Dilihat 646
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
- 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
- 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
- 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
- Importance and Relevance to Specifications
- ANSI and IEEE
- IEC and IEE
- Circuit Breakers and Power System
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