The courses in the Introductory Level are designed for those who are directly responsible for the maintenance of the transformer and/or for those with minimal familiarity with transformer operation.

Principles of Transformer Maintenance

This course introduces the student to a range of topics summarizing the basic fundamentals of transformers and transformer maintenance including basic electric concepts, introduction to transformers, solid and liquid insulation, oil testing and analysis, basic electrical testing, and maintenance. Students can bring their own transformer oil test data to use as a class case study and/or get personalized assistance from an instructor.

What You'll Learn

  • Generation, transmission and distribution of electric power
  • Design, construction and materials used in transformers
  • Conditions that accelerate aging
  • Analytical oil tests, results and recommendations
  • Applying maintenance principles for life extension
  • Moisture in transformers
  • Basic electrical testing principles
  • The purpose of liquid and solid insulation
  • and more…

This course is also available as customer on-site training.

Principios de Mantenimiento de Transformadores

Este curso introduce al alumno en una serie de temas que resumen los fundamentos básicos de los transformadores y de mantenimiento del transformador.

What You'll Learn

  • Conceptos básicos eléctricos
  • Introducción al transformador
  • Aislamiento sólido
  • Aceite del transformador
  • Pruebas de aceite del transformador
  • La humedad en transformadores
  • Análisis de Gas Disuelto
  • Análisis de compuestos furánicos y pruebas no rutinarias de aceite
  • Principios de Pruebas Eléctricas
  • Interpretación de los resultados de pruebas de aceite y Opciones de mantenimiento

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In-Service Inspection & Sampling of Fluid-Filled Transformers

Learn the proper and safe procedures needed to obtain a representative sample of dielectric fluid. Features a sampling demonstration and practical exercises to obtain accurate oils samples for use in lab analysis.

What You'll Learn

  • Safety hazards and PPE requirements.
  • Identify transformers that require extraordinary procedures to obtain samples.
  • Gain knowledge of transformers, auxiliary equipment, accessories and other equipment.
  • Learn proper oil sampling procedures.
  • Learn how proper samples lead to a more accurate trending history.

This course is also available as customer on-site training.

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Principles of Transformer Maintenance (Online)

Principles of Transformer Maintenance Online contains online video sessions that introduce the student to a range of topics including the basics of transformer operation and maintenance including power, solid and liquid insulation, and testing and analysis.  These 13 online video sessions are easy to access through the internet using your computer and are affordable, self-paced and convenient -- accessible anytime or anywhere.

What You'll Learn

  • Generation, transmission and distribution of electric power
  • Design, construction and materials used in transformers
  • Conditions that accelerate aging
  • Analytical oil tests, results and recommendations
  • Applying maintenance principles for life extension
  • and more…

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Principios de Mantenimiento de Transformadores Módulos en Línea

Este curso incluyendo conceptos básicos eléctricos, introducción a los transformadores, aislamiento sólido y líquido, pruebas y análisis de aceite, pruebas eléctricas básicas y mantenimiento.

What You'll Learn

  • Generación, Transmisión y Distribución
  • Diseño y Construcción del Transformador
  • Proceso de envejecimiento del aceite (oxidación)
  • La Saturación de Humedad en el aceite
  • Criterios para la interpretación de análisis de prueba de aceites
  • Crear su propio programa de mantenimiento
  • y más...

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The courses in the Intermediate Level are designed for those who are directly responsible for the maintenance of the transformer and/or for those experienced with transformer maintenance, its operation and an understanding of proper maintenance planning.

Half-Century Transformer

This course provides a foundational understanding of the internal and external elements of the transformer, the essentials of transformer operation and maintenance implementation and related industry standards. It covers the chemical, mechanical and electrical components of the transformer, the purpose and operating characteristics of these components, the significant requirements and methods for maintenance, and the major testing involved in maintenance.

What You'll Learn

  • The role of transformers in power transmission and distribution
  • Transformer design and assembly
  • The transformer aging process
  • Common dielectric fluid tests
  • Interpreting test results (mineral oils)
  • Common field electrical tests and their purpose
  • Predictive, preventative and reactive maintenance
  • Chemical, mechanical and electrical maintenance procedures
  • Equipment condition assessments
  • and more…

This course is also available as customer on-site training.

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Transformer Applied Maintenance

This course provides a foundational understanding of the internal and external elements of the transformer, the essentials of transformer operation and maintenance implementation and related industry standards.  It covers the chemical, mechanical and electrical components of the transformer, the purpose and operating characteristics of these components, the significant requirements and methods for maintenance, and the major testing involved in maintenance. 

This course experience at our Tallmadge facility includes lab and equipment tours, rewind facility tour, case studies, break-out groups, expert panel discussion, practical exercises, and interactive activities.

