Transformers Operation and Maintenance

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  • Start Date

    08 Jun, 2020

  • End Date

    11 Jun, 2020

  • Price


  • WiFi

    Free wifi available

Event Details

At the end of this training seminar, you will learn to:

  • Describe the various classifications and types of transformer
  • Appreciate the importance of transformer maintenance
  • Analyse the various transformer test results
  • Classify the transformer cooling methods
  • Recognise the merits of transformer designs



Introduction, General Principles and Classification

  • General Classification and Types of Transformer
  • Transformer Windings, Interconnection of Windings and Tertiary Windings
  • Parallel Operation of Transformers and Paralleling Requirements
  • Standards for Transformers, Types and Requirements
  • Transformer Tappings and Connections
  • Ability to Withstand Short Circuit, Impedance Percentage and Sound Level
  • Case Studies and Workshop Discussion


Transformer Constructional Details

  • Transformer Oil, Characteristics, Oil Oxidation and  Breakdown Voltage
  • Effect of Oil Expansion, Breathing Action, Buchholz Relay, Explosion Vents
  • Instrument Transformers
  • Transformers for Industrial Applications
  • Internal and External Cooling of Transformers
  • Construction and Details of Transformer Cooling Systems
  • Case Studies and Workshop Discussion


Transformer Features and Thermal Performance

  • Thermal Performance and Cyclic Rating of Transformers
  • Transformer Electromagnetic Forces Radial and Axial
  • Transformer Winding and Core Construction
  • Transformer Tanks, Radiators and  Tank Losses
  • Sound and Noise Levels in Transformers
  • Gas Insulated Transformers
  • Case Studies and Workshop Discussion


Transformer Operation and Maintenance

  • Distribution Voltage Adjustment, Off-load and On-load Tap Changing
  • Earth Fault and Over-current Protection of Distribution Transformers
  • Transformer Components Maintenance
  • Condition based Maintenance for Transformers
  • Guidelines on How to Care for your Distribution Transformer
  • Remote Monitoring of Transformers
  • Case Studies and Workshop Discussion


Transformer Testing and Troubleshooting

  • Troubleshooting Transformer Faults
  • Site Acceptance Tests
  • Transformer Routine Tests
  • Measurement of Winding Resistance and Voltage Ratio
  • Insulation Resistance Tests
  • Manufacturer and Transformer Type Tests
  • Partial Discharge Tests and Accuracy of Test Reports
  • Wrap-up Session, Questions and Answers


Cooling transformers

  • Heat dissipation and load
  • Environment & cooling of transformers
  • Cooling fluids
  • Types of cooling system & notation
  • Rated power and cooling system



Works, Services and Maintenance Personnel



The training methodology combines lectures, discussions, group exercises and illustrations. Participants will gain both theoretical and practical knowledge of the topics. The emphasis is on the practical application of the topics and as a result participant will go back to the workplace with both the ability and the confidence to apply the techniques learned to their duties.


1ST BATCH: 8th – 11th June, 2020

2ND BATCH: 17th – 20th November, 2020

Other Dates

Start Date End Date
17 Nov, 2020 20 Nov, 2020
Start Date End Date
08 Jun, 2020 11 Jun, 2020
  • Venue

    Alpha Partners Professional Training Conference Centre. 200, Muritala Mohammed Way (3rd Floor), Yaba Lagos.

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