Autonomous Dual Active Power-frequency Control in Power System with Small-scale Photovoltaic Power Generation

Active power control of the photovoltaic (PV) generation system is a promising solution to regulate frequency fluctuation in with high penetration renewable energy. This paper proposes an autonomous active small-scale PV for supporting inertial response synchronous generators and power-frequency control. In proposed approach, effective grid regulation scheme realized using slow- fast-frequency responses. A low-pass filter based measurement used slow-frequency response, while direct response. The designed dual droop characteristic-based shaped achieve smooth transition between performance approach demonstrated serious disturbance scenarios, i. e., considerable power-load imbalance trip. test scenario, works properly within normal deviation region even when exceeds that occasionally. trip test, mitigated quickly, employed smoothly transferred from