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Electrical Maintenance

Electrical Maintenance

Dafam Fortuna Hotel, Yogyakarta | 01 – 04 September 2015 | IDR 7,000,000



This electrical maintenance training course will discuss application, installation, electrical maintenance and testing issues related to Low Medium and High Voltage Electric Circuit Breakers, Switchgear and Electrical Power Transformers. The course will provide the delegates with a solid understanding of theory and standards. The course will also make the delegates aware of issues concerning the proper application, installation and maintenance of these types of equipment with a strong emphasis on safety. Our electrical maintenance training course will cover a wide range of material starting from the basics and moving on to more complex issues. This course provides an overview of electric power system design and theory, focusing on the types of equipment used most commonly in the Utility, Industrial, Commercial and Institutional applications. Basic Circuit Breaker and Transformer construction, electrical safety, and common maintenance techniques are major components of this course.


This course is recommended for skilled trades, supervisors and anyone involved in the electrical maintenance and operations of Circuit Breakers and Power Transformers.


  1. General Introductions
  2. Safety Aspects
    • Legislation
    • Electrical Hazards
    • Energized Work
    • Personal Protective Equipment
    • Job Planning
    • Equipment Failure Costs
  3. High, Medium, Low Voltage Switchgear
    • Ratings
    • Definitions
    • Types
    • Typical Construction
    • Control Power Systems
  4. Electrical Maintenance of Protective Equipment & Instrument Transformers
    • Potential Transformers
    • Current Transformers
    • Transformer Differential Protection
    • Feeder Protection
    • Motor Protection
  5. Circuit Breaker Construction & Features
    • Contact Operation
    • Arc Extinguishing Mediums, Sulphur Hexaflouride Gas, Air, Vacuum and Oil
    • Manual and Electrical operating Controls
    • Safe Operating Methods
  6. Circuit Breaker Maintenance, Care & Testing
    • Mechanical Inspections
    • Contact Resistance Tests
    • Insulation Resistance Tests
    • Insulating Gas and Oil Analysis
    • Travel Analysis
  7. Transformer Construction
    • Tank
    • Core, Coils, Types and Ratings
    • Bushings
    • Tap Changers
    • Factory Testing
    • Dry, Oil and Liquid Filled Types
  8. Operation
    • Theory of Operation
    • Vector and Connection Diagrams
    • Important Electrical Relationships & Formulas
  9. Auxiliary Equipment
    • Gas Relays
    • Fans and Pumps
    • Gauges
    • Tap Changer Controls
  10. Failure Causes
    • Detailed analysis of several case histories
    • Lightening
    • Oil Decay
    • Component Failures
    • Internal Faults
    • External Faults
  11. Testing Practices & Standards
    • Oil Analysis
    • Chemical Analysis
    • Dissolved Gas Analysis
    • Furan, Inhibitor, Power Factor Water and PCB Testing
  12. Electrical Testing
    • Insulation Resistance and Polarization Index Tests
    • Turns Ratio, Excitation Current and Polarity Testing
    • Capacitance and Power Factor Testing
    • Winding Resistance Tests


  • Discuss
  • Case Study
  • Evaluation
  • Simulation


Teguh Santoso, Ir
Teguh Santoso experienced more than 26 years in Electrical.


  • Jentra Dagen Hotel Jl. Dagen 85 Malioboro Yogyakarta,
  • 01 – 04 September 2015
  • 4 days (08 am – 04 pm)


IDR 7.000,000.00 per participant non residential


  • Module / Handout Electrical Maintenance Training
  • Certificate
  • Souvenir
  • Training Kit

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