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This article introduced what AC coupling and DC coupling is, and compared the differences between AC coupling vs DC coupling from the aspects of working principle, flexibility, solar-utilization and cost.

Power MOSFETs are the main component of high-power switching power supplies in portable devices. This article will use some examples to give the steps to calculate MOSFET power consumption and see its operating temperature.

Decommissioning and recycling of used PV modules has become an increasingly prominent problem. Now solar panel recycle has become a topic of concern.