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This paper describes a part of a larger supervision system able to monitor the on-state voltage V<sub>CE</sub> and the junction temperature T<sub>J</sub> of IGBT in operation. That system is associated to an ageing test bench stressing IGBT modules by power cycling. All along the ageing test, it is necessary to supervise V<sub>CE</sub>, always measured in(More)
Chemical pre-precipitation becomes one of the best options of chemical treatment of sewage. In the present study, chemical pre-precipitation was processed via swirl flow hydraulic clari-flocculators, which were investigated using the steady state analysis versus the simulation using of computational fluid dynamics (CFD) software for the optimal model(More)
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