A simple model for sizing stand alone photovoltaic systems

Sidrach‐de‐Cardona, M.; Mora‐López, Llanos

doi:10.1016/s0927-0248(98)00093-2

Cited by 81 publications

(43 citation statements)

References 8 publications

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“…The more sophisticated methods of sizing [1][2][3][4][5][6][7][8]13 use the concept of the loss of load probability (LLP) and longterm system modelling to determine analytical expressions for the generator and battery size. LLP is the fraction of time of load demand which cannot be met by the system.…”

mentioning

confidence: 99%

“…The sizing methods [1][2][3][4][5][6][7][8] use long-term monthly average radiation values and daily series of solar radiation data. When using sequences of measured past daily solar radiation data a limitation regarding the accuracy of the results is naturally arising since the 'historical' daily solar radiation profile is very unlikely to be repeated in the future.…”

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confidence: 99%

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SHORT COMMUNICATION: Does climate change affect the design of stand-alone PV systems?

Fragaki

Markvart

2005

Prog. Photovolt: Res. Appl.

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This paper investigates the effect of using sequences of past daily solar radiation data on PV system sizing for the case of Efford (UK). For a given system configuration that never sheds load, the lowest SOC reached by the battery is found by an energy balance model, and the energy deficit calculated for a given climatic cycle. Although the average irradiation changes little during the years 1958-1994, there is a substantial increase in the storage requirement, which seems to be related with an increase in the persistence of low solar radiation values.

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confidence: 99%

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confidence: 99%

SHORT COMMUNICATION: Does climate change affect the design of stand-alone PV systems?

Fragaki

Markvart

2005

Prog. Photovolt: Res. Appl.

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“…The Loss of Load Probability, LLP , is the reliability index given by most of the stand-alone photovoltaic system (SAPV) sizing methods [1][2][3][4][5][6][7][8][9][10]. This index represents the ratio of the global deficit to the global energy demand, both considered throughout the installation operating time.…”

Section: Introductionmentioning

confidence: 99%

Mathematical approach to the characterization of daily energy balance in autonomous photovoltaic solar systems

Casares¹,

Varo²,

López-Luque³

et al. 2016

REPQJ

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Abstract.Stochastic simulation methods are normally extended as the only available to assess the reliability of the PV system implies the generation, for an extended period of time, of the main state variables of the physical equations describing the energy balance of the system, that is, the energy delivered to the load and the energy stored in the batteries. Most of these methods consider the daily load as a constant over the year and control the variables indicating the reliability associated with the supply of power to the load. Furthermore, these methods rely on previous random models forgenerating solar radiation data and, since the approximations of the simulation methods are asymptotic, when more precise reliability indicators are required, the simulation period needs to be extended. This paper presents a mathematical methodology to address the daily energy balance without resorting to simulation methods.

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“…As Tunisia's climate is considered semi-arid and it is good insolated country [5], the use of a photovoltaic autonomous installation for water pumping in remote areas is required. Thus, since the sizes of the photovoltaic installation components affect its autonomy [6,7], it is necessary to define some adequate values for the components' parameters, such as the photovoltaic panel surface and the number of batteries [8,9].…”

Section: Introductionmentioning

confidence: 99%

Algorithm for Optimum Sizing of a Photovoltaic Water Pumping System

Yahyaoui¹,

Ammous²,

Tadeo³

2015

IJCA

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A sizing algorithm for a photovoltaic water pumping installation composed of photovoltaic panels, battery' bank, DC/AC converters and a water pump is presented. Considering criteria related to the battery' bank safe operation, fulfilling the water volume needed by the crops and ensuring a continuous operation of the pump, the algorithm decides the size of the installation' components. The installation' cost using the presented and the basic algorithms are compared. Obtained results confirm that the water demand is covered during the crops' vegetative cycle with a minimum use of the battery' bank and minimum cost. General TermsSizing, Photovoltaic Energy.

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A simple model for sizing stand alone photovoltaic systems

Cited by 81 publications

References 8 publications

SHORT COMMUNICATION: Does climate change affect the design of stand-alone PV systems?

SHORT COMMUNICATION: Does climate change affect the design of stand-alone PV systems?

Mathematical approach to the characterization of daily energy balance in autonomous photovoltaic solar systems

Algorithm for Optimum Sizing of a Photovoltaic Water Pumping System

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