Cost Effective Strategies for the Maintenance of Electrical Power Systems

Electrical equipment is an expensive investment for the electrical industry. The equipment needs to be operated safely to achieve a maximum return on the initial investment.

This requires the equipment to be

• Maintained in a safe  manner
• Operated within an effective management system

The seminar focuses mainly on maintaining electrical equipment for a cost effective solution

Course Objectives

This course is designed to increase the troubleshooting and fault finding diagnostic skills of engineering teams of a modern power system.

Organisational Impact
The seminar will allow delegates to interact and gain shared experiences of others along with

• An understanding for the need for routine inspection and maintenance
• Troubleshooting techniques on various pieces of electrical equipment
• Safe working practices being stressed and observed
• Risk reduction methods investigated

Personal Impact
On successful completion of this course delegate will be able to understand

• The need for routine inspection, adequate maintenance of equipment and accurate record keeping
• Methods of maintenance management, using safe systems of work
• How to co-ordinate maintenance activities for best utilization of time and resources, while ensuring safety is not compromised
• Switchgear maintenance requirements and troubleshooting techniques.
• Transformer maintenance requirements and troubleshooting techniques
• Cable installation and troubleshooting techniques
• The use of non-intrusive condition monitoring methods

Who Should Attend?

• Electrical Professionals
• Electrical Engineers
• Electrical Supervisors
• Technicians
• Professionals responsible for the operation and maintenance techniques

Course Outline

Module 1 - Introductions and Safety

• Pre course assessment
• Goals and discussion
• Types of fault and factors affecting fault levels
• Maintenance of electrical equipment
• Managing maintenance
• Safety
• Balanced and unbalanced faults
• Safe working practices
• Safe isolation procedure’s

Module 2 - Maintenance of Electrical Equipment

• Electrical systems and components
• Fault identification
• Circuit breakers and capacities
• Earthing introduction
• Network earthing
• Earthing systems
• Earth bonding

Module 3 - Maintenance Engineering

• Predictive Maintenance
• Preventative Maintenance
• Reactive Maintenance and Troubleshooting
• Condition monitoring
• Electrical Testing for Troubleshooting
• Transformer maintenance
• Generator maintenance

Module 4 - Electrical Equipment: Troubleshooting and Maintenance

• Transformer components and trouble shooting
• Maintenance of electric motors
• Power electronics and Pulse width modulation invertors
• AC Machine components and problem solving
• Synchronous Generators
• Generator maintenance and trouble shooting
• Variable speed drives

Module 5 - Cabling

• Cable fault locating
• External influences
• Compatibility of equipment
• SCADA (supervisory control and data acquisition)
• Post course assessment

Module 6 - Introductions and Safety

• Pre course assessment
• Goals and discussion
• Safety precautions when fault finding
• Issues around live working
• Test equipment
• Personal Safety
• Fault finding ‘Method A’ for all generators separately exciting with a battery
• Self excited control system test ‘method B’  fault symptoms and remedies at no load

Module 7 - Protective systems of Electrical Equipment

• External influences
• Compatibility of electrical equipment
• Maintainability of electrical equipment
• Concepts of protective system protection
• Power system protection equipment
• Statutory requirements for safe working practices when fault finding
• Electrical systems and components
• Fault identification
• Protective devices and capacities

Module 8 - Maintenance Engineering

• The possible reduction/requirement of fault finding by the use of Predictive Maintenance
• Electrical testing on Transformers for fault finding
• Electrical testing on Generators for fault finding
• Electric shock and potential fault energy levels
• Fault Management

Module 9 - Switchgear

• Competence of Engineers carrying out maintenance activities
• Competence of Engineers carrying out faultfinding activities
• Overview of switchgear faultfinding and testing
• Overview of transformer faultfinding and testing
• Properties and deterioration of insulating oils in an Electric power transformer
• Thermal imaging
• HV cable insulation testing and fault finding

Module 10 - Test equipment and protection

• LV test equipment
• HV test equipment
• Differential protection
• Required Documentation

Course Methodology

A variety of methodologies will be used during the course that includes:

• (30%) Based on Case Studies
• (30%) Techniques
• (30%) Role Play
• (10%) Concepts
• Pre-test and Post-test
• Variety of Learning Methods
• Lectures
• Case Studies and Self Questionaires
• Group Work
• Discussion
• Presentation

Course Fees

This rate includes participant’s manual, Hand-Outs, buffet lunch, coffee/tea on arrival, morning & afternoon of each day.

Course Timings

Daily Course Timings
08:00 - 08:20       Morning Coffee / Tea
08:20 - 10:00       First Session
10:00 - 10:20       Coffee / Tea / Snacks
10:20 - 12:20       Second Session
12:20 - 13:30       Lunch Break & Prayer Break
13:30 - 15:00       Last Session