This standard specifies the terms and definitions, product models, technical requirements, test items, methods and markings, packaging, transportation and storage of underground transformers (including distribution transformers and combination transformers). This standard is applicable to three-phase oil-immersed underground transformers with voltage levels of 6kV and 10kV, rated power of 50Hz, and rated capacity of 30kVA to 1600kVA; other specifications and types of underground transformers can refer to this standard.
JB/T 10544-2006 Referenced Document
GB 1094.1 Power transformers.Part 1: General*, 2013-12-17 Update
GB 1094.2 Power transformers.Part 2:Temperature rise for liquid-immersed transformers*, 2013-12-17 Update
GB 1094.3 Power transformers Part 3: Insulation levels,dielectric tests and external clearances in air
GB 1094.5 Power transformers.Part 5:Ability to withstand short circuit*, 2008-09-19 Update
JB/T 3837 Method for compiling standard models of transformer products*, 2016-10-22 Update