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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Swetapadma Panigrahi
Departement of Electrical and Electronics Engineering
Control & Systems Engineering Electrical & Electronics Engineering

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A Novel Approach for grid integration of Cascaded H-bridge Multilevel Inverter Under Partial Shading Condition Swetapadma Panigrahi; Amarnath Thakur
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 9, No 3: September 2018
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1234.712 KB) | DOI: 10.11591/ijpeds.v9.i3.pp1330-1337

Abstract

A modular cascaded H-bridge PV inverter system is presented in this paper. The modular structure of PV inverter helps in obtaining the maximum output power of PV system along with increase the overall efficiency of the whole system. Moreover to utilize the system up to the best a distributed MPPT controller is attached with each PV panel. As partial shading causes  power imbalance at the converter output that leads to imbalance grid current, a control technique called the modulation compensation is adopted in such a way that if three phase unbalanced voltage varies directly according to unbalanced power, the injected zero sequence voltage components make the grid current balanced.
Co-Authors Amarnath Thakur