Electrical Installation & Maintenance

Course Details

Electrical Installation & Maintenance

Low, Medium & High Voltage Circuit Breakers, Switchgears and Electrical Power Transformers

  • Introduction to LT/HT Switchgear, Circuit Breaker and Transformer
  • Switchgear
  • Definitions, Ratings, Typical Construction
  • Operation, Protection systems
  • Installation guidelines
  • Electrical Maintenance of Protective Equipment & Instrument Transformers
  •  Power Transformer Distribution Transformer
  • Potential Transformers
  • Current Transformers
  • Transformer Differential Protection
  • Feeder Protection
  • Motor Protection
  • Circuit Breaker (LT/HT)
  • Construction and Contact Operation
  • Installation guidelines
  • Manual and Electrical operating Controls
  • Safe Operating Methods
  • Mechanical Inspections
  • Contact Resistance Tests
  • Insulation Resistance Tests
  • Insulating Gas and Oil Analysis
  • Maintenance of CBs
  • Transformer Construction
  • Tank
  • Core, Coils, Types and Ratings
  • Bushings , Tap Changers
  • Factory Testing
  • Dry, Oil and Liquid Filled Types
  • Operation
    1. Theory of Operation
    2. Vector and Connection Diagrams
    3. Important Electrical Relationships & Formulas
  • Failure Causes
    1. Detailed analysis of several case histories
    2. Lightening, Oil Decay
    3. Component Failures
    4. Internal & External Faults
  • Installation guidelines
  • Maintenance guidelines