EE188: Transformer Design, Construction, Testing & Maintenance

Transcription

1 EE188: Transformer Design, Construction, Testing & Maintenance EE188 Rev.001 CMCT COURSE OUTLINE Page 1 of 5

2 Training Description: This intensive training covers the design, theory, operation, maintenance and testing of power transformers and auxiliary equipment. Topics included are transformer fundamentals, transformer ratings, transformer cooling, oil gas systems and insulation systems. The source concludes with in-depth discussions on transformer testing techniques. Students will learn safe and proper maintenance and testing procedures power transformers. The course covers transformers used in commercial and industrial power distribution systems, including oil filed and Larger power transformers used in utility applications are also covered. Load and no-load tap changer maintenance, ac and dc testing, routine inspections and oil sampling and testing are covered in detail. Students will learn how to perform routine oil tests, and understand how to perform the major tests that are required. A variety of electrical test equipment from various manufacturer s will be discussed. Correctly and the specification has been met. The switchgear system can then be put into Operation with Confidence. The completion of Testing and Inspection should also trigger the start of a Cycle of Maintenance of Switchgear System that will keep the system functioning in a safe manner for the expected lifetime of the installation and increase system reliability and enhancing their performance. Training Objective: By the end of the training, participants will be able to: Identify power/instrument and distribution transformer types, components and auxiliary equipment Evaluate transformer configuration for the application Interpret nameplate data Perform and evaluate the results of insulation resistance, wind-ing resistance, turns ratio, core excitation and power factor tests of windings, bushings and liquid insulation Perform oil sampling, testing, drying, filling and filtering Training Designed for: This course is intended for Electrical Engineers those involved in Substation Design, Operation, Maintenance & Testing. Also, Electrical Technologists those working in Substation Networks are recommended to attend this course Training Program: DAY ONE: PRE-TEST Module (01): Introduction Transformer applications Some definitions Transformer Types EE188 Rev.001 CMCT COURSE OUTLINE Page 2 of 5

3 Winding, current and voltage ratio Single and multi-phase relationships Delta-wye and wye-delta displacements Module (02): Theory of Operation Three- Phase Transformer Connections Voltage and Current Ratings of Transformers Transformer Losses and Efficiency CORE CONSTRUCTION Winding Construction DAY TWO: Module (03): Cooling Classifications Liquid-filled transformers Cooling methods Rating according to cooling type Module (04): Electrical Bushings Purpose of Electrical Bushings Types of Bushings Important Design Parameters Bushings for Special Applications Tests on Bushings Maintenance and Troubleshooting DAY THREE: Module (05): Dry Type Transformers Cooling Classes for Dry-Type Transformers Winding Insulation System Enclosures Operating Conditions Limits of Temperature Rise Transformer Loading Accessories Dry-Type Transformer Maintenance Module (06): Oil-Filled Transformers Transformer Tank Top Oil Thermometers Winding Temperature Thermometers Oil Level Indicators Pressure Relief Devices Sudden Pressure Relay Buchholz Relay Testing and Maintenance of High-Voltage Bushings Transformer Oil Testing EE188 Rev.001 CMCT COURSE OUTLINE Page 3 of 5

4 DAY FOUR: Module (07): Transformer Taps and Tap Changers Off Circuit Tap Changers On Load Tap Changer Design of Taps Winding Structure and Configuration of Switches Voltage Selection of Each Part of Windings Module (08): Transformer Site Test Winding Resistances Core Insulation Resistance and Inadvertent Core Ground Test Voltage Ratio and Proper Connections Insulation Condition DAY FIVE: Module (09): Problem and Failure Investigation Background Investigation Problem Analysis Where No Failure Is Involved Failure Investigations Special Considerations Module (10): Protection Metering & Control System Common Transformer Faults Yearly Maintenance Monthly Maintenance Weakly Maintenance Course Conclusion POST-TEST and EVALUATION 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. EE188 Rev.001 CMCT COURSE OUTLINE Page 4 of 5

5 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: aisha@cmc-me.com Tel.: or Mob.: Training & Career Development Department EE188 Rev.001 CMCT COURSE OUTLINE Page 5 of 5