TELKOM
NIKA Indonesia
n
Journal of
Electrical En
gineering
Vol. 14, No. 3, June 20
15, pp. 388 ~ 4
0
1
DOI: 10.115
9
1
/telkomni
ka.
v
14i3.788
5
388
Re
cei
v
ed Fe
brua
ry 20, 20
15; Re
vised
April 24, 201
5; Acce
pted
May 5, 201
5
Design of Interior Daylighting Shading Control using LV
and PVsyst So
ftware
Nibedita Da
s
*
, Nitai Pal, Pradip Kumar
Sadhu
Dep
a
rtment of Electrical E
ngi
neer
ing, Ind
i
an
School
of Min
e
s (und
er MHR
D
, Govt. of
India), Dhan
ba
d,
Jharkh
and, Ind
i
a, T
e
l.:+
91-32
6-22
3-56
23; fa
x: +
91-3
26-2
2
9
-
656
3
*Corres
p
o
ndi
n
g
author, e-ma
i
l
: nibe
dita
das_
200
4@re
diffmail.com
A
b
st
r
a
ct
Vitality pr
oficie
nt, expe
nse sp
arin
g in
ha
bitan
c
e,
pla
nni
ng
a
nd
mor
e
re
gul
arity contro
l th
e pass
i
v
e
shad
ing
of i
n
te
rior l
i
ghti
ng,
a
creat
ive r
eas
o
nab
le c
onfi
gur
ation
metho
d
o
l
ogy
of rooftop
solar PV
mo
du
le
structure outli
n
e
is prese
n
t
ed
here. T
h
is pa
p
e
r is centere
d
to bui
ld
up th
e utili
z
a
ti
on of in
active sun or
ie
nte
d
shading system
s for sunshine ins
i
de li
ght
ing to create
a high vis
ual
level by
considering differ
e
nt
para
m
eters, for exampl
e, establis
h
m
e
n
t, site deter
mi
natio
n, and exec
uti
on chec
k
i
ng of
the sun bas
ed
PV
fra
m
e
w
o
r
k
u
t
i
l
i
z
i
ng
wo
rld
w
i
d
e ra
d
i
a
t
i
o
n
,
temp
e
r
a
t
u
r
e
,
mu
ggi
n
e
ss, p
r
e
c
i
p
i
t
ati
o
n
,
d
a
y
s wi
th
p
r
e
c
ip
i
t
a
t
i
o
n
,
and
course,
dayl
i
gh
ting sp
an
to foc
u
s the
utili
z
a
tio
n
an
d
ma
t
e
ria
l
ness of s
u
ch fr
amew
orks in
th
e Kolk
otta ar
e
a
s
in Indi
a. This p
aper is
del
in
ea
ted spec
ial
i
z
e
d
,
savvy,
shadin
g
move
me
nt modu
le
misfortu
ne a
nd sp
arin
g
o
f
non-risky
g
a
s
and
gre
e
n
p
e
rspectives,
alo
n
g
sid
e
ex
ecuti
o
n e
n
li
ghte
n
m
e
n
t of LE
D i
n
st
allati
on
w
i
th th
eir
lifesp
an util
i
z
i
n
g Litho
n
i
a
Visu
al softw
are
(LV) and ph
otovo
l
taic (PVsyst) softw
are.
Ke
y
w
ords
: ph
otovolta
ic (PVsyst) softw
a
re, lithoni
a vi
su
al softw
are (LV), daylig
htin
g, LED
lamp
Copy
right
©
2015 In
stitu
t
e o
f
Ad
van
ced
En
g
i
n
eerin
g and
Scien
ce. All
rig
h
t
s reser
ve
d
.
1. Introduc
tion
Globally, ad
vance
d
dayl
i
ghting te
ch
nology
won
dere
d
ab
out
interio
r
de
signi
ng
encompa
sse
d
and
expo
sed to
wards the
cu
sp of
a sophi
sticat
ed lightin
g d
e
sig
n
by di
nt of
clea
ning
sola
r photovoltai
c
(PV) re
so
urce from
ol
d ag
e lighting tex
t
ure to LE
D a
nd organi
c L
E
D
(OLE
D) [1]. From field of b
o
th buildin
g a
nd brig
htenin
g
of inner p
a
rt lighting sub
s
tan
c
e with a
n
optical co
nne
ction
of asso
ciation
of wi
n
dows o
r
stylish im
pa
ct
o
n
the b
a
sed
environ
ment
to
exploit the
oppo
rtunity, while
focu
sin
g
on
t
he h
u
man i
n
terfa
c
e i
n
si
de a
given
scop
e o
f
visuali
z
ation,
is cle
a
r
whe
n
con
s
id
eri
n
g
the st
artin
g
numbe
r of cleanin
g
gree
n stru
ctu
r
e
s
by
sele
cting diffe
rent irregul
ar
sha
d
ing
cre
a
ted by
the LED at full quality will match u
s
er n
eed [2].
The de
mog
r
a
phy and
stipu
l
ates of inte
ri
or
lightin
g en
viron have b
e
en re
ne
wed
sense of
expectatio
n
a
nd explo
r
atio
n about Indi
a
para
de.
The
illumination t
opolo
g
y is exhorted th
e ci
vic
comm
unity to
fascinate
be
st con
s
tru
c
tio
n
an
d fun
c
tio
n
of
3 dim
e
n
s
ion
a
l
sha
d
in
gs
scen
es from
PV resou
r
ce
s. By accou
n
ting PV meteorolo
g
ical
data in aid of designi
ng
optical light
ing
solutio
n
s
usi
ng PV roof p
anel m
eant f
o
r b
u
ilding
a
n
attra
c
tive a
nd de
co
rative
diverse a
r
e
a
of
inner
surro
u
nds for exa
m
ple
sh
oppi
ng p
r
e
c
in
ct,
hou
seh
o
ld li
ghting.
