Electrical Equipment Control & Monitoring System

Upon completing this course successfully, participants will be able to:
• Identify, select, install, operate, test, troubleshoot and sustain various types of electrical equipment
• Understand the testing process
• Perform investigative testing and inspection of critical components and identify common points of failure for electrical equipment
• Plan and prepare for testing
• Perform on load and offloads tests
• Employ calculated selection criteria for commissioning prerequisites, prognostic and pre-emptive maintenance, and cost estimation for electrical equipment
• Bear in mind safety aspects during testing
• Execute maintenance techniques required to minimise operating cost and maximise the productivity, reliability and durability of electrical equipment
Course Content:
ESSENTIALS OF ELECTRIC SYSTEMS
• Current and Resistance
• The Magnetic Field
• Capacitors
• Inductance
• Faraday’s Law of Induction
• Lenz’s Law
• Alternating Currents
• Three-Phase System
INTRODUCTION TO MACHINERY PRINCIPLES
• Electric Machines and Transformers
• Common Terms and Principles
• Core Loss Values
• Permanent Magnets
• Production of Induced Force on a Wire
• The Magnetic Field

TRANSFORMERS
• Introduction, Classification of Transformers
• Importance of Transformers
• Types and Construction of Transformers
• Analysis of Circuits Containing Ideal Transformers
• The Voltage Ratio Across a Transformer
• The Magnetizing Current in a Real Transformer
• The Dot Convention
• Cause of Transformer Failures
• Transformer Ratings
• The Equivalent Circuit of a Transformer
• The Autotransformer
• Three-Phase Transformers
• Types and Features of Insulation
• 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 Concepts
• Starting Induction Motor
• The Equivalent Circuit of an Induction Motor
• Induction Motor Construction
• Losses and The Power-Flow Diagram
• Induction Motor Torque-Speed Characteristics
CONTROL OF INDUCTION MOTORS
• Speed Control by Changing the Line Frequency
• Speed Control by Changing the Rotor Resistance
• Speed Control by Changing the Line Voltage
• The Induction Generator
• Induction Motor Ratings
• Solid-State Induction Motor Drives
• Motor Protection

MAINTENANCE OF MOTORS
• Refurbishment of AC Induction Motors
• Enclosures and Cooling Methods
• Characteristics of Motors
• Diagnostic Testing for Motors
• Design Characteristics
• Insulation of AC Motors
• Failures in Three-Phase Stator Windings
• Application Data
• Predictive Maintenance
• Motor Troubleshooting
• Failures in Three-Phase Stator Windings

POWER ELECTRONICS, RECTIFIERS AND PULSE-WIDTH MODULATION INVERTERS
• Introduction to Power Electronics
• Power Electronics Components
• Basic Rectifier Circuits
• Filtering Rectifier Output
• Pulse Circuits
• A Relaxation Oscillator Using a PNPN Diode
• Pulse Synchronization
• Inverters

VARIABLE SPEED DRIVES
• Input Power Converter (Rectifier)
• Inverters
• DC Link Energy
• Basic Principles of AC Variable Speed Drives
• Regeneration
• Transients
• Harmonics Power Factor and Failures
• Thyristor Failures and Testing
• AC Drive Application Issues
• Motor Bearing Currents
• Summary of Application Rules for AC Drives
• AC Power Factor
• IGBT Switching Transients
• PWM-2 Considerations
• Cabling Details for AC Drives
• Cable

SYNCHRONOUS MACHINES
• Physical Description
• Pole Pitch: Electrical Degrees
• 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 and Phasor Diagram of a Synchronous Generator
• Power and Torque in Synchronous Generators
• The Synchronous Generator Operating Alone
• Parallel Operation of AC Generators
• Synchronous Generator Ratings
• Synchronous Generator Capability Curves
• Short-Time Operation and Service Factor

GENERATOR INSPECTION AND MAINTENANCE
• On-Load Maintenance and Monitoring
• Off-Load Maintenance
• Generator Testing

GENERATOR OPERATIONAL PROBLEMS, AND REFURBISHMENT OPTIONS
• Typical
• Generator Rotor Modifications
• Upgrades and Updates
• High-Speed Balancing
• Flux Probe Test
VIBRATION ANALYSIS
• Resonance
• Logarithms and Decibels
• The Use of Filtering
• Vibration Instrumentation
• The Application of Sine Waves to Vibration
• Multi-mass Systems
• Time Domain
• Frequency Domain
• Machinery Example
• Vibration Analysis
• Resonant Frequency
• Vibration Severity

POWER STATION ELECTRICAL SYSTEMS AND DESIGN REQUIREMENTS
• Introduction
• System Requirements
• Electrical System Description
• System Performance
• Power Plant Outages and Faults
• Uninterruptible Power Supply (UPS) Systems
• DC Systems

POWER STATION PROTECTIVE SYSTEMS
• Introduction
• Generator Protection
• Design Criteria
• DC Tripping Systems

Methodology
The training methodology integrates lectures, interactive discussions, collaborative group exercises, and illustrative examples. Participants will acquire a blend of theoretical insights and hands-on practical experience, emphasizing the application of learned techniques. This approach ensures that attendees return to their professional environments equipped with both the competence and self-assurance to effectively implement the acquired skills in their responsibilities.

DATE:

1ST BATCH:        11th – 14th Feb, 2025    

2ND BATCH:       22nd – 25th July, 2025