Circuit topology study for distributed MPPT in very large scale PV power plants

  title={Circuit topology study for distributed MPPT in very large scale PV power plants},
  author={D. Sufi Ahmadi and Seyed Akbar Mansouri and Zhongjing Wang},
  journal={2011 Twenty-Sixth Annual IEEE Applied Power Electronics Conference and Exposition (APEC)},
In very large scale photovoltaic power plants (VLS-PV), due to partial shading and PV modules mismatching, a single point MPPT is not be efficient for all PV modules. Therefore, distributed maximum power point tracking (DMPPT) can be utilized to increase output power capability by increasing the number of converter/inverter units. In this paper, a simple circuit is introduced to achieve DMPPT. Then, the limitations of DC bus voltage, total output power, duty ratio of the different converter… CONTINUE READING
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