Journal
IEEE TRANSACTIONS ON POWER ELECTRONICS
Volume 37, Issue 8, Pages 9551-9570Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2022.3152529
Keywords
Overvoltage prediction; SiC metal-oxide-semiconductor field-effect transistor (MOSFET); wide bandgap devices
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Funding
- National Natural Science Foundation of China [51907070]
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This article presents quick analytical prediction methods for switching loss, turn-on/off overvoltage, di/dt, and dv/dt based on SiC metal-oxide-semiconductor field-effect transistor datasheet. The proposed methods are validated through experimental results, and the relationships between switching performance and different parameters are analyzed and summarized.
This article presents quick analytical prediction methods of switching loss, turn-oN/oFF overvoltage, di/dt, and dv/dt for SiC metal-oxide-semiconductor field-effect transistor based on device datasheet. First, the switching process is analyzed and the simplification principles are discussed based on charge conservation and flux conservation. Second, the analytical equations of switching loss, turn-oN/oFF overvoltage, di/dt, and dv/dt are derived. Third, experimental results under different operating conditions are presented to validate the proposed methods. It is found that the average prediction error is 10.11%. Finally, relationships between switching performance and different parameters, such as parasitic capacitance, parasitic inductance, dc-voltage, and load current, are analyzed and summarized based on the proposed prediction methods.
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