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The influence of the magnetizing inrush is eliminated by the existing transformer protection principles based on the transformer model. However, the errors caused by the imbalance of winding parameters may result in the mal-operation of protection. Based on the loop equations of transformer model, utilizing the unbalanced current in the delta windings to contact the three phases loop equations, the...
Obtaining the transformer internal parameters exactly for physical model based transformer protection is difficult because of the complex electromagnetic relation of the transformer, exemplified by transformer protection method based on the loop equation principle. According to the approaching ability of the artificial neural network, using artificial neural network to approach the electromagnetic...
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