Power Transformer operation, Maintenance And Testing

Power Transformer operation

This course covers the theory, operation, maintenance and testing of power transformers and auxiliary equipment. Topics included are transformer fundamentals, transformer ratings, transformer cooling, nitrogen gas systems and insulation systems. The source concludes with in-depth discussions on transformer testing techniques. This course is applicable to technicians and engineers who need a sound understanding of power transformer operation and maintenance.
Participants will learn safe and proper maintenance and testing procedures on pad-mounted, power transformers. The course covers transformers used in commercial and industrial power distribution systems, including oil and dry-type units. 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. Participants 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.

Upon completion of this course, the participant should be able to:
 Explain the basic operation of a transformer.
 Discuss turns ratios and calculate terminal voltage and current.
 Discuss terminal markings and various single phase and three phase wiring schemes. (WYE vs DELTA).
 Explain how to perform a polarity test on a potential transformer.
 Discuss the electrical testing performed on transformers such as insulation resistance testing, excitation and power factor testing.
 Discuss the various tests performed on insulating

1. Transformer Principles
 Transformers
 Right Hand Rule
 Magnetic Flux
 Magnetic Induction
 Left Hand RuleTurns Ratio
 Transformer Losses
 Transformer Types
2. Vector Diagrams
 Operating Principles
 Operation Without Load
 Operation with Load
3. Transformer Classifications
 Service Classification
 Instrument Transformers
4. Transformer Construction (Construction)
 Magnetizing Circuits
 Losses
 Efficiency
5. Cooling
 Air-Cooled Oil-Immersed
 Temperature Limits
 Transformer Loading
6. Tap Changers
 No-Load Tap Changer
 Tap Changing Under Load
 Phase-Angle Control
7. Transformer Connections
 Single Phase Circuits
 Two-Phase Circuits
 Three-Phase Circuits
8. Transformer Maintenance
 Insulation Testing
 High Potential Testing
 Turns Ratio Testing
 Polarity Testing
 Power Factor
 Excitation Current
 DC Winding Resistance
 Polarization Recovery
 Insulating Fluid Dielectric
 Dissolved Gas Analysis
9. Transformers and Relaying
 Transformer Faults
 Differential Relaying
10. Case Studies

Field and shop technicians, field engineers, supervisors and others responsible for the testing and maintenance of power transformers rated 750kVA to 500MVA and 4.16kV to 500kV

Bandung / Yogyakarta / Bali
In House Training:
Depend on request
“if there is demand for the implementation of training in another city we are ready to serve”
Tugino, ST MT
Course fee
Biaya pelatihan sebesar Rp 8.500.000/peserta Non residensial. Khusus untuk pengiriman 3 peserta dari perusahaan yang sama, biaya pendaftaran sebesar Rp.8.000.000

 Training Module
 Flash Disk contains training material
 Certificate
 Stationeries: NoteBook and Ballpoint
 Backpack
 Training Photo
 Training room with Full AC facilities and multimedia
 Lunch and twice coffeebreak every day of training
 Qualified Instructor
 Exclusive Gifts
 Transportation for participants from hotel of participants to/from hotel of training (if minimal participants is 4 persons from the same company)

20 – 23 Januari 2014
11 – 14 Februari 2014
18 – 21 Maret 2014
22 – 25 April 2014
20 – 23 Mei 2014
17 – 20 Juni 2014
19 – 22 Agustus 2014
16 – 19 September 2014
7 – 10 Oktober 2014
18 – 21 November 2014
9 – 12 Desember 2014


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