Con
c
urrently, stip
ulated
energy expe
nditure
e
n
h
ancement
of
geo
graphi
cal/
statistical
sites,
syntheti
c
h
o
u
r
ly da
ta
gene
ration, visuali
z
atio
n of the lighting h
ourly
value
s
and e
c
on
omy tariff can be
possibl
e by the
first-rate hig
h
e
st qu
ality of brightn
e
ss
wi
th the lo
west
co
st of propri
e
tary rig
h
t vision. This pap
er
is tende
d to the pre
s
i
z
ing
of standalo
n
e
PV for
Indian LED lig
hting dia
s
po
ra
at a verifiable
robu
st state l
i
ghting for int
e
rio
r
environ
mental facad
e
s to chan
ge
the footprin
t by saving 6
0
percenta
ge o
f
global lighti
ng ele
c
tri
c
ity usag
e. The
rene
wed illu
mination in
commercial a
nd
resi
dential
a
pplian
c
e
s
,
Denon
LED F
l
ush
Mou
n
t l
i
ght ha
s te
n
den
cy of hi
g
h
-qu
a
lity col
o
r
rend
eri
ng (CR), utmo
st e
n
lightenm
ent, optimum lig
ht effectivene
ss, n
egligi
b
le
daylighting t
o
xic
wa
ste plu
s
ha
zardou
s g
r
ee
n hou
se impa
ct.
By sch
eming
sha
d
ing
on a
roof of a
buil
d
ing
a
nd its i
ndoo
r/outdo
o
r
spa
c
e
s
can
able to
dimuni
sh
up
to 9
0
p
e
rcent
of the
r
mal h
eat
ing
plant a
n
d
cli
pping
do
wn
sun
ney
sea
s
on
temperature,
improve sol
a
ce a
nd sav
e
energy. T
he dissertatio
n
is strai
ned
to exemplify an
innovative bu
ilding room li
ght de
sign
m
odel fr
a
m
e b
a
se
d on
sol
a
r pan
els on t
he top
roof
of
building to
co
ntrol shadin
g
effect and irradiati
on of so
lar PV modul
e for re
du
ce
building
ene
rg
y
con
s
um
ption
and m
a
intaini
ng a
comfort
able i
ndoo
r
condition.
Mo
reove
r
, to mi
nimize
ele
c
tri
c
al
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
De
sign of Interio
r
Da
ylighti
ng Shadin
g
Contro
l u
s
ing L
V
and PVsyst
Software (Ni
bedita Das)
389
and the
r
mal i
m
pact
and o
p
tical lo
sse
s
to full fill
the shortfall of en
e
r
gy co
nsume
r
deman
d, co
st-
cutting tariff optimization, e
fficiency enh
ancement
an
d more lumin
ance without
interruption a
n
d
most impo
rta
n
t quality, LED light pro
d
u
c
tion of interi
or lighting pl
a
n
.
Here, this co
ntext has offered a n
e
w
topology mo
del for both
sha
d
ing an
d
interior
lighting design utilizing the
daylight
ing
concept with the help
of Li
thonia Visual
(L
V) software and
PVsyst software. Thi
s
PVsyst is
a P
C
base
d
an
alyzer,
whi
c
h is endeavo
r
ing
to simulate
all
difficult imperatives with Si
PV system and day
lighting based
LV softwar
e is for an illuminating
interio
r
roo
m
with LED light. Like
wise
, due to availability of the area a
r
oun
d
125 m² in this
softwa
r
e, the
simul
a
tion a
n
imation
s
of
workin
g
wind
ow a
r
e
end
e
a
voring
to ga
uge the
shad
ing
comp
one
nt, irra
diation, illu
mination an
d
laminar
di
stri
bution thro
ug
hout the wo
rking pl
an of the
surfa
c
e i
n
a three
-
dim
e
n
s
i
onal mo
del surface in a
chargi
ng d
o
m
a
in and
co
nstruct a h
ealth
ier
lighting outlin
e different wit
h
applia
nce
s
.
For enhancing
durability
and reduction of
glare,
architectu
ral
and
visual i
n
tegration is a
major re
quire
ment to imp
r
ove efficien
cy
of overa
ll pe
rforma
nce of
interio
r
lightin
g de
sign
of t
he
building.
Thu
s
, in
stallation
of tilted sol
a
r PV mo
du
le win
d
o
w
h
a
s
a capa
bil
i
ty to improv
e
aesth
etic app
eara
n
ce
a
nd tried
to dimini
sh
li
ght
tra
n
smissi
on
and
can
therefore
act
as shadi
ng
device di
scu
s
sed in [3].
No
w days, a
different ki
nd
of non co
nve
n
tional
hom
o sola
r PV mod
u
le in India a
r
e tried
to install a
s
much
as to f
u
lfill layoffs powe
r
dem
and
, that’s a gre
a
t positive attempt to imminent
forwa
r
d for im
proving
civic
benefi
c
ial poi
nt of
view and the spe
c
ifie
d benefici
a
l summits a
r
e:
a)
flashy and a
p
pealin
g mod
u
s op
era
ndi,
b)
total shingl
e roof integrate
d
for m
agnifice
nt visualizatio
n and mon
u
m
ent,
c)
redu
ction of li
ght
pollution
and green h
a
z
ardou
s,
d)
high du
rabilit
y and increa
sed homo
se
rvice,
e)
redu
ction of e
l
ectri
c
ity tariff
and libe
r
ated
electri
c
ity,
f)
plea
sant sta
n
d
-alo
ne sy
ste
m
for dome
s
ti
c, comm
ercia
l
and hu
sh-hu
s
h vicinity,
g) no
stru
ctu
r
al
sup
port
requi
red for in
stall
a
tion,
h)
homo roof co
vering, mod
u
l
e
and inverte
r
desig
ning a
s
UL listing,
i)
redu
ction of o
peratio
n and
maintena
nce co
st,
j)
AC and DC hi
gh and lo
w lu
men load
can
be use
d
.
