POWER TRANSFORMERS: OPERATION, MAINTENANCE AND TESTING

DESKRIPSI

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.

TUJUAN :

Upon completion of this course, the participant should be able to:
Discuss the various tests performed on 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. insulating

MATERI

1. 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

PESERTA

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

METODE

Metode yang digunakan dalam pelatihan ini adalah presentasi, workshop, studi kasus dan kunjungan lab

KOORDINATOR

Tugino, ST. MT

(Expert in Power Engineering)

Instruktur merupakan pakar bidang electrical engineering dan system pembangkitan

BIAYA

Rp 6,500,000,-/ peserta, nett Non Residential
Rp 5,850,000,- untuk pengiriman 5 peserta atau lebih

Fasilitas

Module / Handout
Sertifikat
Souvenir
Training Kit

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