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Abstract
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Article Information:
Non Linear Analysis of MPPT for Power Quality Improvement
S. Sankar, S. Ganesh, S. Saravanakumar and M. Padmarasan
Corresponding Author: S. Sankar
Submitted: February 16, 2015
Accepted: March 12, 2015
Published: August 05, 2015 |
Abstract:
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In this study the conventional inverter interfacing renewable energy sources with the grid, without any additional hardware cost. Here, the main idea is the maximum utilization of inverter rating which is most of the time underutilized due to intermittent nature of RES. Based on the non-linear characteristics of PV, these thesis designs a VSS controller to realize the maximum power output of PV arrays. The output power from renewable energy sources fluctuates because of weather variations. This study proposes an effective power quality control strategy of renewable energy sources connected to power system using Photovoltaic (PV) array. If the main controller used is a PR controller, any dc offset in a control loop will propagate through the system and the inverter terminal voltage will have a nonzero average value. In this strategy both load and inverter current sensing is required to compensate the load current harmonics. The non-linear load current harmonics may result in voltage harmonics and can create a serious PQ problem in the power system network.
Key words: Power quality, PV array, RES, voltage control, , ,
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Cite this Reference:
S. Sankar, S. Ganesh, S. Saravanakumar and M. Padmarasan , . Non Linear Analysis of MPPT for Power Quality Improvement. Research Journal of Applied Sciences, Engineering and Technology, (10): 1141-1153.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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