Junction temperature detection device and method of power device and medium
The invention discloses a junction temperature detection device and method for a power device, and a medium, relates to the field of junction temperature detection, and aims to solve the problem that the junction temperature of the power device affects the delayed conduction time of the power device...
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| creator | ZHANG ZAIPING WANG JUN HU BO HE MINMIN LIU CHAOFA KE ZIPENG |
| description | The invention discloses a junction temperature detection device and method for a power device, and a medium, relates to the field of junction temperature detection, and aims to solve the problem that the junction temperature of the power device affects the delayed conduction time of the power device, and the delayed conduction time of the power device affects the charging time of a capacitor. The charging time of the capacitor can influence the voltage peak value in the charging process of the capacitor, so that the junction temperature detection device of the power device indirectly obtains the junction temperature of the power device through determining the voltage peak value in the charging process of the capacitor and through the voltage peak value. The method has the advantages that the response speed is high, errors are small, the power device and external packaging of the power device cannot be damaged, the junction temperature of the current power device can be detected in real time, namely, the degra |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Junction temperature detection device and method of power device and medium |
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