IEEE DRAFT 1276 : D6.0 DEC 96
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DRAFT TRIAL USE GUIDE FOR THE APPLICATION OF HIGH TEMPERATURE INSULATION MATERIALS IN LIQUID-IMMERSED POWER TRANSFORMERS
06-03-1998
12-01-2013
1 Overview
1.1 Scope
1.2 Purpose
2 References
3 Definitions
4 Merits of Operating at High Temperatures
5 Insulation System Temperature Ratings,
Test Procedures and Material Aging Qualification
5.1 Insulation System Temperature Ratings
for 55DEGC and 65DEGC Rise Systems
5.2 Insulation System Temperature Ratings
for High Temperature Rise Systems
5.3 Hybrid High Temperature Insulation Systems
5.4 Aging Test Procedure for Material Qualification
5.5 Aging Test Procedure
for High Temperature Insulation System Qualification
5.6 High Temperature Solid and Wire Insulation and Their
Interaction With Mineral Oil and Other High
Temperature Fluids
6 Loading Guides for High Temperature Transformers
7 Description of High Temperature Transformers
7.1 Transformer With Hybrid High Temperature Insulation
Systems
7.1.1 Characteristics and Applications
7.1.2 Technical Specifications
7.2 Transformers With High Temperature Insulation
Systems
7.2.1 Characteristics and Applications
Nameplate Information
Heat Run Test and Average Winding Temperature
ANNEX
A Gas Analysis
A.1 Dissolved Gas-in-oil for Transformers Insulated With
High Temperature Materials
A.2 Thermal Aging of an Aramid/Cellulose/Mineral Oil
Hybrid Structure
A.3 Generation of Gas Under Arcing Conditions
B Bibliography
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