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Electrical Maintenance, Testing, Inspection and Risk Assessment

  • Introduction to Switchgear, Circuit Breaker and Transformer

  • Switchgear

  • Definitions, Ratings, Typical Construction

  • Control Power System

  • Electrical Maintenance of Protective Equipment & Instrument Transformers

  • Potential & Current Transformers

  • Transformer Differential Protection

  • Feeder & Motor Protection

  • Circuit Breaker

  • Construction and Contact Operation

  • Manual and Electrical operating Controls

  • Safe Operating Methods

  • Mechanical Inspections

  • Contact Resistance Tests

  • Insulation Resistance Tests

  • Insulating Gas and Oil Analysis

  • Transformer Construction

  • Tank , Core, Coils, Types and Ratings

  • Bushings , Tap Changers , Factory Testing

  • Dry, Oil and Liquid Filled Types

  • Operation

    • Theory of Operation, Vector and Connection Diagrams

    • Important Electrical Relationships & Formulas

  • Auxiliary Equipment

    • Gas Relays , Fans and Pumps , Gauges , Tap Changer Controls

  • Failure Causes
    • Detailed analysis of several case histories
    • Lightening , Oil Decay , Component Failures
    • Internal & External Faults

  • Testing Practices & Standards

    • Oil Analysis , Chemical Analysis , Dissolved Gas Analysis
    • Furan, Inhibitor, Power Factor Water and PCB Testing

  • Electrical Testing

    • Insulation Resistance and Polarization Index Tests
    • Turns Ratio, Excitation Current and Polarity Testing
    • Capacitance and Power Factor Testing
    • Winding Resistance Tests
  • Risk Assessment

  • The need and concept of risk assessment

  • Review of the existing work procedures

  • General risk assessment relating to electrical machinery.

  • Identification of deficiencies that relate to electrical safety

  • Manpower, Public and Equipment safety

  • Risk management, Problems and case studies

  • Identification of additional safety measure related labels and signage locations within your facility.


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