. "Comparative Analysis of Voltage Control in Battery Power Converters for Inverter-Based AC Microgrids." Energies 9, no. 8: 596.
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