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EE 445 Course Presentation Power System Protection

EE 445 Course Presentation Power System Protection. Mohammed AL-Zeer 224026. Outline. Introduction Power System Power System Protection Relays Conclusion. Introduction. How much it will cost to build a substation?. Introduction. How much it will cost to construct 1 km of T.L ?.

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EE 445 Course Presentation Power System Protection

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  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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