The PV sha
d
ing h
a
s hap
pene
d be
ca
u
s
e of th
e ex
pand
ed n
u
m
ber
of intro
d
uce
d
PV
frame
w
orks
whi
c
h
wa
s in
fluenced p
o
in
ted by an
in
creme
n
t in th
e qua
ntity of PV framewo
r
ks
being
intro
d
u
c
ed
an
d le
ssen
ed th
e
sunlight
of
ou
tside
and
in
side
st
ru
ctures, tree
s, ha
zed
atmosp
he
re
s, and
so fo
rth of the
g
eometry
and
profundity
of edg
e
spa
c
e
s
. Also, the
embodi
ment
of sola
r rooftop buildi
ng
shadin
g
for mi
nimizin
g
the
diverse sort
of misfortu
ne
as
befuddl
e misf
ortune
of
module
sh
ow yield is
a
d
epen
dant o
n
the si
ze
s a
nd pa
rallel
st
ring
c
l
us
ter as
soc
i
ations
[4-6].
Figure 1. Solar path at Kol
k
ata u
s
ing P
V
syst software
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 23
02-4
046
TELKOM
NI
KA
Vol. 14, No. 3, June 20
15 : 388 – 40
1
390
Site review in
formation
ab
out the Kol
k
a
t
a ar
e
a
a
r
e g
a
there
d
utili
zing site
re
qui
rements
of the
scope,
longitu
de, el
evat
ion
coo
r
d
i
nates of L
a
t. 22.5
˚
N
,
Lo
ng
. 8
8
.
3
˚
E, Alt
.
13m with time
zon
e
is
sho
w
n in Fi
gure
1 and
cont
ains m
onth t
o
month met
eorol
ogi
cal i
n
formatio
n from
Meteonorm/Global
record as NASA.
The Figure 2,
demonstrates
t
he aggregate global
radiation
on ho
rizontal
plan i
s
mo
st
extreme u
p
t
o
4.84
K
W
h/
m2day a
nd ti
lted point of
PV module
a
nd its
beam di
stri
bu
tion of ho
rizo
ntal plan i
s
of
f 5.
18 and
2.37KWh/m
2. Contin
gent u
pon the l
a
titude of
the city area,
the average
disp
er
sion of hourly sola
r
irra
diati
on a
r
ray density ca
n be evaluate
d
utilizing
Mete
onorm an
d p
y
ranom
eter
with temp
er
a
t
ure a
nd
clim
ate, atmosph
e
re
be
cau
s
e
of
inge
stion of e
x
hibit throug
h
PV module
by tilted between 20 to 2
5
˚
with azim
uth
a
l edge
of ze
ro
degree from
su
rfaces fo
r evaluati
ng t
he warm
executio
n of sunli
ght of
structures as these
frame
w
orks/a
uthoritie
s a
r
e
to be intro
d
u
c
ed
at sla
n
te
d plots fo
r greatest p
r
ofici
ency, a
s
sho
w
n
in Figure 3.
Figure 2. Meteo monthly computation
s
at Kolkata
Figure 3. Inci
dent rraditatio
n
Distri
bution
Thoroug
hne
ss of lo
ad
ca
pacity an
d
si
ze inte
nde
d f
o
r h
o
me
use
,
reflecta
nce
wind
ow
optics of pole
s
apa
rt sh
adi
ng patterns a
nd differe
nt
configuration o
f
PV array are accou
n
ted
by
sele
cting a n
u
mbe
r
of se
ri
es pa
rallel
assembli
es
PV
module a
nd t
he output (i
-v cha
r
a
c
teri
sitics),
sha
d
ing effe
ct report
s
of solar PV ca
n b
e
determi
ned
by using no
minal pa
rame
tric value
s
of the
manufa
c
tured
PV module.
2. Frame
w
o
r
k of Solar PV module
The goal is to
have very concrete and ta
ngibl
e thing
s
that cleane
d energy resou
r
ce
s like
sola
r PV for off-grid dom
estic / non
-d
omesti
c and
grid-con
ne
cted distri
bute
d
or cent
rali
zed
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
De
sign of Interio
r
Da
ylighti
ng Shadin
g
Contro
l u
s
ing L
V
and PVsyst
Software (Ni
bedita Das)
391
power ge
ne
ration and oth
e
r utilities
with the ultima
te obje
c
tive of makin
g
po
wer save and
co
st
minimization
of Indian exterior a
nd interi
or lighting.
Wo
rldwi
de, the on g
r
id/of
f
grid co
nne
cted sola
r PV powe
r
pe
rd
ured to b
e
th
e faste
s
t
gro
w
ing
po
wer g
ene
ration
techn
o
logy.
Whe
r
ea
s i
n
case
of India,
due to la
ck of
stand
ards, la
nd
acq
u
isitio
n p
r
oblem
s, la
ck of e
nd
user awarene
ss
and
high
cost, etc., negli
g
ible a
m
ount
s of
solar power
have
shared
in the total installed
renewable
power
capacity. Yet,
for fulfill short
f
all
of power a
n
d
gro
w
ing
pop
ulation a
nd p
u
sh
req
u
ir
em
ent, a mainly
different p
r
og
ram initiate
d
by
the Gove
rnm
ent’s
and
po
wer Se
ctor
Comp
any
, th
e India
n
sol
a
r
ene
rgy
sector h
a
s b
een
emigrating
rapidly from
2007 to onwards [7-9].
For utilizing
5,000 Trilli
on kWh per
year solar
energy poten
tial, In Janua
ry 2010, India
governm
ent
has la
un
che
d
the JNNSM
prog
ram,
with
a
target to
achi
eve 20,00
0 M
W
by the
yea
r
20
22. As
a
con
s
e
que
nce
,
the sol
a
r ind
u
stry in
India
is
looki
ng towards to get the
stron
g
impu
lsion b
o
th in
terms of ad
vertising a
n
d
manufa
c
turi
ng
quality and lo
w pri
c
e poly
s
i
licon PV pan
el material
s that woul
d dri
v
e the growth
of urban
sect
or.
In spite of the fact that, the glob
al rad
i
at
ion of prod
ucin
g su
n ba
sed vitality ordinarily
taking into
accou
n
t the su
n
s
pot nu
mbe
r
(SSN) i.
e. era
gene
ration of
photo curren
t and flow fro
m
the su
n o
r
ien
t
ed ra
diation
activity index
is ne
ede
d
by
the scop
e of t
he spot, sunli
ght time, oth
e
r
than othe
r n
e
i
ghbo
rho
od
condition
s, for example,
d
a
ylighting
cli
m
ate conditio
n
, pre
c
ipitatio
n,
daylighting
h
ours, temp
erature
and
wa
rm effe
ct,
se
a
s
on
s and
sno
w
spread
list [10].
