Industries place significant importance on achieving maximum efficiency, reliability, and longevity of electrical equipment, including motors, variable-speed drives, transformers, generators, rectifiers, inverters, uninterruptible power systems, circuit breakers, fuses, and power station electrical and protective systems. To attain these objectives, it is essential to possess a comprehensive understanding of the equipment's characteristics, selection criteria, common problems, repair techniques, and preventive and predictive maintenance practices.

For individuals involved in the selection, application, or maintenance of electrical equipment, this intensive course is an absolute necessity. It offers the latest advancements in technology and covers essential topics to equip participants with the knowledge and skills required to meet industry standards and optimize the performance of electrical equipment.

Course Objectives:

By the end of the training, participants will be able to:

· Specify, select, install, operate, test, troubleshoot, and maintain various types of electrical equipment such as transformers, motors, variable speed drives, generators, circuit breakers, switchgears, and protective systems.

· Carry out diagnostic testing and inspection, advanced fault detection techniques, critical components, and common failure modes for electrical equipment.

· Apply selection criteria, commissioning requirements, predictive and preventive maintenance, reliability, testing, and cost estimation for electrical equipment.

· Implement the maintenance techniques required to minimize the operating cost and maximize the efficiency, reliability, and longevity of electrical equipment.

Who Should Attend?

This course is intended for Engineers and other Technical Staff, who are involved in the selection, installation, operation, testing, troubleshooting or maintenance of electrical equipment.

Course Outlines:

FUNDAMENTALS OF ELECTRIC SYSTEMS

Capacitors
Current and Resistance
The Magnetic Field
Faraday’s Law of Induction
Lenz’s Law Inductance
Alternating Currents
Three-Phase System

INTRODUCTION TO MACHINERY PRINCIPLES

Electric Machines and Transformers
Common Terms and Principles
The Magnetic Field
Magnetic Behavior of Ferromagnetic Materials
Faraday’s Law – Induced Voltage from a Magnetic Field Changing with Time
Core Loss Values
Permanent Magnets
Production of Induced Force on a Wire
Induced Voltage on a Conductor Moving in a Magnetic Field TRANSFORMERS
Importance of Transformers
Types and Construction of Transformers
The Ideal Transformer
Impedance Transformation Through a Transformer
Analysis of Circuits Containing Ideal Transformers
Theory of Operation of Real Single-Phase Transformers
The Voltage Ratio Across a Transformer
The Magnetizing Current in a Real Transformer
The Dot Convention
The Equivalent Circuit of a Transformer
The Transformer Voltage Regulation and Efficiency
The Autotransformer
Three-Phase Transformers
Transformer Ratings

TRANSFORMER COMPONENTS AND MAINTENANCE

Introduction, Classification of Transformers
Main Components of a Power Transformer
Types and Features of Insulation
Forces
Cause of Transformer Failures
Transformer Oil
Gas Relay and Collection Systems
Relief Devices
Interconnection with the Grid AC MACHINE FUNDAMENTALS
The Rotating Magnetic Field
The Induced Voltage in AC Machines
The Induced Torque in a Three-Phase Machine
Winding Insulation in AC Machines
AC Machine Power Flow and Losses

INDUCTION MOTORS

Induction Motor Construction
Basic Induction Motor Concepts
The Equivalent Circuit of an Induction Motor
Losses and The Power-Flow Diagram
Induction Motor Torque-Speed Characteristics
Control of Motor Characteristics by Squirrel-Cage Rotor Design
Starting Induction Motors

RECAP ➢ Using this course overview, the instructor(s) will brief participants about the topics that were discussed today and advise them of the topics to be discussed tomorrow.

SPEED CONTROL OF INDUCTION MOTORS

Speed Control by Changing the Line Frequency
Speed Control by Changing the Line Voltage
Speed Control by Changing the Rotor Resistance
Solid-State Induction Motor Drives
Motor Protection
The Induction Generator
Induction Motor Ratings

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