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A fast power loss calculation method for long real time thermal simulation of IGBT modules for a three-phase inverter system by Z. Zhou; M. S. Khanniche; P. Igic; S. T. Kong; M. Towers; P. A. Mawby is a Engineering article available to read on EtoBox.

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A fast power losses calculation method for long real time thermal simulation of IGBT module for a threephase inverter system is presented in this paper. The speed-up is obtained by simplifying the representation of the three-phase inverter at the system modelling stage. This allows the inverter system to be simulated predicting the effective voltages and currents whilst using large time-step. An average power losses is calculated during each clock period, using a pre-defined look-up table, which stores the switching and on-state losses generated by either direct measurement or automatically based upon compact models for the semiconductor devices. This simulation methodology brings together accurate models of the electrical systems performance, state of the art-device compact models and a realistic simulation of the thermal performance in a usable period of CPU time and is suitable for a long real time thermal simulation of inverter power devices with arbitrary load. Thermal simulation results show that with the same IGBT characteristics applied, the proposed model can give the almost same thermal performance compared to the full physically based device modelling approach.

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Author

Z. Zhou; M. S. Khanniche; P. Igic; S. T. Kong; M. Towers; P. A. Mawby

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0894-3370)

Published

2005

Language

EN

Field

Engineering (Physical Sciences)