Analytical Troubleshooting Complex Electrical Systems
Online
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May 5 - 9, 2025
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Course Code: 16-0508-ONL25
- Overview
- Syllabus
- Instructor
Overview
This course is held online over 5 days on the following schedule (All times in Eastern Time Zone):
10 am to 6 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
Description
This course offers a comprehensive and systematic approach to mastering the troubleshooting of complex electrical Instrumentation and Control Systems. It is designed to enhance the skills of engineers and technicians by delving into the intricacies of diagnosing and resolving issues within critical electrical systems.
Participants will explore real-world examples from Medium Voltage Substations, learn the ins and outs of Backup Generators and their Excitation Systems, and dissect the complexities of Large Variable Frequency Drives (VFD) and Motors. Additionally, the course covers troubleshooting Uninterruptible Power Supply (UPS) Systems and Battery Banks, which are essential components in maintaining system reliability and uptime.
The curriculum is structured to equip attendees with the knowledge to conduct thorough root-cause investigations and develop effective troubleshooting plans. Participants will learn to identify the underlying causes of system faults or malfunctions and implement corrective actions swiftly and efficiently.
By the end of the course, attendees will have gained a robust understanding of how to approach complex electrical system problems using a methodical troubleshooting process, ensuring they can manage and resolve issues that affect system performance and reliability. This training is essential for those looking to sharpen their problem-solving skills in high-stakes environments where the cost of operational downtime is high.
Who Should Attend
Electrical Engineers and Technologist • Maintenance electricians • Qualified Electricians Lineman• Qualified Testing Personnel • Substation Supervisors • Project Managers
Time: 10:00 AM - 6:00 PM Eastern Time
Please note: You can check other time zones here.
Syllabus
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
Instructor

Dr. Eduard Loiczli is a Senior Electrical Engineer with over 30 years of 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.

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Fee & Credits
$2995 + taxes
- 3.5 Continuing Education Units (CEUs)
- 35 Continuing Professional Development Hours (PDHs/CPDs)
- ECAA Annual Professional Development Points
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