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Power System Protection: Costs and Technologies

This presentation by Mohammed Al-Zeer explores the critical aspects of power system protection, including the costs associated with building substations, constructing transmission lines, and purchasing large generators. It discusses essential components such as transducers, circuit breakers, and protective relays, highlighting their roles in system protection. The presentation emphasizes the importance of speed, selectivity, reliability, and sensitivity in protection systems, and categorizes various types of protective relays including over-current, differential, and directional relays.

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Power System Protection: Costs and Technologies

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Presentation Transcript

  1. EE 445Course PresentationPower System Protection Mohammed AL-Zeer 224026

  2. Outline • Introduction • Power System • Power System Protection • Relays • Conclusion

  3. Introduction • How much it will cost to build a substation?

  4. Introduction • How much it will cost to construct 1 km of T.L ?

  5. Introduction • How much it will cost to buy a large generator?

  6. Introduction 25%

  7. Power System

  8. Power system Protection • Transducer • Circuit breakers • Protective relays

  9. Transducer • sensor & transformer • Current transformer (CT) & Potential transformer (PT)

  10. Circuit Breakers • Mechanical device • Energize & interrupt electric circuits

  11. Protective Relays • Receive signals from transducers & Control circuit breakers

  12. Protection Systems • Main protection • Backup Protection

  13. Zones of Protection

  14. Requirements of Protection Systems • Speed • Selectivity • Reliability • Sensitivity

  15. Types of Protective Relays • Over-current Relays • Differential Relays • Percentage-Differential Relays • Directional Relays

  16. Over-current Relays

  17. Types of Protective Relays • Over-current Relays • Differential Relays • Percentage-Differential Relays • Directional Relays

  18. Differential Relays

  19. Types of Protective Relays • Over-current Relays • Differential Relays • Percentage-Differential Relays • Directional Relays

  20. Types of Protective Relays • Over-current Relays • Differential Relays • Percentage-Differential Relays • Directional Relays

  21. Application

  22. Conclusion

  23. References • Electromechanical Energy Devices And Power Systems (EE 360) • Power System Relaying (EE 466)

  24. Thank You

  25. Q & A

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