A power dense DC-DC converter for a small electric vehicle
Power Electronics, Machines and Drives（2012）
摘要
A power dense DC-DC converter is required to interface a supercapacitor energy buffer with a higher voltage traction drive in a small electric vehicle application. A converter design and component selection process is described for a bidirectional, 18 kW, dual interleaved boost converter with interphase transformer. The physical construction of the converter is optimised to increase volumetric and gravimetric power density and simplify assembly. The prototype converter achieves a power density of 6.5 kW/kg and 7.9 kW/l. Converter efficiency and thermal results are presented and component mass and loss audits are included.
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关键词
DC-DC power convertors,electric vehicles,finite element analysis,power transformers,supercapacitors,traction motor drives,component loss audits,component mass audits,component selection process,converter design,converter efficiency,dual interleaved boost converter,gravimetric power density,interphase transformer,physical construction,power 18 kW,power dense DC-DC converter,prototype converter,small electric vehicle application,supercapacitor energy buffer interface,traction drive,volumetric power density,DC-DC Converter,Electric Vehicle,Finite-Element-Analysis,Interleaved-Boost,Power-Dense,
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