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Model-Free Dynamic Voltage Control of a Synchronous Generator-Based Microgrid...

by Kenan Hatipoglu, Mohammed M Olama, Yaosuo Xue
Publication Type
Conference Paper
Book Title
2020 IEEE Power & Energy Society Innovative Smart Grid Technologies Conference (ISGT)
Publication Date
Page Numbers
1 to 5
Conference Name
The Eleventh Conference on Innovative Smart Grid Technologies (ISGT 2020)
Conference Location
Washington, District of Columbia, United States of America
Conference Sponsor
IEEE PES
Conference Date
-

The main goal of this paper is to present a new dynamic voltage stability mechanism, based on model-free control (MFC), for effective control and coordination of synchronous generator (SG)-based reactive power resources in a microgrid setting. MFC has shown successful operation in various domains, and this paper presents its first use in the voltage stability of a power system. It is utilized as an online controller to achieve the dynamic voltage stability of a microgrid system under different disturbances and fault conditions. A 21-bus microgrid system fed by SG-based distributed energy resources (DERs) is considered as a use case study. The overall dynamic voltage stability of the microgrid system is investigated using time-domain dynamic simulations during emergency, hazard, and disaster events. Simulation results show that there are significant improvements and enhancements on the dynamic load bus voltage profiles of the microgrid system by the effective model-free control and coordination of the reactive power reserves of the SG-based DERs.