ee119: electrical maintenance, testing, inspection and...
TRANSCRIPT
EE119 Rev.001 CMCT COURSE OUTLINE Page 1 of 7
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EE119: Electrical Maintenance,
Testing, Inspection and Risk Assessment
EE119 Rev.001 CMCT COURSE OUTLINE Page 2 of 7
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Training Description:
To successfully inspect and test electrical equipment, Electrical personnel must first fully understand the technology of the electrical equipment. After the successful start-up and subsequent continued operation, electrical equipment requires periodic inspection and testing.
This will ensure the electrical equipment operates correctly so that production is maximized in a safe, cost effective and efficient manner.
Delegates are encouraged to raise queries both during and at any time after attending the course and are also asked to bring with them any technical issues that they may have.
Training Objective:
By the end of the training, participants will be able to: 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
Have a better understanding of maintenance purposes and types Have 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 Have a better understanding of the updated electrical condition monitoring Have a better understanding of troubleshooting procedures Improve their capability in testing equipment Have a better understanding of safety issues Have a refreshed outlook on reading electrical drawings
Training Designed for:
This course is intended for all 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.
Training Program:
DAY ONE:
PRE-TEST Introduction Principles of Maintenance
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Preventive Maintenance (PM)
o Basics o Elements
Predictive Maintenance(PdM) (Condition-Based Maintenance) (CBM) o The Basic Concept of Predictive Maintenance o Benefits of Predictive Maintenance
Impact of Maintenance o Role of maintenance organization o Types of Maintenance
o Maintenance Improvement o Corrective Maintenance o Preventive Maintenance o Reactive Maintenance o Condition Monitoring o Scheduled Maintenance
Maintenance Scheduling for Electrical Equipment
Introduction
Maintenance and Test Procedures o General o Infrared Scanning o Fault and Load Flow Studies/Equipment Ratings o Electrical Equipment Monitoring o Maintenance Schedules and Documentation
Electrical equipment maintenance schedules (Transformers, Generators, Power Cables, Batteries and Battery Chargers.)
DAY TWO: 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 o Reliability Centered Maintenance (RCM) o Condition Based Maintenance (CBM)
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o Partial Discharge
Insulation Resistance Monitoring o Insulation resistance test (IR) o Megger test o Polarization index test o Dc hi-pot test o Measuring insulation degradation o Insulation power factor o On line measuring partial discharge activity for insulation
On-Line Monitoring of Transformers o Local Indications o Thermography o PDA - Partial Discharge Analysis o Insulating Oil Properties and Tests
o Test for Dielectric Strength o Water Content in Oil o Acidity Test (Neutralization Number) o Oxidation Inhibitor o Interfacial Tension Test (IFT) o Oil Color o Oil Power Factor Test o Insulating Oil Dissolved Gas Analysis (DGA)
Understanding cable thermal behavior after installation o Optical cable Temperature Monitoring
DAY THREE:
Earthing Systems
Introduction
Equipment Earthing
System Earthing o Unearthed systems o Solid earthing o Resistance earthing o Reactance earthing
Classification of Supply / Installation System Earthing
Earthing Via Neutral Earthing Compensator o Distribution transformers o Zig Zag transformers
Comparison of Methods (Advantages/Disadvantages) o Evaluation of earthing methods
Safety and Risk Assessment
Touch and Step Voltage
Effect of electric shock on human beings
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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
DAY FOUR: Generator Fundamentals Maintenance, Testing And Trouble Shooting
Principles of Generators o AC Generators o GENERATOR EXCITATION AND VOLTAGE CONTROL o DIESEL GENERATOR SETS o SYNCHRONISING OF GENERATORS o LOAD SHARING o LOAD SHEDDING
Preventative Maintenance
Trouble Shooting o General Procedure o Generator Does Not Produce Voltage o Generator Produce Low Voltage o Generator Produce High Voltage o Generator Voltage Fluctuating
Fault analysis for Generator Control Circuit Motors, Motor Controller, Motor Starters Fundamentals, Maintenance and Troubleshooting
o Fundamentals o Types of A.C Electric Motors o Principles of Operation of the Induction Motor o Enclosures and Cooling o POWER FOR INDUCTION MOTORS o STARTING OF INDUCTION MOTORS o Motor Operation at Reduced Voltage o Power Factor Correction
o Motor Testing o Motor Failures
DAY FIVE:
Circuit Breaker Fundamentals, Maintenance, Service, Testing and Troubleshooting
Fundamentals o Air Circuit Breakers. o Vacuum Circuit Breaker o SF6 Circuit breaker
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o Oil Circuit Breaker Ratings o Fuses o Trip Circuit Supervision o Circuit-Breaker Control o Low Voltage Molded Case Current Limiting Circuit Breakers
HV Circuit Breakers Maintenance
HV Circuit-Breakers Tests
Low voltage Circuit Breaker Maintenance Transformer Fundamentals, Maintenance, Testing and Troubleshooting
Principles of Transformers o Saturation Curve & Voltage Ratio of Transformers o Current Ratio & Impedance of Transformers o Transformer Construction o Transformer losses and efficiency o Transformer Cooling & Types o Transformer Polarity o Transformer Applications o Transformer Accessories o Maintaining Transformers
Preventative Maintenance o Transformer Inspection o Transformer Liquids o Dielectric Test o General Testing o Other Important Tests o Transformer Failure o Disassembly for Inspection
Common Transformer Abnormalities
Transformer Oil Tests
Fault Analysis UPS, Rectifiers, Inverters and Batteries Fundamentals Maintenance, Testing and Troubleshooting
UPS Fundamentals o Rectifications & Inverters o Inverters o Batteries and Battery Charging o Battery Charging Tests o Safety During Battery Charging o Mixing Electrolyte
Battery discharge test.
Troubleshooting Guide Course Conclusion POST-TEST and EVALUATION
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Training Requirement:
“Hand’s on practical sessions, equipment and software will be applied during the course if required and as per the client’s request”.
Training Methodology:
This interactive training course includes the following training methodologies as a percentage of the total tuition hours:-
30% Lectures, Concepts, Role Play
30% Workshops & Work Presentations, Techniques
20% Based on Case Studies & Practical Exercises
20% Videos, Software & General Discussions
Pre and Post Test
Training Certificate(s):
Internationally recognized certificate(s) will be issued to each participant who completed the course.
Training Fees:
As per the course location - This rate includes participant’s manual, hand-outs, buffet lunch, coffee/tea on arrival, morning & afternoon of each day.
Training Timings:
Daily Timings: 07:45 - 08:00 Morning Coffee / Tea 08:00 - 10:00 First Session 10:00 - 10:20 Recess (Coffee/Tea/Snacks) 10:20 - 12:20 Second Session 12:20 - 13:30 Recess (Prayer Break & Lunch) 13:30 - 15:00 Last Session For training registrations or in-house enquiries, please contact: Aisha Relativo: [email protected] Tel.: +971 2 665 3945 or +971 2 643 6653 | Mob.: +971 52 2954615 Training & Career Development Department