On-state voltage drop based derating/uprating on a MW converter to improve reliability
Derating/uprating in components and converter is discussed. Online monitoring of junction temperature, power dissipation and cooling temperature are used for a derating. A real time monitoring of on-state collector-emitter voltage and thereby junction temperature estimation is demonstrated. Experimental results of a smooth power derating on a MW converter are shown for two junction temperatures.
derating/uprating reliability junction temperature collectoremitter voltage power converter