Power Systems Troubleshooting Course

Course Overview:

This course provides participants with tools and techniques for diagnosing and repairing electrical circuits and equipment. 

Attendees will be taught the usage of tools such as voltmeters, meggers, and series ohmmeters, as well as wiring, terminal markings and circuit assembly. 

The course includes such topics as diagnostics of AC/ DC motors, their starters, generators, transformers, variable speed drives. Participants will also learn about fault diagnosis with the help of SCADA systems and automation. 

This course is mainly designed for professionals in the power area so, it focuses on practical aspects of installing and maintaining electrical equipment ensuring its trouble-free and efficient operation.

Course Objectives:

• Upon the successful completion of this course, participants will be able to:
• Apply  various troubleshooting methods and procedures related to accurate wiring of circuits and connections
• Discuss the different troubleshooting instruments and tools associated with electrical equipment such as voltmeter, series ohmmeter, megger, and etc
• Characterize several devices, symbols, and circuits in accordance with wires and terminal numbering
• Recognize the aspects of three-phase motor starters through magnetic overload relay and typical starting methods
• Employ various procedures for troubleshooting AC motors and starters in line with motor terminal identification and connection diagram
• Determine the process for troubleshooting direct current machines such as a direct current generator, right-hand rule, electric generators, and motors
• Discuss the power electronic components through several troubleshooting variable speed drives
• Identify the methods of troubleshooting switches, circuit breakers, and switchboards according to overloads and fault protection
• Implement the different procedures for troubleshooting control circuits and become aware of the element of ladder logic circuits

Who Should Attend?

This course is suitable for electrical power managers, engineers, superintendents, supervisors, foremen, technicians and those who are involved in the design, engineering, operation, maintenance and control of the electric power system or anyone interested in obtaining a working knowledge and skill on troubleshooting electrical equipment and control circuits.

Course Outlines:

Introduction to Power System Troubleshooting

• Definitions
• Importance of maintenance and troubleshooting
• Reliability Considerations
• Economy Considerations
• Policies of utility
• Procedure for proper troubleshooting 

Power system fault diagnosis and analysis

• Utility requirements for fault analysis
• Fault recording equipment : sequence of events recorders
• Digital fault records
• Fault diagnosis using SCADA system
• Automated fault analysis using intelligent Techniques

Power Transformer maintenance & Troubleshooting

• Theory operation
• Construction
• Instillation
• Operation & Maintenance
• Principle of transformer connections
• Cooling Methods
• Tape changers
• Other transformer Types
• Checklist for Inspection
• Testing & Troubleshooting
• Problem Associated with Measuring transformer ( CVT's )
• Inrush Current Phenomena
• Ferro – resonance Phenomena

Generators Troubleshooting

Generators:

• How they work
• General maintenance
• Troubleshooting Operating Problems
• No Output : Armature Type
• No Output : alternator type with pressure
• No Output : brushless alternator type
• Disassembly and bearing replacement

Motors Troubleshooting

Maintenance of Ac & DC motors

Troubleshooting of AC Motors:

• Motor will not Start or Motor Accelerates too Slowly
• Motor Runs Noisy
• Motor Overheats
• Motor Bearing Run hot or noisy
• Effect of Supply harmonics on Motor Performance

Troubleshooting of DC Motors:

• Motor will not Start or
• Overheats
• Runs to slowly
• Runs to fast
• Runs noisy
• Bearing run hot or noisy
• Variable speed Technology ( VST )
• Analysis of control circuit
• Maintenance control equipment
• Troubleshooting control circuit
• Measurement
• Installation troubleshooting testing and maintenance
• Batteries troubleshooting
• Loss prevention
• Distribution system