What You'll Learn

  • The role of transformers in power transmission and distribution
  • Transformer design and assembly
  • The transformer aging process
  • Common dielectric fluid tests
  • Interpreting test results (mineral oils)
  • Common field electrical tests and their purpose
  • Predictive, preventative and reactive maintenance
  • Chemical, mechanical and electrical maintenance procedures
  • Equipment condition assessments
  • and more…

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Load Tap Changer Principles & Maintenance

This class explains the theory of load tap changing and identifies the various types and styles of tap changers, their components, and sequences of operation. Additionally, this class discusses monitoring, inspections, and testing required for developing an intelligent preventative load tap changer (LTC) maintenance program.

What You'll Learn

  • Identify the purpose of load tap changers.
  • Identify load tap changer components.
  • Identify the sequence of operation, including those with vacuum interrupters.
  • Learn monitoring and testing procedures.
  • Review of inspection and testing procedures.
  • Develop a preventative maintenance program for LTCs.

This course is also available as customer on-site training or an elective.

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Advanced DGA Diagnostics

Learn to identify fault gases and what causes their formation. We will explain and provide examples of qualitative and quantitative interpretation of dissolved gases and how to evaluate the condition of cellulose insulation. This class will also examine the role DGA plays in new oil testing and discuss procedures to obtain a representative sample from transformers.

What You'll Learn

  • Learn to identify fault gases and what causes their formation.
  • Apply qualitative and quantitative methods for interpretation of dissolved gas concentrations.
  • Identifying other combustible gases within transformers.
  • Learn what to do in the event of a fault and for the generation of combustible gases.
  • Examine the role DGA plays in new oil testing.
  • Discuss procedures to obtain a representative sample from transformers.

 This course is also available as customer on-site training.

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Electrical Testing - Understanding Power Factor Testing for Transformers, Bushings, and Breakers

This is a 1-day class that gives an in depth understanding of Power Factor Testing in the field. The Power Factor is a measurement of the efficiency of the transformer's insulation system and therefore a reliable electrical test to detect deterioration that may cause significant issues with the operation of the transformer.

What You'll Learn

  • Power factor theory
  • Test circuits
  • Transformer power factor test
  • Bushing tests
  • Breaker tests (OCB and SF6)
  • Excitation current tests
  • Turns ratio tests (TTR)

This course is also available as customer on-site training.

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Transformer 360

The aging of existing transformers and the changes in modern transformer design are two of the challenges currently facing maintenance professionals. The Transformer 360 Course was developed to help equip the next generation of professionals to competently meet those challenges. Configured for flexibility, this course is divided into three one-day segments that may be taken as a whole or separated according to individual need.

What You'll Learn

The first day is our Half-Century Transformer Re-Energized course, followed by four half-day sessions of foundational information on Risk and Reliability, DGA, LTC and Electrical Testing.

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The courses in the Advanced Level are designed for those who are responsible for the planning and management of the transformer as an asset and/or for those experienced with transformer reliability and risk management.

Advanced Transformer Maintenance and Planning

After a brief review, this course builds on the foundational concepts taught in the Half Century Transformer - Applied Maintenance (and The Half Century Transformer Course). Students will dive deeper into the concepts of reactive, predictive, and preventative maintenance of transformers and be able to develop a cost-effective testing and maintenance plan to prolong the reliable life of their transformers.

This course will get the student familiar with the substation and system equipment, as well as additional understanding of transformer design and construction. This course provides the advanced knowledge and develops the skills to identify and analyze / interpret chemical test results, identify maintenance recommendations based on chemical and electrical tests, manage service specifications, and make critical maintenance / planning decisions. We further build and work on the application of this advanced education through practical exercise, interactive activities, etc. thus increasing the learning retention, applicability of concepts and overall experience.

What You'll Learn

  • Understand the functions of a substation
  • Understand new installation acceptance testing
  • Interpret test results (other fluids)
  • Understand and identify field electrical tests needed
  • Understand electrical testing procedures, connections, and results
  • Develop and Implement a structured maintenance plan
  • Create purchasing specifications for service and vendor qualifications
  • and more…

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Transformer Lifecycle Management

This course provides the knowledge to successfully plan and manage in the lifecycle of the transformer:  from specification and purchasing; to transportation, assembly and start-up; to field and shop repair options, including end-of-life options; to overall risk and asset management.  Develop and manage a maintenance program and/or lead the overall delivery of that program.  Create purchase and repair specifications, coordinate factory inspections, understand acceptance testing, adhere to transportation and installation requirements, create risk assessments, and make proper field or shop repair decisions.

What You'll Learn

  • Transformer lifecycle stages
  • Requirements of a new or remanufactured unit
  • Remanufacturing and rewind processes
  • Factory and field acceptance testing standards
  • Transformer shipping logistics and transit protection
  • Fluid and electrical testing requirements
  • Safety considerations for repairs, testing and shipping
  • Common transformer failures
  • Field and shop repair processes and operations
  • Develop an asset management program
  • and more…

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