Off-grid Wind Energy Conversion Systems based on Multilevel Cascaded H-bridge Topology in Real Time Simulation

In this paper, the modeling and real time simulation of an off-grid wind energy conversion systems based on isolated multilevel cascaded H-bridge topology is presented. The system is tested under a synthetic wind speed signal generated by Gaussian Process, even with wind variations. The off-grid WEC...

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Bibliographic Details
Main Authors: Rosales, V. R., Rodriguez, S. F., Robles, M, Rodriguez-Hernandez, O., Salgado-Herrera, N.M
Format: Conference Proceeding
Language:English
Subjects:
Data models
Frequency control
Kernel
Mathematical model
Wind forecasting
Wind speed
Wind turbines
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Summary:In this paper, the modeling and real time simulation of an off-grid wind energy conversion systems based on isolated multilevel cascaded H-bridge topology is presented. The system is tested under a synthetic wind speed signal generated by Gaussian Process, even with wind variations. The off-grid WECS structure is made through an AC/DC power converter formed by a VSC in rectifier mode, which is designed through the permanent magnet synchronous generator characteristics; the DC voltage is isolated by a DC/DC modified boost converter and subsequently is applied to the DC/AC multilevel cascaded H-bridge of 5-levels converter. The system validation is achieved in MATLAB-Simulink® and with the laboratory tests using the concept of model in the loop and the real-time simulator Opal-RT Technologies®. The obtained results show a robust and effective methodology generating a total output power of 30 kW off-grid.
ISSN:2573-0770
DOI:10.1109/ROPEC50909.2020.9258773