Power loss modelling of MOSFET inverter for low-power permanent magnet synchronous motor drive
- Publication Type:
- Conference Proceeding
- Citation:
- 1st International Future Energy Electronics Conference, IFEEC 2013, 2013, pp. 849 - 854
- Issue Date:
- 2013-01-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 06687620.pdf | Published version | 1.31 MB |
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This paper investigates an analytical power loss modeling method applied to a threephase voltage source inverter, aiming to obtain an accurate inverter loss without the need of extensive experimental measurement, under the context of inverter efficiency optimization. Modeling of semiconductor is achieved through analytical equations for conduction and switching losses in the MA TLAB/Simulink environment, using drain-to-source current and voltage waveforms. An experimental verification consisting of low power DC-source, three-phase MOSFET inverter and brushless dc motor, is conducted to validate the loss model. It is found that the modeled power loss is generally consistent with experimental verification at incremental dc-link voltage from 12V-18V, with inverter efficiencies in the 94.7-97.4% and 94.5- 97.2% regions, respectively. The developed loss model can be used in fast inverter-motor drive power loss optimization where losses depend on circuit parameters and operating point of motor, which are accounted for in the developed model. © 2013 IEEE.
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