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Course Description

This 3-day technical course provides participants with a comprehensive understanding of distribution transformer principles, operation, and maintenance practices. Participants will learn transformer construction, operating characteristics, testing procedures, and preventive maintenance strategies to ensure reliable transformer performance and extended service life. The course combines theoretical knowledge with practical maintenance techniques applicable to utility and industrial environments.

Course Objectives

Upon the successful completion of this course, each participant will be able to:

  • Understand distribution transformer construction and operating principles
  • Identify transformer components and their functions
  • Apply transformer testing and inspection procedures
  • Implement preventive and corrective maintenance practices
  • Diagnose common transformer faults and failures
  • Follow safe working practices when working with transformers

    Who Should Attend?

    This course is designed for electrical technicians, maintenance engineers, utility operations staff, and technical professionals responsible for distribution transformer maintenance and operation.

    Course Agenda

    Registration

    Welcome & Introduction

    Pre-Test

    Day 1 – Transformer Fundamentals

    • Introduction to transformers and their role in distribution systems
    • Transformer construction: core, windings, tank, and accessories
    • Electromagnetic induction and transformer principles
    • Transformer ratings, nameplate data, and standards
    • Transformer connections: delta, star, and vector groups
    • Transformer cooling systems and insulation 

    Day 2 – Testing & Inspection

    • Transformer testing overview and objectives
    • Insulation resistance and polarization index testing
    • Turns ratio and winding resistance testing
    • Oil sampling and dielectric strength testing
    • Dissolved gas analysis (DGA) interpretation
    • Visual inspection procedures and checklists 

    Day 3 – Maintenance & Fault Diagnosis

    • Preventive maintenance program development
    • Oil maintenance and filtration procedures
    • Bushing, tap changer, and accessory maintenance
    • Common transformer faults and failure modes
    • Fault diagnosis and troubleshooting approaches
    • Transformer overloading and thermal management

    Post test 

    End of the Course

    Assessment Methodology

    All courses conducted by EdTech will begin with a Pre-evaluation and end with a Post-evaluation. The instructor will evaluate the knowledge and skills of the participants according to the feedback given by participants. This will help to recognize the benefits and the level of knowledge gained by participants through the course.

    Training Methodology

    Facilitated by a highly qualified specialist, who has extensive knowledge and experience; this program will be conducted using extensively interactive methods, encouraging participants to share their own experiences and apply the program material to real-life work situations in order to stimulate group discussions and improve the efficiency of the subject coverage.

    Percentages of the total course hour classification are:

    • ​40% Theoretical lectures, Concepts and approach
    • 20% Motivation to develop individual skill and Techniques
    • 20% Case Studies and Practical Exercises
    • 20% Topic General Discussions and interaction

    Course Manual

    Participants will be provided with comprehensive presentation material as reference manual. This presentation material is a compilation of core valuable information, references, presentation methods and inspiring reading which will be used as a part of the material guide.

    Course Certificate

    At the completion of the course, all participants who successfully accomplished the required contact hours will receive an EdTech Training Participation Certificate as a testimony to their commitment to professional development and further education.

    Why Edtech ?

    • Industry Experienced; Internationally Qualified Trainers
    • Hands-on Practical Sessions & Assignments
    • Intensive Study materials
    • Flexible Schedules
    • Realistic training methodology
    • High-Quality Training in Affordable Course Fees
    • Achievement Certificate, as approved by the Ministry of Education (Abu Dhabi Center for Technical and Vocational Education Training - ACTVET), HABC, AWS, IAOSHE, SHRM, etc.