Course Objectives

• Identify the function and operation of the electrical equipment.
• Identify components of a successful electrical preventive maintenance program.
• Determine the Personal Protective Equipment (PPE) requirements for electrical troubleshooting.
• Safely and correctly verify a circuit is de-energized.
• Distinguish between the different types of electrical maintenance.
• Perform proper maintenance on substations Equipment.
• Identify different types of transformers.
• Perform proper maintenance on transformers.
• Identify and perform proper maintenance on H.V. Switchgear and Underground Cables 
• Observe power quality problems and troubleshooting techniques for facility distribution systems and three-phase loads.
• Be ready to read and interpret electrical diagrams.

Course Outline

• Overview of Electrical Systems.
• Basic Elements of Electrical Generation, Transmission & Distribution systems.
• Introduction to engineering maintenance

• Background
• Maintenance and Maintenance Engineering Objectives
• Maintenance Facts and Figures
• Engineering Maintenance in the 21st Century
• Maintenance Terms and Definitions

• Preventive Maintenance
• Preventive Maintenance Elements, Plant Characteristics in Need of a PM
• Program, and a Principle for Selecting Items for PM
• Important Steps for Establishing a PM Program
• PM Measures
• Mean Preventive Maintenance Time (MPMT)
• Median Preventive Maintenance Time (MDPMT)
• Maximum Preventive Maintenance Time (MXPMT)
• PM Models
• PM Advantages and Disadvantages
• Engineering Services For Substations
• Content & Subdivision of Engineering Services
• Continuous Operation Readiness of E. Equipment
• The Equipment Technical State
• Technical Maintenance of Equipment
• Maintenance Main Activities
• Factors Affecting Maintenance Planning
• Transformer Construction, Operation and Maintenance
• Safe areas.
• Insulating Media
• Electrical Bushings
• Load Tap Changers
• Loading and Thermal Performance
• Transformer Connections
• Transformer Testing
• Load-Tap-Change Control and Transformer Paralleling
• Power Transformer Protection
• Transient-Voltage Response
• Transformer Installation and Maintenance
• Problem and Failure Investigation
• On-Line Monitoring of Liquid-Immersed Transformers
• H.V. Switchgear and Underground Cables.

• H.V. Switchgear Installations
• Power Circuit breakers
• Construction and Operation of Typical C.B.
• Circuit Breakers Maintenance, Inspection And Service
• Testing of High Voltage A.C. Circuit-Breakers
• Circuit Breaker Performance
• Cable Types
• Conductor and Insulating Materials
• Typical Constructions of UC
• Cables Joints
• Cable Maintenance

• Troubleshooting Of Three Phase System
•  Identify and Repair Short Circuits Faults.
•  Locate and Fix Ground Faults.
• Testing and Troubleshooting of Magnetic and Control Devices.
• Using Electrical Troubleshooting Charts.
•  Troubleshoot and Repair Control Circuits and Magnetic Devices.
• Reading Electrical Diagrams
• American Standard Graphic Electrical Wiring Symbols.
• Wiring Diagram Examples.
•  Identify Color Coding

Who Can Benefit?

• The course curriculum is designed Especially for Electric Power Engineers, Plant Engineers, Apprentice Electricians, Journeyman Electricians, Maintenance Technicians, Supervisors, and Inspectors