ElectricalNovember 2020Online TrainingTechnical, Mechanical & Engineering

Online Training – Circuit Breakers Operation and Maintenance

Jadwal Pelatihan Online Training – Circuit Breakers Operation and Maintenance

TanggalTempatKota
10 - 11 November 2020--

OBJECTIVE

  • The importance of preventive maintenance check and servicing of the various types of circuit breakers
  • Implementation of safe systems of work and operations
  • Co-ordination of maintenance activities and maintaining system safety
  • To be able to understand the component functionalities of the gas and vacuum circuit breakers
  • Methods of arc extinction for MV HV circuit breakers
  • Routine inspections and the functions of the micro processor component in the circuit breakers

 

MATERI Training Online – Circuit Breakers Operation and Maintenance

1. Introduction-Reasons for Faults-and Classification of Faults

  • Distinction Between Load and Fault Current
  • Sources of Short-Circuit Current
  • Introduction to Fault Calculations
  • Balanced and Unbalanced Faults
  • Overview of Power System Protection
    • Measurement-Voltage and Current Transformers
    • Protective Device Characteristics
    • Types of Protection Systems
    • The Role and Importance of The Circuit Breaker In Power Systems

2. General Principles of Arc Extinction

  • Overview of Types of Circuit Breaker
    • Air-Break
    • Vacuum
    • Gas
    • Other Related Switching Devices
    • The Single-Line Diagram
    • Substation Layouts
  • Air-Break
    • Principles of Arc Extinction
    • Circuit Breaking
    • Circuit Breaking
    • Contacts and Arc Initiation
    • Arc Chutes
    • Performance Characteristics
    • General Construction Principles
    • Vacuum
  • History-The Early Years
  • The Vacuum Arc-An Overview
  • Current Interruption in Vacuum
  • Methods of Keeping the Arc Diffuse
  • Current Chopping-General Implications
  • Vacuum Interrupters in Series
  • Design of Vacuum Switchgear
  • Maintenance and Testing Requirement

3. SF6 Gas

  • Properties of SF6
  • Principles of Arc Extinction
  • Features of Construction
  • Mechanism Principles
  • Insulation Principles
  • Gas Leak Problems
  • Specific Supervision Requirements
  • Circuit Power Factor Considerations
  • Maintenance and Testing Requirements

4. International Standards

  • Importance and Relevance to Specifications
  • ANSI and IEEE
  • IEC and IEE
  • Circuit Breakers and Power System
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