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The thermal stress of power electronic components is one of the most important causes of their failure. Proper thermal management plays an important role for more reliable and cost-effective energy conversion. As one of the most vulnerable and expensive components, power semiconductor components are the focus of this paper. Possible approaches to control the semiconductor junction temperature are...
The junction temperature of power semiconductors in power converters must not exceed its maximum limits and it is of major importance for several failure mechanisms. But still, the junction temperature is hard to access. Direct measurement is not practical for industrial applications, indirect measurements require substantial effort and available junction temperature models have high calculation effort...
Several maximum power point tracking (MPPT) methods have been proposed to optimize the energy harvesting of photovoltaic systems. However, the optimization of the energy harvesting can produce extremely variable loading of the power semiconductors resulting in a decrease of the system lifetime. This work proposes a multi-objective MPPT for two-stage photovoltaic converters, where the semiconductor...
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