The Market Value of Variable Renewables

https://isiarticles.com/bundles/Article/pre/pdf/14772.pdf

The market value of variable renewables ☆ ☆☆: The effect of solar wind power variability on their relative price

The contribution of solar photovoltaics (PV׳s) in generation of electric power is continually increasing. PV cells are commonly modelled as circuits. Finding appropriate circuit model parameters of PV cells is crucial for performance evaluation, control, efficiency computations and maximum power point tracking of solar PV systems. The problem of finding circuit model parameters of solar PV cells is referred to as “PV cell model parameter estimation problem,” and is highly attracted by researchers. In this paper, the existing research works on PV cell model parameter estimation problem are classified into three categories and the research works of those categories are reviewed. Based on the conducted review, some recommendations for future research are provided.

Parameter estimation of solar photovoltaic (PV) cells: A review

Integration costs revisited – An economic framework for wind and solar variability ☆

World-wide water scarcity, especially in the developing world, indicates a pressing need to develop inexpensive, decentralized small-scale desalination technologies which use renewable resources of energy. This paper provides a comprehensive review of the state-of-the-art in one of the most promising of these technologies, solar-driven humidification–dehumidification (HDH) desalination. Previous studies have investigated many different variations on the HDH cycle. In this paper, performance parameters which enable comparison of the various versions of the HDH cycle have been defined and evaluated. To better compare these cycles, each has been represented in psychometric coordinates. The principal components of the HDH system are also reviewed and compared, including the humidifier, solar heaters, and dehumidifiers. Particular attention is given to solar air heaters, for which design data is limited; and direct air heating is compared to direct water heating in the cycle assessments. Alternative processes based on the HDH concept are also reviewed and compared. Further, novel proposals for improvement of the HDH cycle are outlined. It is concluded that HDH technology has great promise for decentralized small-scale water production applications, although additional research and development is needed for improving system efficiency and reducing capital cost.

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The potential of solar-driven humidification–dehumidification desalination for small-scale decentralized water production

This paper focuses on a Matlab/SIMULINK model of a photovoltaic cell. This model is based on mathematical equations and is described through an equivalent circuit including a photocurrent source, a diode, a series resistor and a shunt resistor. The developed model allows the prediction of PV cell behaviour under different physical and environmental parameters. The model can also be used to extract the physical parameters for a given solar PV cell as a function of temperature and solar radiation. In addition, this study outlines the working principle of PV module as well as PV array. In order to validate the developed model, an experimental test bench was built and the obtained results exhibited a good agreement with the simulation ones. Keywords-Matlab, SIMULINK, PV, solar cell model, solar array model, solar radiation, maximum power point

https://ijrer.com/index.php/ijrer/article/viewFile/157/pdf

MATLAB/Simulink Based Modelling of Solar Photovoltaic Cell

This paper focuses on a MATLAB/Simulink model of a photovoltaic cell. This model is based on mathematical equations and is described through an equivalent circuit including a photocurrent source, a diode, a series resistor and a shunt resistor.The developed model allows the prediction of PV cell behavior under different physical and environmental parameters. The model can also be used to extract the physical parameters for a given solar PV cell as a function of temperature and solar radiation. In addition, this study outlines the working principle of PV module as well as PV array.In order to validate the developed model, an experimental test bench was built and the obtained results exhibited a good agreement with the simulation ones.

https://ijrer.com/index.php/ijrer/article/download/157/pdf

MATLAB/Simulink Based Modeling of Photovoltaic Cell

Modelling and simulation of a water desalination station with solar multiple condensation evaporation cycle technique

The objective is to determine the value of photovoltaic (PV) energy when large PV systems are incorporated into the electric utility generation mix. Performance analysis shows that hydro availability, generation mix, maintenance schedules, ramping rates, fuel costs, spinning reserve requirements, PV power fluctuations, and geographical diversification are among the major factors that influence the economic and operational value of PV systems for large-scale applications. Economic analysis of various PV systems shows that PV energy cost (c/kWh) depends primarily on the PV capacity factor and capital cost, while the level of PV penetration is influenced by system characteristics. It was found that for a $2000/kW capital cost, the energy costs are 15.3 c/kWh and 1.4 c/kWh, for 10.55% and 25% capacity factors, respectively. Additionally, the study shows that the breakeven cost for the PV system ranges from $1211/kW to $361/kW, depending on the resource availability, generation mix, and fuel costs. >

A model to determine the degree of penetration and energy cost of large scale utility interactive photovoltaic systems

The objective of this study is to determine the economic and operational impact on energy cost of incorporating large photovoltaic (PV) and wind energy conversion systems (WECS) into the electric utility generation mix. In most cases, PV and WECS power outputs are subtracted from the utility load with the expectation that conventional generation would meet the residual load. This approach is valid for small penetration levels and/or for PV and WECS facilities connected near load centers, However, several constraints such as thermal generation characteristics, fuel supply and delivery, spinning reserve requirements, and hydro availability are not adequately represented in this process. To determine the optimal value of large-scale PV and WECS applications, a new methodology that would take into account the aforementioned constraints as well as a more global penetration is developed. Results indicate that while high hydro availability increases PV penetration levels, high ramping rates can also significantly increase penetration levels. >

Mounir Bouzguenda

Papers

MATLAB/Simulink Based Modelling of Solar Photovoltaic Cell

MATLAB/Simulink Based Modeling of Photovoltaic Cell

Modelling and simulation of a water desalination station with solar multiple condensation evaporation cycle technique

A model to determine the degree of penetration and energy cost of large scale utility interactive photovoltaic systems

Value analysis of intermittent generation sources from the system operations perspective