Mohammad Afkar, R. Gavagsaz-Ghoachani, M. Phattanasak, S. Pierfederici
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This paper investigates losses in a two-input boost converter operating on continuous current conduction mode with a constant switching frequency. The converter can be applied for renewable sources such as photovoltaic cells and fuel cell applications where several stacks of cells are separated. A thermal imaging camera shows the temperature distribution for the main switch devices when all input powers are identical. A synchronous rectifier is used to reduce the losses on the switch devices. Using a anti-parallel diode and the MOSFET is compared in terms of losses. One can observe that using a synchronous rectifier offers higher efficiency than using a diode.
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