Course Description
Maximum efficiency, reliability, and longevity of electrical equipment such as the various types of motors, variable-speed drives, transformers, generators, rectifiers, inverters, uninterruptible power systems, circuit breakers, fuses, power station electrical and protective systems are of great concern to many industries. These objectives can only be achieved by understanding the characteristics, selection criteria, common problems and repair techniques, preventive and predictive maintenance.
This course is a MUST for anyone who is involved in the selection, applications, or maintenance of electrical equipment. It provides the latest in technology. The course covers how this equipment operates and provides guidelines and rules that must be followed for a successful operation. Their basic design, operating characteristics, specification, selection criteria, advanced fault detection techniques, critical components as well as all maintenance issues are covered in detail.
Course Objectives
This course is designed to provide a comprehensive understanding of the various types of motors, variable-speed drives, transformers, generators, rectifiers and inverters, uninterruptible power systems (UPS), circuit breakers, and fuses. Upon the successful completion of this course, participants will be able to specify, select, commission and maintain this equipment for their applications.
Further, participants will have enough knowledge to achieve reduced capital, operating and maintenance costs along with increase in efficiency.
During the duration of this course, participants will:
- Understand diagnostic testing and inspection, advanced fault detection techniques, critical components, and common failure modes.
- Study selection criteria, commissioning requirements, predictive and preventive maintenance, reliability, testing and cost.
- Discover the maintenance required to minimize their operating cost and maximize their efficiency, reliability and longevity.
Course Outlines
Testing, Troubleshooting Principles and Commissioning Guide Of Electrical Equipment
- Introduction
- Basic principles in using a drawing and meter in Troubleshooting circuits
- Checks for circuit continuity with disconnected supply
- Checks for circuit continuity with live supply
- Tests and methods
- Testing devices
- Testing and Commissioning Methods
- Testing and Commissioning Procedures
Maintenance of Particular Types of Electrical Equipment
- Nomo gram for temperature correction
- Test voltages for Commissioning and Maintenance
- Recommended insulation values for equipment
Principles Of Maintenance
- Preventive Maintenance (PM)
- Predictive Maintenance (PdM) / Condition-Based Maintenance (CBM)
- Benefits and impact of maintenance
- Types of Maintenance: Corrective, Preventive, Reactive, Condition Monitoring, Scheduled
Condition Monitoring For Electrical Equipment
- Reliability Centered Maintenance (RCM)
- Partial Discharge
- Insulation Resistance Monitoring
- On-line measuring and monitoring
On-Line Monitoring Of Transformers
- Local Indications
- Thermography
- PDA - Partial Discharge Analysis
- Insulating Oil Properties And Tests
- Dissolved Gas Analysis (DGA)
Earthing Systems
- Equipment and System Earthing
- Types: Unearthed, Solid, Resistance, Reactance
- Neutral Earthing Compensator, Zig Zag Transformers
- Testing earthing electrode resistance
Electrical Control Devices Fundamentals Maintenance and Troubleshooting
- Control Devices, Types & Applications
- Relays: Classifications, Characteristics, Applications, Testing
- Diodes, Thyristors, Transistors
- Power Devices: Rectification, Inverters
- Temperature Control Devices: Thermocouple, RTD, Thermistor
Generator Fundamentals Maintenance, Testing And Troubleshooting
- Principles of AC Generators
- Excitation and Voltage Control
- Diesel generator sets
- Synchronising, Load sharing, Load shedding
- Troubleshooting: No/Low/High/Fluctuating voltage
Motors, Motor Controllers, Motor Starters
- Types of AC Motors
- Induction Motor Principles
- Enclosures and Cooling
- Power, Starting Methods, Power Factor Correction
Circuit Breaker Fundamentals, Maintenance, Service, Testing And Troubleshooting
- Air, Vacuum, SF6, Oil Circuit Breakers
- Fuses
- Trip Circuit Supervision
- Low Voltage Molded Case Breakers
Transformer Fundamentals, Maintenance, Testing And Troubleshooting
- Principles and Construction
- Losses and Efficiency
- Cooling Types
- Polarity, Applications, Accessories
- Maintenance and Inspection
- Testing and Failure Analysis
UPS, Rectifiers, Inverters And Batteries
- UPS Fundamentals
- Rectifiers and Inverters
- Batteries and Charging
- Battery Safety
- Electrolyte Handling