论文信息 - Low-voltage ride-through improvement of PMSG-based wind turbines using predictive control

Low-voltage ride-through improvement of PMSG-based wind turbines using predictive control

For Wind Energy Conversion Systems (WECS) based in Permanent Magnet Synchronous Generator (PMSG) with back-to-back converters, different control strategies have been employed to obtain a reliable grid-connection. The most common is the grid-side control, which uses ProportionalIntegral (PI) loops. However, due to the presence of cross-coupled terms between the dq currents delivered to grid, the PI does not guarantee null steady-state error, resulting in an inadequate power delivery. With the objective of improving the grid-connection, in this paper it proposes the use of a control strategy based on state feedback and predictive control called Generically Predictive Control (GPC). The proposed control and the conventional PI have been discretized to interact with a suitable model of grid-connected PMSG WECS in Matlab/Simulink environment.

Luciano S. Barros | Camila M. V. Barros

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