EPSRC Power Electronics CentreEarly Stage Researchers Meet up

WP1.1 High Power DC-DC Converter

Topologies  

Luiz Villa

.

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

3

Context - Renewables

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

4

Context – DC Grid

15/05/2014

• Voltage stresses• Voltage step• Frequency/Volume• Reliability• Losses

Basic DC-DC converter approach

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

6

DC-AC-DC converter approach

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

7

DC-AC-DC converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

8

DC-AC-DC converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

9

DC-AC-DC converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

10

DC-AC-DC converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

11

DC-AC-DC converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

12

• Voltage stresses• Voltage step• Frequency/Volume• Reliability• Losses

15/05/2014

DC-AC-DC converter approachSum up

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

13

Modular converter approach

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

14

Modular converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

15

Modular converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

16

Modular converter approachA closer look

15/05/2014

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

17

• Voltage stresses• Voltage step• Frequency/Volume• Redundancy• Losses

15/05/2014

Modular converter approachSum up

WP1.1 - High Power DC-DC Converter Topologies - Luiz Villa

18

• Control• Sizing of elementary

module• Secondary side -

Transformer isolation

15/05/2014

Modular converter approachChallenges ahead