NDLI: Design optimization of PVPP with solar trackers

Content Provider	IEEE Xplore Digital Library
Author	Zlatanov, H. Bogdanov, D.
Copyright Year	2014
Description	Author affiliation: R&D, Heliomasters, Stuttgart, Germany (Zlatanov, H.) \|\| Fac. of Electr. Eng., Tech. Univ., Sofia, Bulgaria (Bogdanov, D.)
Abstract	The support structure of CPV and PV trackers and heliostats are one of the most important cost elements of a solar plant because they typically contribute of ~20% - ~30% to the total cost of the system. Consequently, it is important to reduce the cost of solar trackers or heliostats as much as possible to improve the economic viability of a solar plant. In this paper, a new method is presented for optimizing trackers with arbitrary design and geometry. It is based on linear optimization and implemented as a custom-built finite element library, developed by the author. The user can choose from a set of configurable tracker geometries, which is extensible by arbitrary tracker geometries defined using a text file, and let the software optimize the amount of steel required for the support structure. Stress and buckling (lateral and local) validations are performed in conformity to Eurocode EN 1993-1-1 - Design of steel structures. Wind load assumptions are taken from the wind tunnel studies of Peterka and Derickson and applied as non-uniform load distributions on the tracker surface. Additional national standards can be considered by setting appropriate safety factors for wind and dead load. In summary, this software represents a powerful tool for optimizing and performing a preliminary design of CSP and PV structures with the potential to reduce developing times significantly. The results of the performed investigation could be used to determine the specific weight of a tracker in $kg/m^{2}$ as a function of the wind speed and tracker area with respect of the tracker aspect ratio. Next steps of the optimization task are targeted towards optimization of arrangement of tracking structures on site terrain with minimal ground works and optimization of the concentration of the generated electrical power and driving power supply.
Starting Page	1
Ending Page	4
File Size	910954
Page Count	4
File Format	PDF
ISBN	9781479958160
e-ISBN	9781479958177
DOI	10.1109/SIELA.2014.6871897
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-29
Publisher Place	Bulgaria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tracker CSP Target tracking PV Eurocode CPV Steel Aspect ratio Optimization FEM Geometry Design Wind speed Libraries Wind load Finite element analysis Heliostat
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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