Conve
r
sely,
these key factors actio
n
influen
ced on
shade
s an
d
Solar sha
d
i
ng device
s
o
f
Indian Kolkotta
metrop
oliticia
ns that i
s
ch
o
s
en
as exa
m
ple for
PVsy
s
t software an
d Lithonia Vi
sual softwares to
play a signifi
cant role for
cooli
ng, heati
ng and
d
a
ylighting en
erg
y
consumptio
n of an interi
or
room of a buil
d
ing.
This pa
pe
r is
dealt with a stand alon
e 19
0W, 220V Si bipola
r
sol
a
r
homo inte
rior
lighting
intende
d for
desi
gne
d and
sized to
sup
p
ly DC
and/o
r
AC p
o
wer d
r
iven ap
plian
c
e
s
alo
ng
with a
n
interior room
lighting outline
utilizi
ng soli
d
stat
e LE
D l
a
mps for
shadingfull, embellish,
enhanced
profici
e
n
c
y a
nd life
co
mp
ass of
light,
se
curity
of li
ght contami
n
ation a
nd
nu
rse
r
y im
pa
ct
and
addition
ally generally spa
r
ing of force ut
ilization.
The lumin
o
u
s
efficiency of
DC lo
ad p
o
wer LED li
ghtin
g lamp of lo
w- high lu
men
(60
-
15
0
lx) ca
n be
ill
uminated
wit
hout
the
assi
st of inve
rter from a
sta
n
dalon
e solar
PV panel m
e
ans
con
s
um
ption
of two third e
l
ectri
c
ity can
dire
ct
ly save,
invented by Lie and Boe
k
e in 20
12 [1
1-
12]. Ho
wever, the req
u
isite
of inverter
h
a
s effe
ct
ed a
cornu
c
opi
a ef
ficien
cy loss i
n
the p
r
e
s
en
ce
of grid co
nne
cted hom
o se
rvice.
Based o
n
integrate
d
sol
a
r roofing, selli
ng of sola
r PV module for
interio
r
lightin
g desi
g
n
has an
alyze
d
as PV ($/kWh)
and
battery co
st ($/W
h
)
ha
s
red
u
ced
from 2
000
to
1000
an
d 1.1
to
0.25 betwe
en
year of 2000 to 2030 wh
ere a
s
PV and LED lumin
ous efficie
n
cy has increa
sed
from 10 to 22 and 10 to 200
W. Instea
d of a grid tied
or gri
d
intera
ctive, off-grid ro
of top usin
g
micro inve
rter and
po
we
r o
p
timize
r
sola
r PV modul
e t
e
ch
nolo
g
ies
have the
abili
ty to make
so
lar
PV systems
as mo
re efficient and enh
anci
ng de
sig
n
flexibility wi
th a tilted angle of 20
˚
to 25
˚
mounted
toward
s
south fa
cing to
produ
ce fu
rther
illu
minan
ce opti
c
s
for homo
interio
r
lightin
g
desi
gn which
wa
s de
sign
ed
by SIRSA,
India [13]
and h
a
ve tried to save electri
c
ity of Rs 233,0
0
0
with a 52 tonns of toxic green hou
se h
a
zy ca
rb
o
n
emissi
on prod
ucts
which h
e
lped to cut
off
electri
c
ta
riff is a g
ood
exa
m
ple for m
o
tiviate to imple
m
ent and i
n
st
all mono
cryst
a
llen PV pa
n
e
ls
in urba
n area
s.
For p
r
op
er
sha
d
ing effe
ct co
ntrol a
nd more el
ectri
c
ity gen
eration to
d
e
sig
n
for
daylighting of
interior lighti
ng, t
he orient
ation, footprin
t with t
he long axis run
n
in
g east-we
stward,
facad
e
s an
d
se
ction
s
of th
e edifi
ce
sh
o
u
ld b
e
south
facing
roof i
s
advanta
geo
us fo
r
sol
a
r
PV.
Hen
c
e
an
d
now,
sol
a
r in
vention i
s
ai
med to
inten
d
mo
re
qua
n
t
ity of roof
shingle
s
or wall
clad
ding
with
PV texture to
eliminate
the
pen
et
ration
of
ha
za
rdou
s and extra co
mpone
nts
of
t
h
e
envelop
e an
d providi
ng a
rationali
z
e
d
, visually app
ealing fa
çad
e
s
. Besid
e
s, i
n
the gro
w
th
of
sustainability, green
energy and lower t
a
riff/utility bill
s, so
lar PV roofing design is demanded to
prove
civi
c e
n
viron
a
s
a
n
excell
ent m
e
thod
of
b
o
o
s
ting overall energy
effici
ency of
inte
ri
or
lighting de
sig
n
of the buildi
ng.
For
sola
r ho
me lighting
d
e
sig
n
, in this pape
r, diffusion of glo
bal
radiatio
n of solar PV
module to
a
particula
r Kol
k
ata lo
catio
n
in India i
s
i
n
terpol
ated a
l
ong
with lati
tude, longitu
de,
sola
r p
a
th, tracking, i
n
ci
d
ence a
ngle
modifier (I
AM
) of th
e
refle
c
tor an
d d
egradation
rate
l
o
ss,
daylighting
a
rray
output
e
nergy,
plane
tilted an
d
a
z
imuth
an
gle
is a
c
counte
d
for ge
nerating
electri
c
ity to t
o
meet
ele
c
tric e
nergy de
mand, e
s
p
e
ci
ally for inte
rio
r
lightin
g d
e
si
gn p
r
o
s
pe
ctive,
is sh
own in Figure 4.
