Standard No.:	GB 1094.2-1996
English Name:	Power transformers - Part 2: Temperature rise
Chinese Name:	电力变压器 第2部分:温升
Chinese Classification:	K41    Transformer
Professional Classification:	GB    National Standard
Issued by:	AQSIQ
Issued on:	1996-3-31
Implemented on:	1996-12-1
Status:	superseded
Superseded by:	GB 1094.2-2013 Power transformers - Part 2: Temperature rise for liquid-immersed transformers GB/T 1094.2-2013
Superseded on:	2014-12-1
Superseding:	GB 1094.2-1985
Language:	English
File Format:	PDF
Word Count:	9000 words
Price(USD):	220.0
Delivery:	via email in 1 business day

1 Subject Contents and Application Scope This Standard identifies transformers according to their cooling methods, defines temperature-rise limits and details the methods of test for temperature-rise measurements. This Standard applies to transformers as defined in GB 1094.1. 2 Normative References GB 1094.1-1996 Power Transformers — Part 1: General GB 3536-83 Petroleum Products — Determination of Flash and Fire Points — Cleveland Open Cup Method GB 6450-86 Dry-type Power Transformers GB 11021-89 Thermal Evaluation and Classification of Electrical Insulation GB/T 13499-92 Application Guide for Power Transformers GB/T 15164-94 Loading Guide for Oil-immersed Power Transformers

1 Subject Contents and Application Scope 2 Normative References 3 Identification Symbols According to Cooling Method 4 Temperature-rise Limits 5 Test of Temperature Rise Appendix A (Informative) Note on Oil Temperature in Transformers with Forced Oil Circulation Appendix B (Informative) Transient Loading — Mathematical Model and Testing Appendix C (Informative) Techniques Used in Temperature-rise Testing of Oil-immersed Transformers