Transcript Document
Topologies for compact converters Work package 1.3.1 Frank Bryan Power Conversion Group, University of Manchester [email protected] Research interests • DC-DC converters for mobile applications • Integrating construction for increased power density • Packaging and layout of converter prototypes • New construction techniques Work package aims: • Identify and assess DC-DC topologies for multi-kW, low voltage operation (<1 kV) • Utilise emerging WBG devices • Exploit material characteristics for compact conversion Project objectives: • Prototype shortlist of topologies • Significantly increase the switching frequency over state of the art examples • Utilise soft switching techniques to increase efficiency and allow further frequency increases Project plan: WP 1.3 T2 Topology literature review Candidate identification Candidate simulation Design parameter trade off Protype specification Hardware design Hardware/software sourcing Preliminary testing Contruction Testing Review Parallel theme component testing Component lead Processing and testing Review WP Deliverable: Report/publication WP 3.1 T3 Design tools and optimisation WP 4.3 T1 High speed control techniques Quarter 1 Quarter 2 Quarter 3 Quarter 4 Quarter 5 Quarter 6 Quarter 7 Identified three suitable topologies Specified and simulated candidates Constructing a flexible test bed to implement candidate topologies Awaiting components Quarter 8 Development opportunities: • New converter topologies • Sensing and control of high frequency converters • Construction and combination of passive components • Integrating passive components and switching devices • Design trade offs for design optimisation Project exploitation: • Increased power density allows increased power delivery or reduced mass and volume for space critical and mobile applications • Reduced losses using WBG devices and smaller passive components. • Ongoing research links with Rolls Royce and Prodrive and IST Power