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What is Transformer Inrush Current Analysis about?

This document discusses transformer inrush current, which is a transient phenomenon that causes current to increase 4-40 times the nominal level when a transformer is energized. It is caused by the transformer core reaching saturation due to residual flux from the previous de-energization. Factors that affect the inrush current include the switching angle, residual flux density, series resistance, and load conditions. While not typically dangerous, inrush current can cause unnecessary operation of protectiv

Author

gyan

Language

EN