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 23
02-4
046
TELKOM
NI
KA
Vol. 14, No. 3, June 20
15 : 388 – 40
1
392
Figure 4. Isotropi
c diffuse f
r
om Kolkata climate
Since, the p
e
rcentag
e of
irra
dian
ce di
stribut
io
n for
radia
n
t array
isotro
pic
diffusio
n
is
sub
s
tantially l
o
we
r at hig
h
e
r latitude
s a
nd is
al
so
a functio
n
of incident an
gle d
epen
ds
on th
e
metro d
a
ta, module
orie
n
t
ation and tilt
ed an
gle.
He
nce, all th
e
most imp
o
rta
n
t key dyna
mics
requi
re
d for
desi
gning
an
d installi
ng
solar PV m
o
d
u
les to
imp
r
o
v
e illuminatio
n/sha
d
ing
of
the
reflecto
r so that total gen
erated
cu
rre
nt/powe
r
ca
n
be degrade
d according
to the effect of
sha
d
ing ratio. Due to mism
atch of mod
u
le with
that location a
r
ea, shadin
g
loss g
narly gen
erate
d
whi
c
h may hi
gh at a rang
e
of 3 to 5 percenta
ge
an
d the simulatio
n
results of PVsyst software,
as sho
w
n bel
ow in Figu
re
5.
Figure 5. Mismatch lo
ss of
PV module using PVsy
s
t
De
cently outli
ned
sun
cont
rol an
d shadi
ng gad
gets
can sig
n
ifica
n
tly decrea
s
e
building
top high tem
peratu
r
e
pick up an
d cooli
ng ne
ce
ss
itie
s an
d en
han
ce the commo
n lighting
nat
ure
of building in
side blin
ds,
wind
ow o
r
na
ments an
d shade
s. As, Interior
sha
d
ing
gadget
s oug
ht to
have an inte
lligent su
rface to reflect unde
sirabl
e l
i
ght back ou
tside yearly
cooli
ng vitality
utilization
can
be diminishe
d
by 5 to 15 percentag
e ha
ve been re
po
rted in [14].
The diffe
rent
sha
d
ing
meth
ods are utili
zed to
e
nha
nce u
s
er visu
al
sola
ce
by co
ntrolling
glare
and
di
minishi
ng diff
erentiatio
n
p
r
oportio
n
s,
as an effe
ct, currently interi
or gl
are
co
ntrol
gadg
ets are attempted to design lig
hting usin
g LE
D to give an electri
c
lighting frame
w
o
r
k to
Permit gathe
ring of the co
st effective energy savi
n
g
with the help of Lithonia Visu
al softwa
r
e.
Diverse spe
c
ialists have comp
osed
di
stinct
ive top
o
l
ogy on inn
e
r
pa
rt su
n p
o
we
red
sha
d
e
s
for
G
r
abe
r Blind
s
,
Shade
s, Sh
utters, a
nd
windo
w ha
ngin
g
s that h
a
ve
gone
do
wn
to
earth
and
e
m
bellishing
compon
ents to ma
ke
a
sound, vitality profi
c
ient, l
o
vely home:
the
impecca
ble choice for hom
es or b
u
si
ne
ss loca
le
s that don't pe
rmit outer su
rfa
c
e items.
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
De
sign of Interio
r
Da
ylighti
ng Shadin
g
Contro
l u
s
ing L
V
and PVsyst
Software (Ni
b
edita Das)
393
3. Methodol
og
y
3.1. Modus Opera
ndi for
Shading De
sign using PVs
y
s
t Soft
w
a
re
Solar sh
adin
g
pro
c
ed
ure
of the solar h
o
me sy
ste
m
has attempte
d to play a significa
nt
role to maint
a
in daylightin
g illumination
throug
hout i
n
an interi
or room of th
e buildin
g a
nd
helpin
g
to cu
rtail ene
rgy consumption.
Either, th
is
compos
ition is trying to pick
out a better
model
with in
ternal
wave shade
s an
d a
rigo
rou
s
si
mu
lation metho
d
for sola
r roo
f
panel insi
d
e
diverse weat
her
co
ndition
s to
supply
DC an
d/or A
C
electri
c
al
do
mestic ap
plia
nce
s
. In thi
s
pape
r
6.32 version
of use
r
freindly ap
pro
a
chi
ng
PVsyst softwa
r
e i
s
u
s
ed
for s
i
mulating
I-V
cha
r
a
c
teri
stics of PV mod
u
l
e and th
eir e
fficiency u
s
in
g modul
e, bat
t
ery ban
k, ba
ckup g
e
ne
rat
o
r,
regul
ator a
n
d
use
r
nee
d lo
ad, IAM verse tilt angle
of the panel, d
a
ily Meteo for Kolkata, sol
a
r
radiatio
n on
a hori
z
o
n
tal
surfa
c
e,
sha
d
ing
states
a
l
ong
with sh
ading lo
ss fo
r a whole ye
ar,
averag
e daily
sola
r radi
ation dist
ributio
n, partial
sha
d
ing of cell
s
and shaving
of light pollution
plus toxic g
a
s haza
r
d
s
.
In this
PV
s
y
s
t
software,
s
o
lar
GIS/Climat
e data
a
r
e in
clu
ded
Kolkotta
stati
ons by
importin
g
dat
a from i
n
tera
ctive map
u
s
i
ng Me
teosat
© EUMETSA
T
, ERA Interim © ECMWF
,
NCEP G
F
C
and
CFS dat
a so
urce. Fo
r de
signi
ng a
nd si
mulating
sha
d
ing
of a
sola
r roof of
a
building, different paramet
e
rs
have to s
e
t in
the c
o
mputer based PVSys
t
s
o
ftware such as
prelimi
nary m
ode, p
r
oje
c
t d
e
sig
n
, datab
a
s
e a
nd
spe
c
i
a
l tools fo
r g
e
tting an ap
proximation val
u
e
of sola
r radi
ation, monthl
y produ
ction
with t
heir
pe
rforman
c
e
s
a
nd u
s
er
defi
ned lo
ss of l
oad
con
s
i
s
ts of v
a
riou
s i
nput
para
m
eters,
sizes, in
ve
rte
r
efficie
n
cy, sha
d
ing anal
y
sis
a
nd sev
e
ral
variable
outp
u
t powe
r
s of the simulati
ng sy
stem a
nd the sch
e
m
atic dia
g
ra
m of PVsyst. To
harve
st the
cost effe
ctive
and
ene
rgy
saving
remu
n
e
ration
of
da
y lighting fo
r
building
inte
ri
or
room lig
hting
with ample
PV roof sp
ace desi
gn in t
he Kolkata a
r
ea
zon
e
, Si-mono
cry
s
talli
ne
based PV module (AE CQ M5/72 185
) is cho
s
e
n
in
this article
and their voltage and
current
cha
r
a
c
teri
stics with resp
ect
to irradiatio
n as sho
w
n in
Figure 6.
