TRANSFORMER DIAGNOSTIC METHODS, MAINTENANCE AND LIFETIME EXTENSION

Content

 

Transformers

  • Transformers main functions and classification
  • Operation of power transformers in a power system
  • Transformer Types
  • Power Transformers Earthing Systems
  • Power Transformer Electrical Tests
  • Ac Tests
  • Power factor tests (Insulation, Oil, and Bushings)
  • Single Phase Excitation Current Test
  • Transformer Turns Ratio Test

Power Cable Testing

  • Cable construction and the methods to splice or terminate the various types of cable.
  • Electrical code and splicing
  • Difference between hot shrink stress cones and Cold shrink
  • Examples of Stress cones and failure caused by poor installation
  • Videos on stripping high voltage cable for termination
  • Example of stripping high voltage cable
  • Construction of shielded and non-shielded cable
  • Cable installation methods
  • Methods of testing cables and interpretation of test results

Power Transformer Testing

  • Function and operation of electrical transformers.
  • Interpret nameplate data
  • Air cooled versus oil cooled; benefits and drawbacks
  • Transformer protection systems
  • Design and construction of power transformers
  • Proper oil sampling methods
  • Testing and scheduling maintenance procedures
  • Electrical safety procedures for power transformers

Breakers and Switchgear

  • Various types of power switchgear
  • Difference between Switches and Breakers
  • Operation of switchgear
  • HV switchgear tests
  • Switchgear maintenance and schedule
  • Switchgear safety procedures

Instrument Transformer Testing

  • Instrument transformer operation and application
  • Current transformer operation and application
  • Purpose of instrument transformers in metering
  • Safety procedures critical to instrument transformers
  • Testing of instrument transformers

FOR WHOM: Electrical Engineers, Electrical Maintenance Personnel, Plant Electricians, Electrical Contractors, Power Specialists, Maintenance Managers, Consultants And Technologists Responsible For The Design, Construction, Installation, Inspection, Operation, Or Maintenance Of Electrical Systems, Electrical Technicians, Inspectors, Safety Personnel And Other Employees Responsible For The Operation And Maintenance Of Electrical Systems In A Commercial, Industrial, Institutional Or Utility Setting.

DATE: 18th – 20th May, 2022

 9th – 11th November, 2022

 

Objective

Installation of high voltage distribution and transmission equipment has increased significantly over the years due to ongoing global demand for power. As a result, the need to ensure the reliability of operation of power systems is paramount. Power transformers and switchgears are among the most important and most expensive components of power systems; their failure can impose extraordinarily high costs on plants, factories and utilities of all descriptions. It is critical that all personnel operating and working with such equipment have a sound knowledge of their operational requirements and maintenance. This course introduces the new technologies of electrical equipment maintenance and monitoring. On the other hand detailed knowledge on both the theory and operation of Transformers, Switchgear components are introduced. The course will develop and enhance an understanding of what is involved in the maintenance of these essential components of the power systems, through the tips and tricks learnt and developed by some of the World’s pre-eminent electrical engineers.

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