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IEEE C57.96-1989

$98.04

Loading Dry Type Transformers, Guide for

Published By Publication Date Number of Pages
IEEE 1989 34
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New IEEE Standard – Superseded. Superseded. This guide covers general recommendations for the loading of dry-type distribution and power transformers that have 80°C, 115°C, and 150°C average winding rises, and insulation systems limited to 150°C, 185°C, and 220°C maximum hottest-spot operating temperatures, respectively. Transformers through 10 000 kVA are included. Recommendations for ventilated, nonventilated, and sealed dry-type transformers having impregnated insulation systems are provided.

PDF Catalog

PDF Pages PDF Title
1 Title page
3 Foreword
Participants
6 CONTENTS
7 1. General
12 2. References
3. Basic Loading Conditions for Normal Life Expectancy
17 4. Loading Transformers with Moderate Sacrifice of Life Expectancy
28 5. Supplemental Cooling of Existing Self-Cooled Transformers
6. Basis for Calculations of Temperatures, Loss of Life, and Loads
34 7. Protective Devices—Thermal Relays
IEEE C57.96-1989
$98.04