Guideline for On-site Major Overhaul of 35kV and Above Oil-Immersed Power Transformers for Power Supply and Generation Enterprises - Standardized Operation Guideline Series

Author: None
Publisher:
Publish Date: 2004-10-01
Features: This work instruction manual references relevant standards, procedures, and anti-accident technical measures, combining on-site maintenance safety requirements to summarize the on-site maintenance experience of maintenance personnel in the North China Power Grid and relevant manufacturing plant maintenance personnel. The main content includes: major overhaul projects, major overhaul testing and commissioning, preparation work before maintenance, transformer disassembly and assembly, transformer lifting and handling, transformer core maintenance, transformer oil draining, oil filling, and oil treatment, transformer drying, on-load tap changer maintenance, transformer component maintenance, transformer painting, and acceptance and commissioning of major overhauls of transformers, etc. This work instruction manual can serve as a reference for on-site personnel and also as a training reference for transformer maintenance personnel before maintenance.