Distance - Substation Maintenance & Troubleshooting (1.2 CEU's)

Dr. Eduard Loiczli

Eduard Loiczli is currently a Nuclear Integration Senior Electrical Engineer for Ontario Power Generation. He has more than 26 years experience in Electrical Engineering and Controls and has made many achievements in the industry. He has designed programming applications for nuclear applications, SCADA and DCS. He has also created programming and integration solutions for oil extraction and an automated line for the glass industry. In addition to programming solutions, Mr Loiczli has been project leader for design in many electrical projects.
Mr Loiczli is a member of IEEE, Ontario Fire Association and APEO. He is a Certified Nuclear Engineer.


Session 1: Substation Overview
  • Purpose of a Substation
  • Components of a Power System
  • Types of Substations
  • Substation Switching Configurations
  • Distribution Substation Configurations
  • Substation Components
  • Metering in Substations
  • Relaying in Substations
Session 2: General requirements:
  • Personal Qualification requirements
  • Personal Protective Equipment requirements
  • Minimum Spare parts available on hand
  • Before disconnecting: Infra Red Scanning
  • Routine Inspection, System Surveillance equipment: Corona Cameras
  • Planning the outage: Duration; Inclement weather condition; Illumination and backup power
  • Preparing for the scheduled Outage, involving all stake holders and Switching Authority
  • Maintenance in hand procedures, system parameter trending
  • Outsourcing & Contracting, supporting the modification and upgrade projects, plan approval requirements
Session 3: Scheduled Maintenance
  • Taking care of the routine, trimming vegetation
  • Lighting requirements in Substations
  • Testing Power transformers
  • Oil types and acceptable results
  • Equipment ageing
  • Painting and maintaining a good condition of the equipment
  • Circuit Breakers calibration, instrumentation and documentation
  • Instrumentation for Circuit breakers calibration, current injection tools
  • Cleaning switchgear, solvents and cleaning material
  • Insulator verification
  • Pole Inspection
  • Ground Bonding and connection inspection
  • Verification of heating elements – preparation for winter condition
  • Access roads to the Substation
  • Typical ITP requirements: Meager; High Pot testing and Micro-Ohmmeter, values and instruments
Session 4: Unscheduled maintenance:
  • Events leading to unscheduled maintenance
  • Investigation of the root cause
  • Overhead transmission line pole replacement
  • Replacing underground cables
  • Replacing power transformers
  • Replacing power switchgear
  • Splicing power cables
  • Installing additional protection, e.g. in-line fuses
  • Changing Oil Transformers
  • Testing after execution of the repair
Session 5: Switchgear Maintenance and Testing
  • Arrangement of Components
  • Maintenance Intervals
  • Maintaining the Insulation System
  • Maintaining Auxiliary Components
  • Torque Requirement for Switchgear Assemblies
  • Electrical Testing of Switchgear
Session 6: Circuit Breaker Maintenance and Testing
  • Overall Maintenance
  • Electrical Testing
  • High-Potential Testing (Hi-Pot)
  • Principles of Power Factor Testing
  • Operation and Timing Tests
Session 7: Overview of Protective Relays
  • Classification of Relays
  • Protective Zones
  • Fundamentals of Electromechanical Design
  • Relay Construction
  • Time Characteristics
  • Protective Relay Maintenance and Testing
  • Mechanical and Visual Inspections
  • Preventive Maintenance Testing
  • Acceptance Testing
  • Testing Techniques
  • General Tests
  • Relays in Substations

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This is a Professional Development Distance Program course. These are open to a start date after you register, not scheduled for a specific date.

We could offer any of our courses at a location of your choice and customized contents according to your needs, please contact us at : inhouse@tlnt-training.com or click here  to submit an online request.

Course Materials

Each participant will receive a complete set of course notes and handouts that will serve as informative references.


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