New system integration concept for high power density drives

Conference paper (2008)

Authors

J. Popovic Old - EWI Sect. Electrical Power Processing
M.B. Gerber Electrical Power Processing
J.A. Ferreira Electrical Power Processing
Research Group
Old - EWI Sect. Electrical Power Processing
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Published Date

2008

Language

Undefined/Unknown

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Research Group

Old - EWI Sect. Electrical Power Processing

Abstract

Current construction technology and design methods of power converters have reached power density limits that can only be surpassed by changing the way we design and build converters. This paper presents a system integration approach that allows for achieving high power densities. The key issues of the approach, namely hybrid integration in the form of integrated power electronics modules (IPEMs) and integrated thermal and spatial design with optimized air flow are presented in the paper. The spatial and thermal concept of a case study 2.2 kW converter for ac drives is presented and the technologies for implementing the IPEMs are listed. The complete system and the experimental results thereof are presented. The converter has a power density of 3.8 kW/1, which is almost four times larger than that of commercially available drives. The approach is not restricted to this application and can be applied to any converter in the medium power range.