Figure 6. Mismatch Voltag
e and Current
c
haracte
ri
stics of PV mod
ue usi
ng PVsyst
As, mono
-crystalline
silico
n
cell
s are ge
nerally
mo
re
energy efficie
n
t, high perfo
r
man
c
e,
paire
d charg
e
s with
quali
t
y output
invention, long
e
v
ity, lesser i
n
stallatio
n
Costs, no
n to
xic
environ
menta
l
Con
c
e
r
n
s
, high the
r
mal
resi
stivit
y prope
rtie
s, ge
nerate
more
electri
c
ity a
nd
mostly the PV roof pane
ls are install
ed on t
he ro
of of building
s
with tilted
at 20
˚
foc
u
sed
towards the
latitude of th
e Kolkata
city. For
bo
osti
ng mo
dule
e
fficiency, p
r
o
per tilted
an
d
oriente
d
sola
r PV in th
e lo
cality environ
s, sho
u
ld be m
ounted
at
p
e
a
k pe
riod
s du
ring
daylighti
n
g
hour. So th
at, solar tra
cki
ng can b
e
fu
nction
ed
con
c
entrate to a
b
so
rb a
more sol
a
r a
r
ray to
prod
uce maximum power
usin
g the MPPT techniqu
e
,
which is ap
proximately 3
4
percent of flat
PV panels. With the hea
ding of re
sult
s will up
shot
the whole system more
depe
ndabl
e
and
eco
nomi
c
co
st effective and long life sp
an app
roxima
tely 20 years.
Only multi-crystalline sol
a
r PV are little bit
higher co
st than thin film sola
r PV
panel
s,
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 23
02-4
046
TELKOM
NI
KA
Vol. 14, No. 3, June 20
15 : 388 – 40
1
394
however a
c
hi
eving the day
lighting, initiative’s
PV outlay redu
ction t
a
rget
s have
aimed to
che
a
p
desi
gn and re
duce global p
r
ice tag at a faster
rate
tha
t
the moneta
r
y value of PV systems ne
xt
to about 75 p
e
rcente by 20
20.
In conte
m
pla
t
ion of eno
rmous the n
o
m
inal
a
rray
power fo
r e
c
onomi
c
o
p
timization, a
s
o
lar
PV in
ver
t
e
r
ass
i
s
t
s
in p
o
w
e
r
c
o
n
v
er
s
i
on
fr
om PV a
r
ra
y to
AC
fo
r
ho
mo
u
t
ens
il lo
ad
or
to
b
e
fed into the
utility grid. Currently, stan
d alon
e
inve
rter, battery
a
nd regul
ators use
with PV for
copi
ng with the power surges for
sola
r roof desig
n to control the
shadin
g
effect of a building
whe
n
sta
r
ting
ce
rtain lo
ad
s, es
pe
cially
those i
n
corp
o
r
ating hi
gh
-p
owe
r
ap
plian
c
e
s
. For ba
ckup
storin
g cha
r
g
e
s to p
r
eve
n
t from ba
d
weath
e
r a
n
d
to mitigate
the sh
ortag
e
po
wer,
sol
a
r
12V/160Ah
b
a
tteries an
d
of nominal
capa
city 480
Ah with b
a
ttery voltage of
24V at fixed
20
˚
temperature
are in
se
rted
with sol
a
r PV panel ove
r
a perio
d of hou
rs.
Problem
atic gist
such as glare red
u
ctio
n
and p
r
e
s
e
r
ving right sol
a
r shadi
ng, fading, and
increa
sed co
oling
tariff
is attempting
to curtail al
on
g
with controlli
n
g
the buildi
n
g
’
s ori
entation
on
the meri
dian
of weath
e
r
cli
m
ate and l
a
titude. With
th
e aim of ob
servation, sola
r po
we
r can
be
manag
ed to
illuminate
the in
doo
r li
ghting
de
sig
n
re
qui
reme
nts, be
exe
c
uted
in
a t
h
ree
dimen
s
ion
a
l
con
s
tru
c
tion
on n
ear shad
ings of
PV
system
s in
com
puter ba
sed
PVsyst software.
The criteria
o
f
this softwa
r
e are o
n
ly execute
d
on th
e reali
s
tic Me
teo data of a total surrou
n
d
ing
area even it will not match the r
eal geometrical com
patibility.
Gene
rally, so
uth-no
rth fa
cade
s a
r
e a
d
o
p
ted for
a
sh
ading
pattern
to ch
oo
se th
e wa
nted
degree
of
sh
ade
due
to t
he hi
gh
ab
so
rption
capa
city of solar en
ergy th
rou
gh
PV panel
du
ring
summ
er an
d
peak time o
f
day.
In the Three dime
nsio
nal co
nst
r
uctio
n
of a building, diffe
rent
config
uratio
n
s
such type p
a
rallel
epip
ed
and ele
m
enta
r
y obje
c
t / new obje
c
t sha
pe are take
n
for
sola
r roof de
sign.
By
d
e
fining
th
eir si
zes of
ba
se
width, top le
ng
th for
eave
s
,
roof tilt 2
0
°,
and
gable
1 an
gle
of (-45°
) a
n
d
by fixed azi
m
uth val
ue
e
x
actly 90°. By addin
g
mo
re
sha
d
ing
obje
c
ts
at the
sam
e
time a
s
sto
r
age
tower
and
a tree t
o
the
aspe
ct for m
o
re o
p
timization
a
nd
interpe
netrate the roof of the buildin
g, si
mulation resu
lt is sho
w
n in
Figure 7 bello
w.
