B4_Gef-class: Class "Gef": irradiation and irradiance on the generator plane.

Description

This class contains the global, diffuse and direct irradiation and irradiance on the horizontal plane, and ambient temperature.

Arguments

Objects from the Class

Objects can be created by the function calcGef.

Slots

GefI:

Object of class "zoo" created by fInclin. It contains these components:

Bo:: Extra-atmospheric irradiance on the inclined surface (W/m²)
Bn:: Direct normal irradiance (W/m²)
G, B, D, Di, Dc, R:: Global, direct, diffuse (total, isotropic and anisotropic) and albedo irradiance incident on an inclined surface (W/m²)
Gef, Bef, Def, Dief, Dcef, Ref:: Effective global, direct, diffuse (total, isotropic and anisotropic) and albedo irradiance incident on an inclined surface (W/m²)
FTb, FTd, FTr:: Factor of angular losses for the direct, diffuse and albedo components

GefD:

Object of class "zoo" with daily values of global, diffuse and direct irradiation.

Gefdm:

Object of class "zoo" with monthly means of daily global, diffuse and direct irradiation.

Gefy:

Object of class "zoo" with yearly sums of global, diffuse and direct irradiation.

Theta:

Object of class "zoo" created by fTheta. It contains these components:

Beta:: numeric, inclination angle of the surface (radians). When modeTrk='fixed' it is the value of the argument beta converted from degreesto radians.

Alfa:

numeric, azimuth angle of the surface (radians). When modeTrk='fixed' it is the value of the argument alfa converted from degrees to radians.

cosTheta:

numeric, cosine of the incidence angle of the solar irradiance on the surface

iS:

numeric, degree of dirtiness.

alb:

numeric, albedo reflection coefficient.

modeTrk:

character, mode of tracking.

modeShd:

character, mode of shadows.

angGen:

A list with the values of alfa, beta and betaLim.

struct:

A list with the dimensions of the structure.

distances:

A data.frame with the distances between structures.

Extends

Class "G0", directly. Class "Meteo", by class "G0", distance 2. Class "Sol", by class "G0", distance 2.

Methods

as.zooD: signature(object = "Gef"): conversion to a zoo object with daily values.
as.zooI: signature(object = "Gef"): conversion to a zoo object with intradaily values.
as.zooM: signature(object = "Gef"): conversion to a zoo object with monthly values.
as.zooY: signature(object = "Gef"): conversion to a zoo object with yearly values.
as.data.frameD: signature(object = "Gef"): conversion to a data.frame with daily values.
as.data.frameI: signature(object = "Gef"): conversion to a data.frame with intradaily values.
as.data.frameM: signature(object = "Gef"): conversion to a data.frame with monthly values.
as.data.frameY: signature(object = "Gef"): conversion to a data.frame with yearly values.
indexD: signature(object = "Gef"): index of the solD slot.
indexI: signature(object = "Gef"): index of the solI object.
indexRep: signature(object = "Gef"): accesor for the match slot.
getLat: signature(object = "Gef"): latitude of the inherited Sol object.
xyplot: signature(x = "Gef", data = "missing"): display the time series of daily values of irradiation.
xyplot: signature(x = "formula", data = "Gef"): displays the contents of a Gef object with the xyplot method for formulas.

Author

Oscar Perpiñán Lamigueiro.

References

Perpiñán, O, Energía Solar Fotovoltaica, 2025. (https://blogs.upm.es/oscarperpinan/libros/esf/)
Perpiñán, O. (2012), "solaR: Solar Radiation and Photovoltaic Systems with R", Journal of Statistical Software, 50(9), 1-32, tools:::Rd_expr_doi("10.18637/jss.v050.i09")