DL/T 985-2012
Guide for determining energy efficiency for distribution transformers (English Version)

Standard No.

DL/T 985-2012

Language

Chinese, Available in English version

Release Date

2012

Published By

Professional Standard - Electricity

Status

Be replaced 2022-11

Replace By

DL/T 985-2022

Latest

DL/T 985-2022

Replace

DL/T 985-2005

Scope

This standard specifies the technical and economic evaluation method for analyzing and comparing the energy efficiency of distribution transformers. This standard applies to single-phase and three-phase dry-type and oil-immersed distribution transformers of 35kV and below. This standard does not apply to traction transformers, test transformers, grounding transformers and modified transformers.

DL/T 985-2012 Referenced Document

• GB 1094.1 Power transformers.Part 1: General*， 2013-12-17 Update
• GB 1094.11 Power transformers- Part 11: Dry-type transformers
• GB 1094.2 Power transformers.Part 2:Temperature rise for liquid-immersed transformers*， 2013-12-17 Update
• GB/T 2900.15 Electrotechnical terminology. Transformer, instrument transformer, voltage regulator and reactor

DL/T 985-2012 history

• 2022 DL/T 985-2022 Guidelines for technical and economic evaluation of energy efficiency of distribution transformers
• 2012 DL/T 985-2012 Guide for determining energy efficiency for distribution transformers
• 2005 DL/T 985-2005 Guide for determining energy efficiency for distribution transformers