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A New Distributed Model-Free Control Strategy to Diminish Distribution System Voltage Violations...

by Kenan Hatipoglu, Mohammed M Olama
Publication Type
Conference Paper
Book Title
2021 IEEE Power & Energy Society General Meeting (PESGM)
Publication Date
Page Numbers
1 to 5
Publisher Location
New Jersey, United States of America
Conference Name
2021 IEEE PES General Meeting
Conference Location
Washington, District of Columbia, United States of America
Conference Sponsor
Conference Date

This paper proposes a new distributed model-free control (MFC) strategy for dynamic voltage control to diminish distribution systems' voltage violations. The objective is to maintain all critical load bus voltages within the acceptable ANSI Range A (+/- 5% of nominal). The distributed MFC strategy, which only requires local voltage measurements from designated load buses, controls online the reactive power generation of available synchronous generator (SG)-based and photovoltaic (PV)-based distributed generators (DGs). The distributed MFC strategy is computationally efficient and does not require modelling of the different system components and disturbances. Time-domain dynamic simulations are conducted for the 21-bus test distribution system fed by multiple DGs to verify the performance of the proposed MFC strategy, and the results are compared against the conventional model-based microgrid voltage stabilizer (MGVS) control strategy. The simulation results show that the distributed MFC strategy provides minimal voltage violations and achieves the dynamic voltage stability of the system under diverse disturbances.