Protection

Power Sytems Protection

Part 1:

  • Introduction, Paperwork and Pre-Test
  • Power system elements Overview:
    • Generators
    • Transformers
    • Transmission lines
    • Substations
    • Distribution
    • Bus Bars
  • power system faults:
    • Fault Causes
    • Fault Effects
    • Fault Types
  • Circuit Breakers:
    • Circuit Breaker Functions
    • Ratings
    • Principles of Arc Interruption
    • Circuit breaker failure
  • Instrument transformers:
    • Basic Idea of Instrument Transformer
    • Current Transformer
    • Measuring And Protection Cores
    • Open Circuit Current Transformer
    • Voltage Transformer
  • Basic Objectives of System Protection:
    • Reliability
    • Selectivity
    • Speed
    • Simplicity
    • Economics
  • types of protection relays structure:
    • Electromechanical relays
    • Static relays
    • Digital relays
    • Multifunction digital relays
  • Types of protections:
    • Over Current Protection
    • Earth Fault protection
    • Distance protection
    • Directional protection
    • Differential protection
    • Restricted Earth Fault protection
    • Mechanical Protection
    • others
    • short circuit calculations
  • use easy power software for calculations

Prat 2:

  • Power system elements protection:
    • Generators
    • Transformers
    • Transmission lines
    • Motors
    • Distribution and low voltage
    • Bus Bars
  • Instrument transformers selection:
    • CT selection and problems
    • VT types
    • CT and VT various connections
    • Testing CT and VT
  • Protection relays settings:
    • Over current relay settings
    • Earth fault relay settings
    • Distance relay settings
    • Differential relay settings
    • Over/under voltage relay settings
    • Others
  • Protection relays testing BY OMICRON.
    • Secondary injection tests
  • Maintenance of Protection relays
  • Use easy power software to calculate short circuit current at any point in power system.
  • Use easy power software for protective relays coordination in a certain power system and utility.
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