The modeling & EM simulation assessment as part of DFX methodology

The paper is the result of studies, experiments and simulations regarding electromagnetic compatibility (EMC) performance of an intelligent electronic module used to obtain variable and controllable power injection during the Vapor Phase Soldering process (VPS) including the power-on and power-off phases. The module represents an original solution for low conducted and especially low radiated emissions by switching the power semiconductor devices close to the zero crossing of the mains voltage. The necessity to be optimized from EMC points of view is resolved by modeling and simulating using 3D EM simulation software, REMCOM XFdtd, for evaluating the performance and electromagnetic field effects of the VPS process power control module considered as a radiating device. The modeling process is based on preliminary measurements already taken and validated by other complex measurements which imply the need for the new experiments design. The authors intend to develop a design methodology based on the works presented in the paper which will include modeling and EM simulation, in order to complete the design for excellence (DFX) activities in case of the new products development processes.