IEEE C57.637 – IEEE Guide for the Reclamation of Mineral Insulating Oil and Criteria for Its Use
Revision Standard – Active.Covered in this guide are: mineral insulating oil commonly defined as transformer oil; definitions and descriptions of reclaiming procedures; the test methods used to evaluate the progress and end point of the reclamation process; and recommended criteria for the suitable use of reclaimed oils. The use of oil in new apparatus under warranty is not covered in this guide.
