On-Load Tap Changer (OLTC) Maintenance and Troubleshooting

Upcoming Sessions

Classroom sessions
Online sessions

Course Introduction

On-Load Tap Changers (OLTCs) are essential components of power transformers, responsible for maintaining stable voltage regulation under changing load conditions. This On-Load Tap Changer (OLTC) Maintenance and Troubleshooting training course offers an in-depth understanding of OLTC systems, emphasizing maintenance, fault identification, and troubleshooting techniques. Participants will gain the skills to improve system reliability and reduce downtime through efficient OLTC management.

Objectives

By the end of this training course, participants will be able to:

  • Understand the design and operation of OLTC systems
  • Learn preventative maintenance practices for OLTCs
  • Develop skills in fault detection and troubleshooting
  • Enhance transformer performance and reliability
  • Gain hands-on experience in OLTC servicing and diagnostics

Training Methodology

This COPEX training course will utilise a variety of proven adult learning techniques to ensure maximum understanding, comprehension and retention of the information presented. This includes an interactive mixture of lecture-led learning & group discussions.

Who Should Attend?

This training course is suitable to a wide range of professionals but will greatly benefit:

  • Electrical engineers and transformer technicians
  • Substation operators and maintenance personnel
  • Power system reliability engineers
  • Professionals in transformer manufacturing and servicing

Course Outline

Day 1: Introduction to OLTC Systems

  • Principles of voltage regulation in transformers
  • Types of OLTCs: resistive and reactive designs
  • Components of OLTC systems and their functions

Day 2: Maintenance Practices for OLTCs

  • Routine inspections and cleaning procedures
  • Monitoring oil quality and replacing insulating fluids
  • Checking contacts, selectors, and diverter switches

Day 3: Diagnosing OLTC Faults

  • Common issues: arcing, overheating, and wear
  • Tools for OLTC fault detection and analysis
  • Real-life examples of OLTC failures

Day 4: Troubleshooting Techniques

  • Step-by-step repair procedures for OLTC components
  • Testing repaired systems for proper operation
  • Case studies of OLTC troubleshooting scenarios

Day 5: Practical Exercises and Reliability Planning

  • Hands-on maintenance and troubleshooting sessions
  • Developing a long-term OLTC reliability strategy
  • Final assessment and certification

Providers and Associations

Aztech Training
Coventry

Certificate

  • COPEX Certificate of Attendance will be provided to delegates who attend and complete the course

Material published by Copex shown here is copyrighted. All rights reserved. Any unauthorized copying, distribution, use, dissemination, downloading, storing (in any medium), transmission, reproduction or reliance in whole or any part of this course outline is prohibited and will constitute an infringement of copyright.

Whats Makes Copex Courses Unique?

COPEX Training is your gateway to professional growth, with over 20 years of experience turning potential into success. Each year, we deliver over 1,000 courses in 50+ countries, earning a stellar 98% satisfaction rate. Trusted by global giants like BP, the United Nations, and HSBC, we partner with top certification bodies to provide career-focused training that empowers individuals and drives organizational breakthroughs. Our mission? To transform the way professionals learn and grow in today’s fast-changing industries. Through expert insights, cutting-edge methods, and hands-on approaches, we equip you with the skills and confidence to tackle challenges, seize opportunities, and thrive in your career.

Led by a passionate leadership team and supported by a network of world-class trainers, COPEX Training connects professionals worldwide with life-changing opportunities. We are committed to excellence, ensuring every participant leaves with the tools, expertise, and confidence to conquer an ever-evolving world.

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Our cancellation policy varies depending on the circumstances presented. Generally, cancellations must be initiated in formal writing at least 14 days prior to the commencement date of the training course. Further, the option to shift an existing registration to another training course on a later date is possible. Otherwise, a full refund will be initiated.

Our training courses courses are being held at five-star hotels in prime and iconic destinations across the globe. Cities such as Amsterdam, Barcelona, Dubai, Geneva, Istanbul, Kuala Lumpur, London, Houston, New York, Paris, Vienna, Zurich, etc.

Our training courses will run for 5 hours per day. The standard daily timing is from 8:30 am – 3:30 pm including the coffee/tea breaks and lunch.

The training course fee can be settled by either:

  • Bank transfer
  • Credit Card

Published training course fees are inclusive of the training venue, training manual, writing materials, lunch and coffee breaks with refreshments over the entire duration of the training course.

Upon successful registration, processing window will take not more than 24 hours from the time of registration. An email including the registration confirmation, invoice and joining instructions will be sent to the provided email address.

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