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Utility-Side Voltage and PQ Control with Inverter-based Photovoltaic Systems...

Publication Type
Conference Paper
Publication Date
Conference Name
the 18th World Congress of the International Federation of Automatic Control (IFAC)
Conference Location
Milano, Italy
Conference Date
-

Distributed energy resources (DER) are small generators located close to the load centers. The DERs that are integrated to the grid with the power electronic converter interfaces are capable of providing nonactive power in addition to active power. Hence, they are capable of regulating the voltages of the weak buses in the distribution systems. This paper discusses the voltage control capability of photovoltaic (PV) systems as compared to the traditional capacitor banks. The simulation results prove the effectiveness of dynamic voltage control capability of inverter-based PV. With the proper control algorithm, the active and nonactive power from the DERs like battery banks or solar photovoltaic can be controlled independently. This paper also presents the scenario of controlling the active and nonactive power from the PV array to track and supply the local load.