TRAINING.

Overview

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 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

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

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.