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- Title
Low voltage ride through control strategy for grid-tied solar photovoltaic inverter.
- Authors
Daravath, Ramesh; Sandepudi, Srinivasa Rao
- Abstract
This paper presents a low voltage ride through (LVRT) control strategy using an active power oscillations based reference current generation approach for grid tied solar photo voltaic (SPV) system under line-to-ground (LG) and double line-to-ground (LLG) faults. Proposed control strategy minimizes the harmonics injected into the grid, as well as oscillations in injected reactive power and DC-link voltage. Further this control strategy provides a dynamic control of active and reactive powers, the flow of sinusoidal currents into the grid, and avoids the disconnection between the utility grid and SPV system during faults. A proportional resonant (PR) current controller is developed in a stationary reference frame to achieve the power quality by fulfilling the grid codes. Simulation and experimental results are presented to highlight the merits of the proposed control scheme.
- Subjects
MAXIMUM power point trackers; LOW voltage systems; REACTIVE power control; ELECTRIC inverters; REACTIVE power; GRIDS (Cartography)
- Publication
International Journal of Emerging Electric Power Systems, 2024, Vol 25, Issue 2, p249
- ISSN
1553-779X
- Publication type
Article
- DOI
10.1515/ijeeps-2022-0338