Figure 7. Shading
scene
usin
g PVsyst
The executio
n
of
th
e sh
ado
w simula
tion
t
ool i
s
simulate
d fo
r the
wh
ole
sele
cted
daylighting
h
ours. Fo
r
ea
ch
step
time,
the d
a
te/h
o
u
r, sun ori
e
n
t
ation
of
the
sele
cted
buil
d
ing
façad
e
and it
s sh
adin
g
factor are di
spl
a
yed along the
real end of th
e 3-dim
e
n
s
io
nal win
dow.
3.2. Modus Opera
ndi for
Interior Ligh
ting De
sign using LV Soft
w
a
r
e
The way to pl
annin
g
an interio
r
lighting
of a s
unlig
ht based top bui
lding is to be
st exploit
the nea
rby da
y lighting, roo
m
size, coatin
g so
rt
and th
eir wi
ndo
w sit
uation, wa
rm
prote
c
tion an
d
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TELKOM
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ISSN:
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046
De
sign of Interio
r
Da
ylighti
ng Shadin
g
Contro
l u
s
ing L
V
and PVsyst
Software (Ni
b
edita Das)
395
sha
d
ing im
p
a
cts. Sin
c
e
the daylighti
ng ha
s
a
hu
g
e
pa
r
t
o
f
o
u
t
lin
in
g
s
t
r
u
c
t
ur
es
to
u
s
e
characteri
stic light to its fullest
lig
ht h
o
tspot fo
r all
intents
and
purp
oses all
insid
e
spa
c
e
s
to
maintain
a
strategic di
stan
ce from
Sha
d
i
ng imp
a
ct
in t
he ven
eer a
n
d
fene
stration
of un
de
sirable
sun b
a
sed ra
diation.
From an en
ergy pro
d
u
c
tivity perspe
c
ti
ve, usually, urban con
s
umers re
quire 16.9
percentages
of power for
utilizing
their electri
c
utensi
ls,
whi
c
h
c
an
be controlled
by a fitting solar
roof PV pa
nel
and d
e
si
gnin
g
interio
r
lig
hting. Wi
th the
se
rvice
of lo
w con
s
umpti
o
n, long life
a
n
d
more
brig
htn
e
ss ele
c
tri
c
L
E
D lamp
de
sign that take
s into a
c
cou
n
t
the full acknowl
edgm
ent
o
f
the vitality rese
rve fund
s advant
ag
e
of daylightin
g. If there should
ari
s
e
an o
c
curren
ce of
sunshi
ne and
bri
ghtening of
room
surface,
daylighti
n
g
illumi
nation is generally
fluctuated from
a cl
oudy
sky to splen
d
id
with a
ra
nge
of 10,00
0 a
n
d
10
0,000
lu
x and th
e
CCT fo
r di
stin
ctive
climate
atmo
sph
e
re
are v
a
ried
bet
wee
n
20
00k to
6
000K. Th
e hi
gh
CRI of
10
0 an
d inh
e
re
nt
con
n
e
c
ted sh
ading tem
perature
(CCT
) of 2700K
to
4000K of LE
D bea
m ha
s
the ca
pacity
to
illuminate appropriately in
residential appliances as foyers,
corri
dors, parlors, living rooms,
bedroom
s, work pl
aces, st
airways,
and
so on. Contra
sting an
d oth
e
r soli
d state
lighting fixtures,
illuminance, l
u
minarie out
put of the
high CRI LE
Ds i
s
favored for to
create warm
white light wi
th
a prevale
n
t daylighting qu
ality outline [15-16].
Hea
ded
for
check th
e exp
ense
situated
disp
laying
a
n
d o
u
tline
en
han
ceme
nt for in
sid
e
room
arra
ng
ement
sun
s
h
i
ne, en
han
ce
d shadin
g
re
nderi
ng
re
co
rd an
d temp
e
r
ature reliant
of
LED
DEEP DISH DE
NON
fixture of 3000K is chos
en in this
framework
us
ing computer
based
Lithonia visu
al (201
2 2.0
7
.0710
) soft
ware (LV
)
to visualizin
g 3-dim
e
n
s
iona
l viewing rai
s
e
s
prod
uctivity by decre
asi
ng
vitality misfortune
s to
cont
rol thermal mi
smat
ch. For e
nergy efficie
n
cy
in lumen o
u
tput, an innov
ative interior l
i
ghting
is
de
sign
ed for
da
ylighting sh
a
d
ing an
d the
PV
sha
de of a
sun ba
se
d ro
of ought to
be pla
nne
d i
n
su
ch
an a
ppro
a
ch to scoo
p light retire
s
straig
htforwardly into the way and onto the roof.
Curre
n
tly, for
the daylightin
g sim
u
lation
desi
gn
of i
n
te
rior ro
om lig
h
t
ing, feature
s
of LED
flush mo
unt 1
4
” dia
m
eter o
p
tics l
u
mina
ri
es a
r
e
1649.
3
lumen
s
at l
o
ng life
spa
n
of 50,000
ho
urs.
The lig
ht loss fact
or
(LLF
) of 0.85
an
d
modul
e/CRI is off LE
D b
eam of 2
0
8
>
80 a
r
e
set
with
variou
s pa
ra
meters of locality in the softwa
r
e su
ch a
s
0
˚
of
site orie
ntation and g
r
o
und
reflecta
nce should
be 15 f
o
r ove
r
cast
sky with
mo
de
rately grade
d
and
slight b
r
ighting to
wards
the wi
ndo
ws
whi
c
h
have
a
num
ber of
p
ane
s 2
an
d
glass thi
c
kne
s
s of
0.125
i
n
ch
es.
Fro
m
an
electri
c
al
poi
nt of view,
th
e ball
a
st
of L
E
D
Can
be
o
perate
d
at 12
0 Va
c
with a
n
inp
u
t voltag
e of
23.16 an
d be
am distri
butio
n of 72 lume
n
s
pe
r watt to
each re
ce
ss of a room i
s
d
i
rect, sc-0
=
1.
