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What is Initial Surge Analysis in Transformer Windings about?

This document summarizes a study investigating the initial surge distribution in transformer windings in response to lightning strikes. It examines stresses between winding layers and turns using an electrostatic model that represents the windings as networks of lumped capacitances. Measurements showed limitations with this approximation at times shorter than 0.1 microseconds. The analysis determines voltage stresses to properly dimension insulation and represents coil inductances for computer models of sur

Author

ibrahim

Language

EN