A conventional Synchronous Generator (SG) has the ability to compensate for grid frequency fluctuations along with voltage regulations due to its large inertia and damping ability. It also helps in the seamless connection or disconnection of loads from the grid and maintains the power quality. However, the integration of distributed energy resources has introduced challenges to grid stability. Static converter-based systems lacks inertia, leading to an immediate shift to sleep mode during desynchronization or terminal faults. In this paper, a Virtual Synchronous Generator (VSG) control technology to address the inertiarelated issues is proposed. Initially, a closed-loop system's control block diagram and the mathematical model of the VSG are developed. Subsequent analysis focuses on the impact of stochastic changes in the DC input on the system's frequency. The proposed VSG control approach swiftly recovers and stabilizes the system when faced with significant frequency deviations. MATLAB/Simulink simulations validate the effectiveness of the proposed VSG control system, demonstrating its ability to mitigate frequency deviations caused by the variation in the supply voltage.
Transient Mitigation in a Standalone Inverter System using Virtual Synchronous Generator
31.07.2024
841679 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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