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CONTROLING ELECTRICAL CURRENT: TRANSFORMERS

This guide explores the fundamentals of electrical transformers, focusing on types such as air core, open core, closed core, and shell-type transformers. It discusses the principles of mutual induction, the functions of step-up and step-down transformers, and introduces concepts like transformer losses, including copper loss, hysteresis loss, and eddy current loss. Techniques to reduce these losses and improve efficiency are presented. The importance of transformers in electrical circuits, particularly in X-ray applications, is emphasized, alongside the role of autotransformers in voltage regulation.

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CONTROLING ELECTRICAL CURRENT: TRANSFORMERS

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  1. CONTROLING ELECTRICAL CURRENT:TRANSFORMERS

  2. X-RAY CIRCUIT

  3. TRANSFORMERS

  4. MUTUAL INDUCTIONTRANSFORMERS

  5. MUTUAL INDUCTION

  6. TYPES OF TRANSFORMERS: • AIR CORE • OPEN CORE • CLOSED CORE • SHELL TYPE

  7. AIR CORE TRANSFORMER

  8. OPEN CORE TRANSFORMER

  9. CLOSED CORE TRANSFORMER

  10. SHELL TRANSFORMER

  11. TRANSFORMERS • STEP-UP---- V I • STEP-DOWN---V I

  12. STEP-DOWN

  13. STEP-DOWN

  14. STEP-UP

  15. TRANSFORMER LAW

  16. TRANSFORMER LOSSES • COPPER LOSS ( I2R) • HYSTERESIS LOSS • EDDY CURRENT LOSS

  17. REDUCING COPPER LOSS HIGH VOLTAGE

  18. REDUCING HEAT IN TRANSFORMER

  19. HYSTERESIS LOSS MAGNETIC LAG MINIMIZED BY USING SILICON IRON

  20. EDDY CURRENT LOSS

  21. EDDY CURRENTS

  22. EDDY CURRENTS

  23. AUTOTRANSFORMER SELF-INDUCTION

  24. POLE TRANSFORMER

  25. AUTOTRANSFORMER ( VARIAC)KVP SELECTOR

  26. AUTOTRANSFORMER PRIMARY OF STEP-UP

  27. AUTOTRANSFORMER (UP)

  28. AUTOTRANSFORMER (DOWN)

  29. 3 PHASE TRANSFORMER

  30. TRANSFORMER LAW Vs = Ns Vp Np

  31. % EFFICIENCY OF THE TRANSFORMER %EFFICIENCY = Pout. /Pinp. x 100%

  32. THE EXPERIENCE OF LIFE ITSELF IS THE REAL TEST……….FOR ANY …..PROFESSION. W.K. RONTGEN

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