Researchers at Delft University of Technology are investigating methods to improve shade tolerance in PV modules by integrating power electronics with maximum power point tracking (MPPT). Their study, published in Energy Reports, focuses on embedding planar air-core inductors within the module laminate or solar cells. These inductors, with values ranging from 0.3 μH to 3.2 μH, are influenced by design parameters like track spacing, width, and number of turns. Simulations show that using a switching frequency of 500 kHz and an inductor thickness of 0.5 mm can keep ohmic losses below 2% under standard conditions. This approach aims to enhance partial shading performance by reducing the need for external power converters, though challenges remain in optimizing performance and integration within PV modules.
Delft University studies inductor integration for MPPT
Delft University researchers propose integrating inductors into PV modules to improve shade tolerance using MPPT. (Image Source: ScienceDirect)
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