研究目的
To propose an innovative scheduling method for voltage regulation in low voltage networks by using a combined PV and storage system.
研究成果
The proposed scheduling algorithm effectively mitigates overvoltage problems in low voltage networks by utilizing PV inverter reactive power and battery storage systems. The method is simple and can be implemented on low-cost microcontroller based platforms, making it accessible for active users.
研究不足
The study is limited by the accuracy of forecasted values of PV output, nodal voltage, and load absorption. Errors in these forecasts can impact the user's revenue and the effectiveness of the voltage regulation.
1:Experimental Design and Method Selection:
The study proposes a scheduling method for voltage regulation in low voltage networks using PV inverters and battery storage systems. It involves setting the inverter reactive power based on sensitivity coefficients and considering the capability curve constraints.
2:Sample Selection and Data Sources:
The study considers active users with a 5 kWp PV system and a 6.5 kWh BESS connected to specific nodes of a 230 V distribution network.
3:5 kWh BESS connected to specific nodes of a 230 V distribution network.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: PV system, BESS, PV inverter, Battery Management System (BMS), and residential loads.
4:Experimental Procedures and Operational Workflow:
The DSO sends forecasted data to active users, who then use the proposed algorithm to schedule inverter reactive power and battery charge/discharge profiles for voltage regulation.
5:Data Analysis Methods:
The effectiveness of the proposed method is evaluated through simulation results demonstrating voltage regulation in the distribution network.
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