Artificial neural network assisted robust droop control of autonomous microgrid

نویسندگان

چکیده

Electric grid is vulnerable to power imbalance and inertia the grid's response overcome such disturbance. Augmentation of electronic converter based renewable energy technologies like Photovoltaic Generators (PVG) batteries in utility significantly reduces inertia. Inertia degradation indicated by sharp Rate Change Frequency (ROCOF) events due any component failure or imbalance. Fixed gain feedback Proportional Integral Derivative (PID) control insufficient deal with varying ROCOF events. This work proposes Sliding Mode (SM) robust droop scheme assisted Artificial Neural Network (ANN) algorithm for an islanded PVG integrated microgrid. Droop governed swing equation that uses Maximum Power Point (MPP) forecasted ANN. ANN forecast compared optimized Gaussian process regression on mean squared error speed training as key performance indicator. The algorithms are trained validated climate dataset Islamabad, Pakistan. SM various PID settings qualified most suitable against variable source, load scenarios. Finally, significance accurate MPP established comparing deterministic forecaster a microgrid case study.

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ژورنال

عنوان ژورنال: Iet Renewable Power Generation

سال: 2023

ISSN: ['1752-1424', '1752-1416']

DOI: https://doi.org/10.1049/rpg2.12739