Ten years after the publication of the EC Directive 89/336, research and development related to electromagnetic compatibility have covered many aspects in the design and development of electrical and electronic equipment. Different solutions regarding these problems were presented in recent years, in order to minimize the electromagnetic interference, but new and innovative solutions are still being studied. In this paper, the authors show to what extent electromagnetic interference caused by power electronic circuits can be minimized with the use of planar busbars. Indeed, the goal is to tackle EMI directly at the source where most EMI is generated by proper design of the inverter busbars. A planar busbar design was made and implemented, Measurements show the validity of the theoretical approach.
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