18,
sc-90
=
1.1
7
a
nd efficien
cy is 100 p
e
rcen
tage whi
c
h
i
s
received fro
m
the photo
m
etric tool of
this
LV softwa
r
e a
nd PVsyst sof
t
ware [17] a
r
e
sho
w
n bel
ow in Figure
s
8-10.
Figure 8. Ren
derin
g of daylighting of in
te
rior room d
e
si
gn usi
ng LV software
Evaluation Warning : The document was created with Spire.PDF for Python.
ISSN: 23
02-4
046
TELKOM
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KA
Vol. 14, No. 3, June 20
15 : 388 – 40
1
396
Figure 9. Wireframe of day
lighting of interio
r
roo
m
de
sign u
s
in
g LV softwa
r
e
Figure 10. Wi
refram
e Illumi
nan
ce pattern
of day
lighting of interior room de
sign u
s
ing LV
s
o
ftw
ar
e
4. Simulation Resul
t
s an
d Disscu
sio
n
4.2. Shading Design usin
g PVs
y
s
t Sof
t
w
a
r
e
For a
ppraisa
l on en
ergy
comp
utatio
n of PV system
s, this i
s
a n
o
vel
modelin
g
impleme
n
ted
for erg
ono
mic app
roa
c
h
of simul
a
ting
a
nd proj
e
c
ting 3-D ani
mation whe
r
e
all
meteorologi
cal, geographi
cal site
s of
st
atistics dire
ctl
y
fed to control the influen
c
e of photovo
l
taic
array shadi
ng
and
mi
smatch lo
ss an
d e
n
gend
ere
d
diff
erent
ki
nd of multiple sha
d
i
ng
effe
cts
like
row to row a
n
d
nearby obje
c
t to achieve
con
s
i
s
tent re
sults in PVsy
s
t.
The ele
c
tric e
nergy ne
ed for a sol
a
r ro
o
ftop of
building reflective fo
otprint is obta
i
ned by
56W upto
w
n evening hou
rs
un
de
r
cl
ea
r
and brig
ht
sky co
ndition
s in PVsyst
software,
but t
h
e
electri
c
ity d
e
m
and
is spiked at
a
rate
of 187
at 8 p
.
m.,
sho
w
n
in
Fig
u
re
1
1
and the average
redu
ction
du
ring the o
n
-p
eak
peri
od i
s
83W
with a
total day su
m and m
o
nt
hly sum
of 2
.
0
kWh/day and
60kwh/mth.
Evaluation Warning : The document was created with Spire.PDF for Python.
TELKOM
NIKA
ISSN:
2302-4
046
De
sign of Interio
r
Da
ylighti
ng Shadin
g
Contro
l u
s
ing L
V
and PVsyst
Software (Ni
bedita Das)
397
Figure 11. a)
User’
s
nee
ds:
domesti
c uses an
d (b) Simulation results
in PVs
ys
t s
o
ftware
This is a hit and trial method that is
tes
t
e
d
out
only th
e
entire
su
rro
u
nding
s
and
d
oes not
take into account the indi
vidual sizes
and geo
me
tri
c
al po
sition
s of the PV module
s
.Fo
r
every
hourly e
s
tim
a
tion of sha
d
ing, animati
on, the si
mu
lation metho
dology will i
n
se
rt interp
ol
ate
simulatio
n
, a
n
imation d
a
ta
as
per th
e
sun po
siti
on to
asse
ss the
current shadi
n
g
co
mpo
nent
o
f
the sola
r roof
of building a
nd the simul
a
tion
result of beam lo
ss a
n
d
module lo
ss amen
ded by
8.0 and
16.
3 pe
rcentag
e is
sh
own
in Figu
re
12. Thi
s
techniqu
e likewise p
e
rmit
s
the
developm
ent of the iso-sha
d
ing
s
cha
r
t a
nd attempt
ed
to provide a shade ove
r
the roof top of th
e
building
and
outsid
e
sp
aces inten
ded f
o
r re
du
cing t
e
mpe
r
atures
and p
r
eserve
energy, whi
c
h
gives
an e
ngi
neered
persp
ective of th
e
times of
th
e
day an
d sea
s
ons where th
e shadin
g
s a
r
e
es
pec
i
ally r
i
sk
y.
Figure 12. Shado
w animati
on of PVsyst softwa
r
e
4.2. Interior Lighting Des
i
gn using LV Soft
w
a
r
e
Lithonia Vi
su
al soft
ware i
s
applie
d to e
m
pha
size o
n
daylighting
electri
c
al
de
sign with
point by poin
t
lighting anal
ysis for
optim
al inte
rio
r
an
d exterio
r
lig
hting appli
c
at
ions
and o
n
l
y
target unifo
rm hori
z
ontal
work pla
ne ill
uminan
ce by
minimizi
ng sa
mple ru
n time with maximizing
accuracy by
gene
rating
n
u
meri
cal
re
su
lts of la
x/foot-Ca
ndel
a, dil
u
tion facto
r
a
nd unity po
wer
den
sity.
This softwa
r
e pro
g
r
am
g
enet
rat
ed
a 3-D
inte
rface
for ren
d
ering
any
a
n
g
le
to calcula
t
e
grid
s o
r
th
e
orie
ntation
of lighting
fixture o
n
a
n
y
su
rface of
wo
rk
spa
c
e
and
figu
re
out
dynamically to view li
ghtin
g environme
n
ts. The
deli
beratio
ns of t
h
is
software
also
let u
s
e
r
s to
gene
rate e
c
o
nomic
co
st o
p
timization,
simple pay
ba
ck and life
cycle co
st of a lumina
ri type of
lighting fixtures. The
simul
a
tion re
sults
of interior
/ext
erio
r wo
rk
sp
ace a
r
e avail
able in num
erical,
ISO-co
unte
r
and gray sc
al
e rend
ered fo
rmats.
The d
epth
of illumina
nce
and l
u
mina
na
rie d
a
yli
ghtin
g di
stributio
n
is
a fun
c
tion
of ro
om
wind
ow h
e
ig
ht relative to the workin
g
plane. Si
nce, internal
shadin
g
is le
ss effective than
Evaluation Warning : The document was created with Spire.PDF for Python.