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Emerging Technologies in Alternate Drive Train Management: Power Capacitor Chip in Hybrid- and Fuel Cell Powered Drives
Published October 16, 2006 by Convergence Transportation Electronics Association in United States
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Event: Convergence 2006
The development work on the HEV power train has put its emphasize on the most efficient electric drive, which in turn demands a compact, low loss and cost effective DC Link Capacitor with bus voltages ranging from up to 1000 VDC and capacitance values ranging from up to 3000µF. The System development shows in the graph: Poutput vs. Vrated a ramping up tendency and has now reached Vr ≈ 650VDC based on Cr -range of 500…1000µF. Consequently for modern HEV converter design engineers trying to find alternative options for the once popular Electrolytic Caps which had the advantage of high CV values, for Ur below 450 V the choice now rests with Film- and Metallized PP Capacitors in particular . However, the relatively low temperature rating of standard round wound MKP Capacitors in the range of 85 deg C and the large dimensions had made it difficult for the designers to make the total change over till now.
A new development in the DC Link Capacitor technology overcomes these short falls and offers a capacitor with voltage ratings up to 1000 VDC, maximum fill ratio and temperatures up to 125 deg C and short excursions even to 135 deg C. This paper deals with various designs of PCC that were developed and successfully tried out in HEV-inverters for automotive applications, test results and its mechanical adaptability for use in the new generation of inverters, which demand compact sizes, high temperature conditions and tough mounting options, in addition to the uncompromising electrical requirements.
CitationVetter, H. and Chandran, S., "Emerging Technologies in Alternate Drive Train Management: Power Capacitor Chip in Hybrid- and Fuel Cell Powered Drives," SAE Technical Paper 2006-21-0091, 2006.
- Bramoulie M. “Electrolytic or film capacitor”. IEEE 10 98
- Fernandez O. Alba C. “New µPower Capacitors for Industrial & Automotive Converters”: CARTS USA 2004 March 31 April 03
- Wolfgang E. et al. “High- temperature power electronics: Challenges and Opportunities” Bremen, Germany June 11-12 2002
- Seliger N. et. al. “Compact and robust power electronics packaging and interconnection technology for ISG” Schäfer H. Optimization of the power train in vehicles by using the ISG expert-Verlag Renningen 2002 248 255
- Knorr R. “ High-temperature electronics for future HEV ” BAIKEM - Kooperationsforum LE Germany April 28 2005
- Vetter H. “ Advanced Design Aspects in Automotive-and LP Converter Technology due to PCCs ” CARTS USA 2003 March 31 April 03
- Tadros Y. Ranneberg J. et al. “ Motor-integrated Circular Converter for Hybrid Electrical Vehicles” EPE Journal 14 2 May 2004 23 27
- Vetter H. ” Miniaturized System Solutions for Innovative HEV Converters Based on PCC Technology” Automotive Power Electronic Conference 21-22 June 2006 Paris, France
- Vetter, H. “ High power capacitors for low inductance circuits ” SIEMENS Components 28/90 3 81 86
- Vetter H. “ patent file” : E 0, 420, 162 B1 May 03 1995
- Vetter H. “Dry MKK-Capacitors for Modern Rail Traction ” SIEMENS Components 02/96 50 53 3 97 34 37
- März M. “Mechatronic Integration - the key to Low-Emission Vehicles” 2005 Erlangen, Germany