Modeling and control of a Linear Fresnel Collector system

Domínguez, Luis F.; Klasing, Freerk; Mercangöz, Mehmet

doi:10.1109/ecc.2014.6862351

Cited by 5 publications

(8 citation statements)

References 7 publications

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“…Domínguez et al [22] stated that two types of control actions have been presented (1) feedwater flow rate control (2) feedwater enthalpy control. For feedwater flow rate control, the mass flow rate of water is created as a manipulated control variable to maintain the mass flow rate of steam.…”

Section: B Lfrmentioning

confidence: 99%

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Solar Collectors Modeling and Controller Design for Solar Thermal Power Plant

2020

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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. INDEX TERMS Solar thermal power plant, proportional integral, parabolic trough collector, linear fresnel reflector, static feed forward, predictive function control.

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Section: B Lfrmentioning

confidence: 99%

“…Linear Fresnel Reflector (LFR) consists of flat mirrors that focus sunlight on a receiver pipe similar to schematic of PTC. This pipe carries water or a two-phase mixture to a steam drum called Direct Steam Generation (DSG) [22].…”

Section: ) Linear Fresnel Reflector (Lfr)mentioning

confidence: 99%

Solar Collectors Modeling and Controller Design for Solar Thermal Power Plant

2020

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“…where ∆x k = x k − x k−1 . Augmenting Equations (25) and (26), the complete state-space model is posed as follows:…”

Section: Offset-free State-space Mpcmentioning

confidence: 99%

“…Concerning the control of a Fresnel solar collector field, in [24,25] different control schemes for a Fresnel collector field are presented and an explicit MPC is developed and tested in a simulation environment. In [26], the modeling and control of a linear Fresnel collector system is addressed. In [27] a sliding model predictive control based on a feedforward compensation is developed and tested in simulation for a Fresnel collector field.…”

Section: Introductionmentioning

confidence: 99%

Incremental State-Space Model Predictive Control of a Fresnel Solar Collector Field

et al. 2018

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Model predictive control has been demonstrated to be one of the most efficient control techniques for solar power systems. An incremental offset-free state-space Model Predictive Controller (MPC) is developed for the Fresnel collector field located at the solar cooling plant installed on the roof of the Engineering School of Sevilla. A robust Luenberger observer is used for estimating the states of the plant which cannot be measured. The proposed strategy is tested on a nonlinear distributed parameter model of the Fresnel collector field. Its performance is compared to that obtained with a gain-scheduling generalized predictive controller. A real test carried out at the real plant is presented, showing that the proposed strategy achieves a very good performance.

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“…Another study by Dominguez et al [23] proposes a control of the whole solar field solely through feedwater or feedwater and recirculation flow rates control. The measured DNI is used for feedforward action, and two controls methods are studied through simulation.…”

Section: Vaporizer Feedwater Flow Rate Controlmentioning

confidence: 99%

Control systems for direct steam generation in linear concentrating solar power plants – A review

Aurousseau

Vuillerme

Bézian

2016

Renewable and Sustainable Energy Reviews

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Concentrating Solar Power (CSP) plants generate renewable electricity using the conversion of solar direct normal irradiation into thermal energy, then into mechanical work and electricity through the use of a thermodynamic cycle. Among the several available technologies, Direct Steam Generation (DSG), in which steam is generated directly in the absorber tubes of the solar field, and then directly fed to the turbine or thermal storage, holds interesting advantages. However, the steam generation system shows a difficult dynamic behavior which constitutes a challenge for the control system design. It is mainly due to the conjunction of the natural transient condition of solar irradiation and the presence of two phase flow in the absorber tubes. This paper reviews the control methods of the DSG systems used in linefocus CSP. The control systems are either proposed in literature, or actually applied in currently running plants or prototypes, although an extensive description is difficult to obtain in the case of the latter. The control systems are classified according to which DSG operation mode they refer to.

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Modeling and control of a Linear Fresnel Collector system

Cited by 5 publications

References 7 publications

Solar Collectors Modeling and Controller Design for Solar Thermal Power Plant

Solar Collectors Modeling and Controller Design for Solar Thermal Power Plant

Incremental State-Space Model Predictive Control of a Fresnel Solar Collector Field

Control systems for direct steam generation in linear concentrating solar power plants – A review

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