Abstract
Electric power generation techniques utilizing solar energy urge scientists to research and develop technologies using sustainable resources on a large scale with qualities close to the ideal resource. Solar collectors are crucial components of a Solar Thermal Power plant (STP) which are required to be within a certain feasible range in order to operate and provide solar thermal resources and intermittent inputs. The closed-loop controller design for solar collectors enhances the lifespan of STP. This paper presents first principle modeling of Parabolic Trough Collector (PTC) using therminol oil and Linear Fresnel Reflector (LFR) design using water as working fluid. Using step test method linear transfer function obtained at continuous and discrete domain nominal operating range. A continuous Proportional Integral (PI) controller is designed either with Static Feed Forward (SFF) control or with Predictive Function Control (PFC). Optimal performance of the controller is based on performance indicators obtained through various case studies.
Highlights
Industrial development from automation to electricity over time has always been fueled by energy sources
Solar collectors with therminol oil-based and direct steam generation-based nonlinear processes are analyzed in this study
Both processes are analyzed by the comparison of an open and closed-loop operation with constant and varying inputs
Summary
Industrial development from automation to electricity over time has always been fueled by energy sources. The Photovoltaic (PV) method uses semi-conductor technology [9] to directly convert sunlight into electricity This technology generates power when solar radiation is present [10] and the battery stores it as electric energy [11], [12]. Solar thermal technology consists of four common components: a concentrator, receiver, heat transfer fluid, and power conversion. It is either classified as a single axis or two-axis tracking technology, or as a line or point technology. The category of the twoaxis tracking technology or the point focus technology consists of the central receiver and parabolic dish technologies This hybrid solar plant design consisting of solar heat energy is transferred to oil in PTC, whereas water is used in LFR as the heat transfer fluid.
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