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Analysis and Implementation of Effective Placement of EMC Capacitors for WBG Modules
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| Author(s) |
Mahmoud SAEIDI |
| Abstract |
This paper proposes an optimum placement of the electromagnetic capability (EMC) capacitors for the wide band-gap (WBG) devices (SiC). To minimize electromagnetic interference (EMI), the solution of using EMC capacitors near the power module is proposed. Two different EMC capacitor placement scenarios are examined to show how the displacement current is affected. The suggested method reduces the capacitive displacement current during the high slew rate of the drain-source voltage ($dv/dt$), which then helps to minimize the size and overall cost of the common mode choke (CMC). The proposed methods are simple to construct and easy to implement with a faster switching response. The proposed method is experimentally implemented for a half-bridge SiC power module with the heat sink. |
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| Filename: | 0193-epe2022-full-14550214.pdf |
| Filesize: | 3.773 MB |
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| Type |
Members Only |
| Date |
Last modified 2023-09-24 by System |
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