Understanding of SLD & KLD

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About Course

Objectives
• Interpret SLD and KLD diagrams.
• Identify protection zones.
• Understand interface with design.

Key Topics
• SLD components and symbols.
• KLD logic representation.
• Primary vs secondary systems.
• Protection zone identification.

Practical Focus
• Review real substation SLD.
• Exercise: Identify protection zones.

Suggested Diagrams
• Typical SLD.
• KLD logic diagram.

Key Takeaways
• Ability to read system diagrams.
• Improved study accuracy.
Standards & References
• SSEN and NG standards.

Certification & Delivery
• Certificate of Completion awarded.
• Delivery Mode: Online (On-demand).
• Corporate and customized training available on request.

Prerequisites:
• Basic power system knowledge.

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What Will You Learn?

  • •Interpret and analyze Single Line Diagrams (SLD) used in substations
  • •Understand Key Line Diagrams (KLD) and their role in protection logic
  • •Identify major components such as busbars, transformers, feeders, breakers, CTs, and VTs
  • •Distinguish between primary systems (power equipment) and secondary systems (protection & control)
  • •Accurately identify and define protection zones (line, transformer, busbar)
  • •Understand how SLD and KLD interface with protection studies and relay coordination

Course Content

Understanding of SLD & KLD

  • Understanding of SLD & KLD

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