研究目的
To present a smart strategy for a charging station that manages power among different energy sources, charges electric vehicles, regulates voltage and frequency of the generator, and compensates harmonics current of nonlinear loads.
研究成果
The proposed charging strategy and operation of the charging station in both standalone and grid connected modes have been successfully demonstrated. The control's capability to extract maximum power from the solar PV array and to regulate the DG set's operation beyond its rated capacity without exceeding current limits has been verified. The system's performance under various conditions proves its effectiveness in charging EVs efficiently.
研究不足
The study focuses on a specific configuration of a charging station with solar PV, battery storage, and a diesel generator. The scalability and applicability to larger or differently configured systems are not explored.
1：Experimental Design and Method Selection:
The study involves designing a charging station with a single voltage source converter (VSC) for multiple tasks including power management, EV charging, and regulation of voltage and frequency.
2：Sample Selection and Data Sources:
Utilizes a solar PV array simulator, a 240V, 35Ah lead acid battery, a
3：7 kW single phase SEIG, and a 5kW three phase squirrel cage induction motor (SCIM) driven by variable frequency drive (VFD). List of Experimental Equipment and Materials:
Includes a solar PV array simulator (TerraSAS), lead acid battery, SEIG, SCIM, VFD, and digital processor (dSPACE-1006).
4：6). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The charging station operates in standalone and grid-connected modes, with the VSC managing energy exchange and ensuring UPF operations.
5：Data Analysis Methods:
Performance is evaluated through steady state and dynamic conditions, with results demonstrating the control's promptness and the charging station's capability under varying conditions.
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