Electrical Maintenance, Testing, Inspection and Risk Assessment Course
Electrical and Power Engineering
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Electrical Maintenance, Testing, Inspection and Risk Assessment Course
Course Overview:
This course intends to give participants relevant expertise and in-depth understanding of the maintaining, testing and diagnosing of electrical systems.
The principles of maintenance, condition monitoring, testing, and safety practices, alongside dedicated sections of generators, motors, transformers, and circuit breakers, are included.
They will be trained in predictive maintenance, insulation checking, earthing systems and risk assessment to ensure safety, reliability and efficiency of equipment’s operations.
This course would be appropriate as top up training for electrical engineers, supervisors and technicians since it integrates academic and hands on aspects to enhance equipment performance and cut down business costs.
Course Objectives:
Participants attending this program will:
Return to their respective organizations equipped with new or refreshed skills to ensure that electrical equipment is inspected, tested, and operated in safe and a fashion that ensures reduced costs. On successful completion of this course, participants will have:
- A better understanding of maintenance purposes and types.
- A better understanding of inspection and testing methods
- Understand the principles of risk assessment and be able to apply these to the formulation of an appropriate policy for the maintenance of electrical equipment.
- Know the types of construction of electrical equipment for preventing electric shock and the hazards that can arise from defective equipment
- A better understanding of the updated electrical condition monitoring.
Who Should Attend?
This course is intended for Electrical Engineers, Electrical Supervisors, and Electrical Technicians engaged in the maintenance, inspection, and testing of Electrical Equipment. Because the methods and examples are generic, personnel from all industries will benefit. Participants require a good understanding of electricity and magnetism and possess some relevant experience.
Course Outlines:
Principles Of Maintenance
- Preventive Maintenance (PM)
- Basics
- Elements
- Predictive Maintenance(PdM) (Condition-Based Maintenance) (CBM )
- The Basic Concept of Predictive Maintenance
- Benefits of Predictive Maintenance
- Impact of Maintenance
- Role of maintenance organization
- Types of Maintenance
- Maintenance Improvement
- Corrective Maintenance
- Preventive Maintenance
- Reactive Maintenance
- Condition Monitoring
- Scheduled Maintenance
Maintenance Scheduling For Electrical Equipment
- Introduction
- Maintenance and Test Procedures
- General.
- Infrared Scanning
- Fault and Load Flow Studies/Equipment Ratings
- Electrical Equipment Monitoring
- Maintenance Schedules and Documentation.
- Electrical equipment maintenance schedule (Transformers, Generators, Power Cables, Batteries and Battery Chargers,..)
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
Condition Monitoring For Electrical Equipment
- Approaches Based On Mathematical Models
- Reliability Centered Maintenance (RCM)
- Condition Based Maintenance (CBM)
- Partial Discharge
- Insulation Resistance Monitoring
- Insulation resistance test (IR)
- Megger test
- Polarization index test
- Dc hi-pot test
- Measuring insulation degradation
- Insulation power factor
- On line measuring partial discharge activity for insulation
- On-Line Monitoring Of Transformers
- Local Indications
- Thermography
- PDA - Partial Discharge Analysis
- Insulating Oil Properties And Tests
- Test for Dielectric Strength
- Water Content in Oil
- Acidity Test (Neutralization Number)
- Oxidation Inhibitor
- Interfacial Tension Test (IFT)
- Oil Color
- Oil Power Factor Test
- Insulating Oil Dissolved Gas Analysis (DGA)
- Understanding cable thermal behavior after installation
- Optical cable Temperature Monitoring
Earthing Systems
- Introduction
- Equipment Earthing
- System Earthing
- Unearthed systems
- Solid earthing
- Resistance earthing
- Reactance earthing
- Classification Of Supply / Installation System Earthing
- Earthing Via Neutral Earthing Compensator
- Distribution transformers
- Zig Zag transformers
- Comparison of Methods (Advantages/Disadvantages)
- Evaluation of earthing methods
Safety And Risk Assessment
- Touch And Step Voltage
- Effect of electric shock on human beings
- Electric shock and sensitive earth leakage protection
- Sensitive earth leakage protection
- Arc Flash
- Risk assessment principals
- How to assess the risks in your workplace?
- How to conduct risk assessment?
- Risk assessment Job Briefing and Planning Checklist
- Case Studies
Generator Fundamentals Maintenance ,Testing And Trouble Shooting
- Principles of Generators
- AC Generators
- Generator Excitation And Voltage Control
- Diesel Generator Sets
- Synchronising Of Generators
- Load Sharing
- Load Shedding
- Preventative Maintenance
- Trouble Shooting
- General Procedure
- Generator Does Not Produce Voltage
- Generator Produce Low Voltage
- Generator Produce High Voltage
- Generator Voltage Fluctuating
- Fault analysis for Generator Control Circuit
Motors, Motor Controller, Motor Starters Fundamentals, Maintenance And Troubleshooting
- Fundamentals
- Types of A.C Electric Motors
- Principles of Operation of the Induction Motor
- Enclosures and Cooling
- Power For Induction Motors
- Starting Of Induction Motors
- Motor Operation at Reduced Voltage
- Power Factor Correction
- Motor Testing
- Motor Failures
Circuit Breaker Fundamentals, Maintenance, Service ,Testing And Troubleshooting
- Fundamentals
- Air Circuit Breakers.
- Vacuum Circuit Breaker
- SF6 Circuit breaker
- Oil Circuit Breaker Ratings
- Fuses
- Trip Circuit Supervision
- Circuit-Breaker Control
- Low Voltage Molded Case Current Limiting Circuit Breakers
- HV Circuit Breakers Maintenance
- H.V Circuit-Breakers Tests
- Low voltage Circuit Breaker Maintenance
Transformer Fundamentals, Maintenance, Testing And Troubleshooting
- Principles of Transformers
- Saturation Curve & Voltage Ratio of Transformers
- Current Ratio & Impedance of Transformers
- Transformer Construction
- Transformer losses and efficiency
- Transformer Cooling & Types
- Transformer Polarity
- Transformer Applications
- Transformer Accessories
- Maintaining Transformers
- Preventative Maintenance
- Transformer Inspection
- Transformer Liquids
- Dielectric Test
- General Testing
- Other Important Tests
- Transformer Failure
- Disassembly for Inspection
- Common Transformer Abnormalities
- Transformer Oil Tests
- Fault Analysis
UPS, Rectifiers, Inverters And Batteries Fundamentals Maintenance ,Testing And Troubleshooting
- UPS Fundamentals
- Rectifications & Inverters
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