Schneider Electric TBI Vadodara Transformer Service Manual – PDF
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This is the official Schneider Electric Transformer Service Manual (TBI AF/IMS001/R2) from the TBI Vadodara Division. It is a critical resource for the installation, commissioning, and maintenance of a wide range of transformers, including Foil Wound, Oil Distribution, and Medium Power Transformers. The manual provides detailed protocols for transport, storage, and erection, along with a comprehensive pre-commissioning checklist for systems like the OLTC and AVRR operation. Technicians will find essential safety guidelines and step-by-step procedures for ensuring the long-term reliability of transformer assets
Description
Schneider Electric TBI Vadodara Transformer Service Manual – PDF DOWNLOAD
Description
This comprehensive Service Manual serves as the definitive guide for engineers and technicians working with Schneider Electric’s transformers manufactured at the Vadodara unit. It covers the entire lifecycle of the equipment, from receipt at the site to routine maintenance and troubleshooting.
The manual is structured to ensure safe and efficient operation:
📋 Table of Contents & Key Sections
General Introduction: Overview of transformer types (Foil Wound, Furnace, Earthing, etc.) and design philosophy.
Transport, Packing & Dispatch: Guidelines for handling main units and accessories, including impact recorder analysis and lifting/jacking instructions to prevent damage.
Storage & Erection:
Procedures for long-term storage (up to 3 months) and checks for oil leakage.
Detailed erection steps: Bushing mounting, conservator installation, and radiator assembly.
Pre-Commissioning Checks:
Electrical Tests: Transformer insulation resistance measurement procedure HV-LV, ratio tests, and vector group verification.
System Verification: Schneider Electric transformer pre-commissioning checklist OLTC AVRR, checking Buchholz relays, WTI/OTI settings, and Marshalling Box connections.
Protection Systems: Testing of Magnetic Oil Level Gauge (MOG), Pressure Relief Valve (PRV), and fan control circuits.
Commissioning & Charging: Protocols for initial charging, soaking time (24 hours), and load observation.
Maintenance Schedule:
Daily/Hourly Checks: Voltage, current, OTI/WTI readings, and oil levels.
Monthly/Quarterly Checks: Silica gel breather inspection, bushing cleaning, and oil leak inspections.
Yearly Checks: Oil BDV and acidity testing, OSR/Buchholz relay float inspection, and adjusting OLTC PRV alarm and trip settings.
Troubleshooting: Diagnostics for common issues like high oil temperature, abnormal noise, and breaker tripping.
Do’s and Don’ts: Critical safety warnings regarding earthing, valve operations, and handling.
🗃️ File Details
Manual Name: Service Manual (For Installation, Commissioning & Maintenance of Transformer)
Models Covered: Foil Wound, Oil Distribution, Medium Power, Earthing, Furnace, Special, and Auto Transformers.
Year: February 20, 2017 (Rev 2)
Manual PDF Quality: High quality with clear text, tables, and checklists.
No. of Pages: 106
