1. Prof R T Kennedy 1 EET 307 POWER ELECTRONICS Professor Robert T Kennedy

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4. 4 HISTORICAL 1833 SILICON PHOSPHATE semiconducting properties MICHAEL FARADAY 1791 -1867

5. Prof R T Kennedy5 GRAETZ BRIDGE 1897 LEO GRAETZ 1856 - 1941

6. Prof R T Kennedy6 1903 1 st paper on Power Converters 1903 1 st paper on Power Converters 1925 1 st paper on Inverters: GE Review David Prince 1925 1 st paper on Inverters: GE Review David Prince 1933 Selenium Rectifier C E Fitts 1933 Selenium Rectifier C E Fitts 1952 1 st International Conference 1952 1 st International Conference 'Rectifiers in Industry‘ Pittsburg USA 'Rectifiers in Industry‘ Pittsburg USA

7. Prof R T Kennedy7 REVOLUTIONARY or EVOLUTIONARY WILLIAM SHOCKLEY 1910-1989 WALTER BRATTAIN 1902-1987 JOHN BARDEEN 1908-1991

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10. 10INTERDISCIPLINARY

11. Prof R T Kennedy11 SIGNAL PROCESSING PROCESSORS ASP DSP Analogue Signal Processing Digital Signal Processing

12. Prof R T Kennedy12 SIGNAL PROCESSING SIGNAL PROCESSOR INPUT INFORMATION analogue signal processing digital signal processing A-D conv. D-A conv. DC POWER PROCESSED OUTPUT INFORMATION

13. Prof R T Kennedy13 POWER PROCESSING POWER PROCESSOR INPUT POWER dc-dc conversion ac-ac conversion dc-ac conv. ac-dc conv. control information PROCESSED OUTPUT POWER

14. Prof R T Kennedy14 POWER CONVERTER TERMINOLOGY RECTIFIER RECTIFIER INVERTER INVERTER BIDIRECTIONAL SYSTEM BIDIRECTIONAL SYSTEM FREQUENCY CHANGER FREQUENCY CHANGER CYCLOCONVERTER CYCLOCONVERTER CYCLOINVERTER CYCLOINVERTER POWER FACTOR CHANGER POWER FACTOR CHANGER AC-AC CONVERTER AC-AC CONVERTER DC-DC CONVERTER DC-DC CONVERTER

15. Prof R T Kennedy15 POWER CONVERTER TOPOLOGY

16. Prof R T Kennedy16 POWER CONVERTER TOPOLGY POWER MODULE POWER MODULE POWER SUPPLY POWER SUPPLY FUSE FUSE INPUT FILTER INPUT FILTER OUTPUT FILTER OUTPUT FILTER CONTROL CIRCUIT CONTROL CIRCUIT

17. Prof R T Kennedy17 POWER – FREQUENCY DOMAINS HIGH VOLTAGE HIGH VOLTAGE HIGH CURRENT HIGH CURRENT HIGH POWER HIGH POWER HIGH FREQUENCY HIGH FREQUENCY

18. Prof R T Kennedy18 SIGNAL PROCESSOR COMPONENTS R C L SEMICONDUCTORS - LINEAR MODE - SEMICONDUCTORS - SWITCHED MODE -

19. Prof R T Kennedy19 POWER PROCESSOR COMPONENTS R C L SEMICONDUCTORS - LINEAR MODE - SEMICONDUCTORS - SWITCHED MODE -

20. Prof R T Kennedy20 MULTI DISCIPLINARY

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22. Prof R T Kennedy22 advance renewable energy technology advance renewable energy technology

23. Prof R T Kennedy23 RESIDENTIAL PV SYSTEM

24. Prof R T Kennedy24 LIGHT DIMMER

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27. Prof R T Kennedy27 POWER SUPPLIES

28. Prof R T Kennedy28 interact with Utility POWER QUALITY issues interact with Utility POWER QUALITY issues

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33. Prof R T Kennedy33 SPACE TRAVEL

34. Prof R T Kennedy34 MARS ROVER

35. Prof R T Kennedy35 Prof R T Kennedy

36. 36 POWER MANAGEMENT

37. Prof R T Kennedy 37