This seminar is necessary for anyone who is involved in the selection, applications, or maintenance of electrical equipment.

This interactive Training will be highly interactive, with opportunities to advance your opinions and ideas and will include;

• • Lectures
  • Workshop & Work Presentation
  • Case Studies and Practical Exercise
  • Videos and General Discussions

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 

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 

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 

Power Electronics, Rectifiers and Pulse-Width Modulation Inverters

• Introduction to Power Electronics 
• Power Electronics Components 
• Power and Speed Comparison of Power Electronic Components 
• Basic Rectifier Circuits 
• Filtering Rectifier Output 
• Pulse Circuits 
• A Relaxation Oscillator Using a PNPN Diode 
• Pulse Synchronisation 
• Voltage Variation By AC Phase Control 
• The Effect of Inductive Loads on Phase Angle Control 
• Inverters 

Synchronous Machines

• Physical Description 
• Pole Pitch: Electrical Degrees 
• Airgap and Magnetic Circuit of a Synchronous Machine 
• Synchronous Machine Windings 
• Field Excitation 
• No-Load and Short-Circuit Values 
• Torque Tests 
• Excitation of a Synchronous Machine 
• Machine Losses 

Synchronous Generators

• Synchronous Generator Construction 
• The Speed of Rotation of A Synchronous Generator 
• The Internal Generated Voltage of a Synchronous Generator 
• The Equivalent Circuit of a Synchronous Generator 
• The Phasor Diagram of a Synchronous Generator 
• Power and Torque in Synchronous Generators 
• The Synchronous Generator Operating Alone 
• Parallel Operation of AC Generators 
• Operation of Generators in Parallel With Large Power Systems 
• Synchronous Generator Ratings 
• Synchronous Generator Capability Curves 
• Short-Time Operation and Service Factor 

Generator Components, Auxiliaries and Excitation

• Introduction 
• The Rotor 
• Turbine-Generator Components: The Stator 
• Cooling Systems 
• Shaft Seals and Seal Oil Systems 
• Stator Winding Water Cooling Systems 
• Other Cooling Systems 
• Excitation 
• The Voltage Regulator 
• The Power System Stabilizer 
• Characteristics of Generator Exciter Power Systems (GEP) 
• Generator Operation 

Generator Main Connections

• Introduction 
• Isolated Phase Bus Bar Circulatory Currents 
• System Description 

Performance and Operation of Generators

• Generator Systems 
• Condition Monitoring 
• Operational Limitations 
• Fault Conditions 

Generator Surveillance and Testing

• Generator Operational Checks (Surveillance and Monitoring) 
• Generator Diagnostic Testing 
• 0 Insulation Resistance and Polarization Index 
• 0 DC Hipot Test 
• Partial Discharge Tests 
• Low Core Flux Test (EL-CID) 
• Mechanical Tests 
• Groundwall Insulation 
• Rotor Winding 
• Turn Insulation 
• Slow Wedges and Bracing 
• Stator and Rotor Cores 

Generator Inspection and Maintenance

• On-Load Maintenance and Monitoring 
• Off-Load Maintenance 
• Generator Testing 

Generator Operational Problems, and Refurbishment Options

• Typical Generator Operational Problems 
• Generator Rotor Reliability and Life Expectancy 
• Generator Rotor Refurbishment 
• Types of Insulation 
• Generator Rotor Modifications, Upgrades and Uprates 
• High Speed Balancing 
• Flux Probe Test 

Circuit Breakers

• Theory of Circuit Interruption 
• 0 Physics of Arc Phenomena 
• 0 Circuit Breaker Rating 
• 0 Conventional Circuit Breakers 
• 0 Methods for Increasing Arc Resistance 
• 0 Plain Break Type 
• 0 Magnetic Blow-out Type 
• Arc Splitter Type 
• Application 
• Oil Circuit Breakers 
• Recent Developments in Circuit Breakers 

Fuses

• Bearings And Lubrication 
• Types of Bearings 
• Statistical Nature of Bearing Life 
• Materials and Finish 
• 0 Sizes of Bearings 
• 0 Types of Roller Bearings 
• 0 Thrust Bearings 
• 0 Lubrication 

BTS attendance certificate will be issued to all attendees completing minimum of 80% of the total course duration

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