Variable Rate LPPT Based Droop Controlled Operation of Photovoltaic System for Microgrid Frequency Regulation

V, Janaki Ramaiah (2016) Variable Rate LPPT Based Droop Controlled Operation of Photovoltaic System for Microgrid Frequency Regulation. Masters thesis, Indian Institute of Technology Hyderabad.

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Abstract

The objective of this thesis is to improve the frequency regulation of an islanded microgrid system consisting of photovoltaic (PV) system. Operating the PV system in Limited power point tracking (LPPT) mode gives provision for the application of droop control on the PV system active power, which in turn enhances the frequency regulation of the microgrid. LPPT is a control technique used for extracting the desired amount of power that may be less than the maximum available power from the PV system. Variable rate LPPT is the superior control technique among the available LPPT control techniques, which is employed in the work. The droop controller implemented in this thesis provides the required power reference command for the limited power operation of a PV system based on the deviation of bus frequency from its nominal value (50 Hz/60 Hz). A case study is presented to validate the effectiveness of the above-mentioned concept.

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IITH Creators:
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Item Type: Thesis (Masters)
Uncontrolled Keywords: LPPT, Droop Control, PV System, TD580
Subjects: Physics > Electricity and electronics
Divisions: Department of Electrical Engineering
Depositing User: Library Staff
Date Deposited: 12 Jul 2016 04:44
Last Modified: 12 Jul 2016 07:01
URI: http://raiith.iith.ac.in/id/eprint/2519
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