Description Usage Arguments Value Author(s) References See Also Examples
Compute the performance of the different parts of a centrifugal pump fed by a frequency converter following the affinity laws.
1 | fPump(pump, H)
|
pump |
|
H |
Total manometric head (m). |
lim |
Range of values of electrical power input |
fQ |
Function constructed with |
fPb |
Function constructed with |
fPh |
Function constructed with |
fFreq |
Function constructed with |
Oscar Perpiñán Lamigueiro.
Abella, M. A., Lorenzo, E. y Chenlo, F.: PV water pumping systems based on standard frequency converters. Progress in Photovoltaics: Research and Applications, 11(3):179–191, 2003, ISSN 1099-159X.
Perpiñán, O, Energía Solar Fotovoltaica, 2012. (http://procomun.wordpress.com/documentos/libroesf/)
Perpiñán, O. (2012), "solaR: Solar Radiation and Photovoltaic Systems with R", Journal of Statistical Software, 50(9), 1-32, http://www.jstatsoft.org/v50/i09/
NmgPVPS
, prodPVPS
, pumpCoef
, splinefun
.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | library(latticeExtra)
data(pumpCoef)
CoefSP8A44<-subset(pumpCoef, Qn==8&stages==44)
fSP8A44<-fPump(pump=CoefSP8A44,H=40)
SP8A44=with(fSP8A44,{
Pac=seq(lim[1],lim[2],by=100)
Pb=fPb(Pac)
etam=Pb/Pac
Ph=fPh(Pac)
etab=Ph/Pb
f=fFreq(Pac)
Q=fQ(Pac)
result=data.frame(Q,Pac,Pb,Ph,etam,etab,f)})
#Efficiency of the motor, pump and the motor-pump
SP8A44$etamb=with(SP8A44,etab*etam)
lab=c(expression(eta[motor]), expression(eta[pump]), expression(eta[mp]))
p<-xyplot(etam+etab+etamb~Pac,data=SP8A44,type='l', ylab='Efficiency')
p+glayer(panel.text(x[1], y[1], lab[group.number], pos=3))
#Mechanical, hydraulic and electrical power
lab=c(expression(P[pump]), expression(P[hyd]))
p<-xyplot(Pb+Ph~Pac,data=SP8A44,type='l', ylab='Power (W)', xlab='AC Power (W)')
p+glayer(panel.text(x[length(x)], y[length(x)], lab[group.number], pos=3))
#Flow and electrical power
xyplot(Q~Pac,data=SP8A44,type='l')
|
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.