A CASCADED MULTILEVEL PHOTOVOLTAIC INVERTER TOPOLOGY WITH HYBRID PHASE DISPOSITION
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Authors:
C.Govindaraju
Dr.K.Baskaran
Abstract:
This paper presents a generalized cascaded multilevel photovoltaic inverter topology for grid connected PV systems with hybrid phase disposition PWM control scheme. Hybrid PWM strategy based on the combination of fundamental frequency PWM and high frequency phase disposition PWM which reduces the power losses and improves energy efficiency. A digital proportional
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This article is presented by:
V.SRIMAHESWARAN
PERFORMANCE ANALYSIS OF MULTI LEVEL INVERTER TOPOLOGY FOR PV CELL APPLICATION


PROBLEM IDENTIFICATION
  • The output of the PV cell is generally not continuous through out the day due to unstable solar radiation.
  • Traditional inverter harmonics and size of the filter is large.

OBJECTIVE
  • To analyze the multi level inverter with proportional integral current control algorithm for grid connected PV System to avoid unstable solar radiation.


LITERATURE SURVEY

Juan Manuel Carrasco, Leopoldo Garcia Franquelo,(2006), “Power-Electronic Systems for the Grid Integration of Renewable Energy Sources: A Survey”, IEEE Trans on Indus Electr ,53: 1002 – 1016.
  • Life time capacity of the PV cell is about 20 years.
  • Initial cost of the PV cell compare to the other resource.
  • Installation growth is decay so great future for PV system in coming years.

Kuei-Hsiang Chao, Ching-Ju Li, and Sheng- HanHo,(2008),“Modeling and Fault Simulation of PV Generation Systems Using Circuit Based Model”, ICSET : 290 -294.
  • To avoid the partial shading fault for using series and parallel connection of equivalent circuit.
  • Modeling of PV arrays with power systems.
Module performance of decay analysis of PV panel.




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