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IEEE C57.12.59

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IEEE C57.12.59 2015 Edition, September 3, 2015 Guide for Dry-Type Transformer Through-Fault Current Duration

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Description / Abstract: This guide for dry-type transformer through-fault current duration applies to dry-type distribution and power transformers built in accordance with IEEE Std C57.12.01™.1

Purpose

This guide sets forth recommendations believed essential for the application of overcurrent protective devices that limit the exposure time of dry-type transformers to short-circuit currents. This guide is not intended to imply overload capability.