General Electric Secondary Unit Substation Transformers

Introduction

This document provides essential instructions for General Electric's Secondary Unit Substation Transformers, specifically the liquid-filled models. It details procedures for receiving, handling, and storing these transformers to ensure their integrity upon arrival. The guide covers the complete installation process, including foundation requirements, handling precautions, and proper connection methods. It also elaborates on the various accessories and components such as liquid-level gages, temperature indicators, pressure-vacuum gages, and pressure-relief devices, explaining their function and maintenance. Furthermore, the document outlines testing procedures for insulating liquids, including dielectric strength and moisture content, and provides guidance on filtering, drying, and general maintenance to ensure optimal performance and longevity of the transformers.

Key Sections

• Receiving, Handling, and Storing
• Installation and Connections
• Accessories (Gages, Indicators, Relief Devices)
• Testing of Insulating Liquids
• Filtering, Drying, and Maintenance
• Renewal Parts and Service Information

Resources

• For detailed specifications and diagrams, refer to the full manual.
• For service inquiries, contact the nearest General Electric Apparatus Sales Office or Service Shop.