Analytical Troubleshooting Complex Electrical Systems

Online /
Apr 24 - 28, 2023 /
Course Code: 13-0406-ONL23

The confirmation of this course depends on early registration; Register early to avoid the postponement or cancellation of a course.
  • Overview
  • Syllabus
  • Instructor


Please note, This instructor-led course has specific dates and times:
This course is held online over 5 days on the following schedule (All times in Eastern Time Zone):

9:30 am to 5:30 pm Eastern (Will include the usual breaks)

After participating in this course, you will be able to:

  • Understand the functions of the major electrical equipment
  • Understand and setup a typical troubleshooting Plan for a complex installation
  • Perform root cause investigation of a fault event in an electrical complex system
  • Write a Corrective Action Plan to fix an Electrical System after a fault
  • Coordinate the troubleshooting activity of an electrical system after a fault
  • Understand the importance of maintenance and testing of the electrical equipment

This course will demonstrate the most efficient systematic approach to troubleshooting complex electrical systems. Medium Voltage Substation examples, Backup Generators Excitation Systems; Large VFD and Motors; UPS Systems and Battery Banks are considered.

Course Outline:

  • Introduction to Troubleshooting
  • Example of inductive and deductive process for fault identification
  • Major equipment in electrical systems
  • Role of predictive and preventive maintenance, and examples
  • A systematic approach to troubleshooting example for a dry Power Transformer
  • Corrective action plans, with an example for an oil-cooled substation transformer failure
  • Root cause investigation of a backup generator failure
  • A systematic approach to a technical problem, example of a circuit breaker failure
  • Troubleshooting plan following pre-established procedure for the medium voltage induction motor failures
  • Hands-on example of retrieving the fault type and location from a GE protection relay

Who Should Attend:
Electrical Engineers and Technologist • Maintenance electricians • Qualified Electricians Lineman• Qualified Testing Personnel • Substation Supervisors • Project Managers

More Information

Time: 9:30 AM - 5:30 PM Eastern Time

Please note: You can check other time zones here.


Day One

  • Introduction to Troubleshooting
  • Example of the inductive and deductive process for fault identification
  • Typical Instrumentation and Testers for troubleshooting
  • Type of faults in electrical systems
  • Types of Disturbance in Electrical Systems
  • Major Equipment in Electrical Systems
  • Medium Voltage Switching Equipment
  • Rating of power switching equipment and enclosures
  • Grounding Systems for Power Transformers; Generators and Motors
  • Off-Line Monitoring Systems and Procedures
  • On-Line Monitoring of the Systems for the Major Equipment

Day Two

  • Role of Predictive and Preventive maintenance, and examples
  • Routine System Walk down and data collection
  • Remote monitoring and trending role of System Engineers
  • Major Events and Implications of the equipment failure
  • Field data gathering in case of equipment fault
  • Emergency Response Team
  • Abnormal Operation Procedures
  • A systematic approach to troubleshooting example for a dry Power Transformer
  • Typical Instrumentation for insulation testing
  • Root Cause Investigation for an Oil-Cooled Power Transformer Fault
  • Insulation Test
  • DGA for an Oil Cooled Transformer
  • Power restoration in a Breaker and a half substation after a Power Transfer Fault

Day Three

  • Field Data gathering In case of an Event, for a Large fault of a UPS
  • Typical Equipment with Data Logger capability, Circuit Breakers; UPS; PLC
  • Analytical Calculation Example of short circuit in a substation using EASY POWER
  • Evaluation of the ARC FLASH in Medium Voltage Systems
  • Supplementary Protection for Medium Voltage Substations
  • SCADA and remote annunciation for fast reaction in case of an event
  • Corrective Action Plans, with an example for an Oil Cooled Substation Transformer Failure
  • Testing and Validation for Available for Service Declaration
  • First Energization Procedure after a Power Failure
  • Root Cause Investigation of a Backup Generator Failure
  • Troubleshooting Plan for a Backup Generator Failure
  • Fault propagation and the role of Generator Synchronization
  • Power Restoration Plan after Blackout
  • Importance of the Spare Parts 

Day Four

  • Safety and Safe work area, Grounding and bonding of the equipment
  • Preparation for Field Testing, an example of a high impedance connection in a buss bar
  • Coordination and annunciation with other teams
  • Systematic Approach to a technical problem, an example of a Circuit Breaker Failure
  • Root Cause Investigation of an ARC FLASH in a medium voltage Induction Motor, failure mechanisms
  • The systematic approach of troubleshooting for a Medium Voltage VFD
  • Chargers and SCR Control typical faults and troubleshooting
  • DC Bus Capacitors' typical Faults and troubleshooting
  • Inverter IGBT and control typical faults and troubleshooting
  • Typical Drive Input and Output Filter failures and troubleshooting
  • Troubleshooting Plan following Pre Established Procedure for the medium voltage Induction Motor failures

Day Five

  • Hands-on example of retrieving the fault type and location from a GE Protection Relay
  • Deductive and inductive thinking for the GE Relay Protection example
  • Study of the relay protection coordination as part of the troubleshooting PLAN
  • Hands-On Example for using PLC Programming for identification of a FAULT
  • Example of a UPS & Battery troubleshooting in case of a catastrophic failure
  • NOMAX insulation failure modes, in case of a foreign material intrusion in the windings of a power transformer.
  • Effect of Harmonics, EMI and Interference on the Electrical Equipment
  • Equipment Aging and Overload Condition, IEEE Standard for Overloading a Power Transformer 
  • Q&A


Eduard Loiczli, P.Eng.

Dr. Eduard Loiczli is a Senior Electrical Engineer with over 30 years’ experience in motors and drives. His most outstanding contributions are related to the development of a High Speed Magnetic Levitation System; Vector Control System for Streetcars and Subways; and Medium Voltage 4.16Kv Drive for up to 4.5MW Induction Motor.

The Engineering Institute of Canada

We always want to improve the quality of our courses. Please select any reasons why you feel this course is inadequate (check all that apply).

Please check this box:
Course Rating

We currently do not have enough attendee responses to generate a rating for this course.

Fee & Credits

$2995 + taxes

  • 3.5 Continuing Education Units (CEUs)
  • 35 Professional Development Hours (PDHs)
  • ECAA Annual Professional Development Points

Group Training
This course can be customized and delivered to your group of staff at your facility, saving time and money.
Sign-up for our newsletter
Canada Job Grant
The cost of this course could be covered by Canada Job Grant.

Your company may be eligible for funding! LEARN MORE