Risk Control for Fluid Filled Transformers

(3-Day)

 

This class is designed to teach those that insure transformers such as field staff inspectors and risk control specialists how to identify types of transformers including the components and accessories, their features/function, value/significance, typical failures/exposures, industry best-practices regarding installation, testing, maintenance and inspection. This class is designed to help identify transformer designs and components that pose a significant exposure and steps to control those exposures. The ultimate goal is to reduce the incidents and losses that involve this equipment.

 

Class Objectives:

Upon completion of, the student should:

• Be able identify the types of transformers and their construction.
• Be able to identify components and accessories including the features, functions, application, significance, and value of replacement and/or repair.
• Be able to identify the significant transformer and component exposures / failure modes.
• Learn ways to mitigate exposures through testing, installation, start-up, etc, by the application of industry standards and best practices.
• Be familiar with contingency planning practices for transformer failure prevention.

Suggested Accompanying Seminar:

• Risk Control for Electrical Equipment

Venue and Duration:

• In-Class (Tallmadge, OH) – 3 days

Materials and Tools:

• Reference workbook
• List of suggested standards

Activities:

• Reference the one-line drawing and nameplate to reinforce concepts
• Q & A at section conclusions

Course Outline:

1. Introduction to Transformers
   a. Construction and materials used
   b. Purpose and importance of Standards
2. Transformer Failures
3. Transformer Component Failures, including but not limited to:
   a. Windings
   b. Tap Changers
   c. Bushings
   d. OCPD
   e. Terminal Boards
   f. Cores
   g. Circuits
4. Failure Statistics
   a. Types of Causes
   b. Number of Failures
   c. Percentages of Failures
5. Case Studies
6. Loss Scenarios
7. On-line Monitors
   a. Types
   b. Categories
   c. Statistics
8. Protective Devices
9. Transporting New Transformers
   a. Risk Factors
   b. Monitoring
10. Inspecting New Transformers
11. Testing New Transformers
12. Installing a New Transformer
    a. Installation of the transformer and components
    b. Vacuum Treatment
13. Energizing a New Transformer
14. Storage of Transformers
15. Inspecting an Operational Transformer
    a. Inspecting the transformer
    b. Inspecting the components
    c. Inspection tools and devices
16. Separation: Barriers and Fences
17. Spill Containment
18. Contingency Planning
19. Transformer Maintenance Recommendations

 

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