1. ÈýÁâMELCOSIM
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This document is explained for operation of the Mitsubishi Power Module Loss Simulator "Melcosim" for 2-level inverter and 3-Level inverter.
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2 Ó¢·ÉÁèIPOSIM7.4IGBTÄ£¿é¹¦ºÄ·ÂÕæ¼°Ñ¡ÐÍÈí¼þ˵Ã÷¼°ÏÂÔØ
Dimensioning program IPOSIM for loss and thermal calculation ofeupec modules
IPOSIM performs an approximate calculation of switching and conduction losses for IGBTs and free-wheeling diodes in a three phase inverter configuration.
IPOSIM works under the assumption of a sinusoidal output current and uses linear approximation
IPOSIM is a quick selection tool for eupec IGBT modules
The calculation results in diagrams which are showing an estimation of
the average power losses versus the RMS phase leg current at sinusoidal currents
the temperature distribution between junction and ambient
loss distribution (static and dynamic losses)
calculation of complete load cycles
Thermal limits of IGBT and diode part of the module are considered. IPOSIM applies an easy to use, fast and at the same time relatively exact method under sinusoidal output conditions. This fulfils the engineers need for first estimations on losses and thermal limits of the considered IGBT module.
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