Reduced to minimum cost: Lay-down heliostat with monolithic mirror-panel and closed loop control | Zendy

Andreas Pfahl | Zendy; Fabian Gross | Zendy; Phillip Liedke | Zendy; Johannes Hertel | Zendy; Jens Rheinländer | Zendy; Siddhant K. Mehta | Zendy; Juan Felipe Vásquez-Arango | Zendy; Stefano Giuliano | Zendy; Reiner Buck | Zendy

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Reduced to minimum cost: Lay-down heliostat with monolithic mirror-panel and closed loop control

Author(s) -

Andreas Pfahl,

Fabian Gross,

Phillip Liedke,

Johannes Hertel,

Jens Rheinländer,

Siddhant K. Mehta,

Juan Felipe Vásquez-Arango,

Stefano Giuliano,

Reiner Buck

Publication year - 2018

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.5067066

Subject(s) - heliostat , dimensioning , cost reduction , reduction (mathematics) , wind tunnel , computer science , concentrator , wind power , fabrication , engineering , control theory (sociology) , automotive engineering , control (management) , aerospace engineering , solar energy , electrical engineering , medicine , geometry , mathematics , management , alternative medicine , pathology , artificial intelligence , economics

A complete set of innovations are combined to a new heliostat of minimum cost. The main improvements are a monolithic sandwich-cantilever-arm concentrator of low material and fabrication cost, a lay down of the panels during storms to reduce the maximum wind loading of the structure, and a closed loop control to reduce the accuracy requirements on the mechanical components of the tracker. The design of the main heliostat components is described. The dimensioning of the heliostat is based on wind loads determined by wind tunnel tests. The resulting cost reduction and an outlook on possible modifications for further cost reduction is given.A complete set of innovations are combined to a new heliostat of minimum cost. The main improvements are a monolithic sandwich-cantilever-arm concentrator of low material and fabrication cost, a lay down of the panels during storms to reduce the maximum wind loading of the structure, and a closed loop control to reduce the accuracy requirements on the mechanical components of the tracker. The design of the main heliostat components is described. The dimensioning of the heliostat is based on wind loads determined by wind tunnel tests. The resulting cost reduction and an outlook on possible modifications for further cost reduction is given.

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