Design and optimization of laminated busbar to reduce transient voltage spike

H. Wen*, W. Xiao

*Corresponding author for this work

Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review

27 Citations (Scopus)


The presence of loop inductance causes significant surge voltage due to hard-switching operation of voltage source inverters. This generally requires high-voltage rating of switching devices, which results in additional cost and power loss. This paper presents a surge voltage model to study busbar stray inductances in Electric Vehicle systems. The model demonstrates that the inductance of commutation cells contributes to significant voltage surge, resonance and electromagnetic interference. Based on modeling, the design tradeoff of different busbar structures can be analyzed by finite elements methods (FEM), which are based on Maxwell equations. The optimal design is proposed to reduce stray inductances of interconnection busbars for electric vehicle drive systems. Finally, the proposed design and optimization are evaluated by both simulation and experimental tests.

Original languageEnglish
Title of host publicationProceedings - 2012 IEEE International Symposium on Industrial Electronics, ISIE 2012
Number of pages6
Publication statusPublished - 2012
Externally publishedYes
Event21st IEEE International Symposium on Industrial Electronics, ISIE 2012 - Hangzhou, China
Duration: 28 May 201231 May 2012

Publication series

NameIEEE International Symposium on Industrial Electronics


Conference21st IEEE International Symposium on Industrial Electronics, ISIE 2012


  • Electric Vehicle
  • Laminated bus bar
  • Parasitic inductance
  • Voltage spike

Cite this