1. EPSRC Power Electronics Centre Early Stage Researchers Meet up WP1.1 High Power DC-DC Converter Topologies Luiz Villa.

2. Context – Classic Grid 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 2

3. Context - Renewables 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 3

4. Context – DC Grid 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 4

5. Voltage stresses Voltage step Frequency/Volume Reliability Losses Basic DC-DC converter approach

6. DC-AC-DC converter approach 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 6

7. DC-AC-DC converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 7

8. DC-AC-DC converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 8

9. DC-AC-DC converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 9

10. DC-AC-DC converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 10

11. DC-AC-DC converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 11

12. Voltage stresses Voltage step Frequency/Volume Reliability Losses 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 12 DC-AC-DC converter approach Sum up

13. Modular converter approach 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 13

14. Modular converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 14

15. Modular converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 15

16. Modular converter approach A closer look 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 16

17. Voltage stresses Voltage step Frequency/Volume Redundancy Losses 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 17 Modular converter approach Sum up

18. Control Sizing of elementary module Secondary side - Transformer isolation 15/05/2014 WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa 18 Modular converter approach Challenges ahead