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[
1
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:
f
r
eq
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c
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,
wav
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,
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y
m
m
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[
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[
3
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,
f
r
eq
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u
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I
n
[
3
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is
p
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a
tech
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ical
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n
d
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co
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m
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T
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881
2.
P
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E
NC
E
S
[1
]
J.
P
e
rk
o
,
Co
mp
a
riso
n
o
f
Gr
id
Ru
les
a
n
d
S
t
a
n
d
a
rd
HRN
EN
5
0
1
6
0
,
El
e
k
tro
teh
n
ičk
o
d
ru
štv
o
Zag
re
b
,
E
-
b
i
b
li
o
tek
a
,
Zag
re
b
,
2
0
1
0
.
(in
Cro
a
ti
a
n
)
.
[2
]
Eu
ro
p
e
a
n
S
tan
d
a
rd
,
V
o
lt
a
g
e
Ch
a
ra
c
ter
isti
c
s
o
f
El
e
c
tricity
S
u
p
p
l
ied
b
y
Pu
b
li
c
Distrib
u
ti
o
n
Ne
two
r
k
s
(
EN
5
0
1
6
0
)
,
Bru
ss
e
ls,
Be
lg
iu
m
,
2
0
0
7
.
[3
]
H.
M
a
rk
ie
w
ich
,
A
.
Kl
a
jn
,
Vo
lt
a
g
e
Distu
rb
a
n
c
e
s,
S
ta
n
d
a
rd
EN
5
0
1
6
0
,
G
u
id
e
,
Eu
ro
p
e
a
n
Co
p
e
r
In
st
it
u
te,
W
ro
c
law
Un
iv
e
rsit
y
o
f
Tec
h
n
o
lo
g
y
a
n
d
Co
p
p
e
r
De
v
e
lo
p
m
e
n
t
A
ss
o
c
iatio
n
,
2
0
1
4
,
W
ro
c
law
,
2
0
1
4
.
[4
]
F
.
Ou
tf
e
rd
in
e
e
t
a
l.
,
"
F
e
a
sib
il
it
y
o
f
S
u
b
stit
u
ti
o
n
o
f
th
e
Co
n
v
e
n
ti
o
n
a
l
S
tree
t
L
ig
h
ti
n
g
In
sta
ll
a
ti
o
n
b
y
th
e
P
h
o
to
v
o
lt
a
i
c
Ca
se
S
t
u
d
y
o
n
a
M
u
n
ici
p
a
li
ty
in
A
g
a
d
ir
in
M
o
ro
c
c
o
,
"
I
n
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
Co
m
p
u
te
r
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
,
V
o
l
7
,
No
5
:
Oc
to
b
e
r
2
0
1
7
[5
]
I.
Ra
m
lj
a
k
,
J.
P
e
rk
o
,
M
.
Ž
n
id
a
r
e
c
,
“
Vo
lt
a
g
e
Fl
ick
e
rs
a
s
Vo
lt
a
g
e
Qu
a
li
ty
Pr
o
b
lem
i
n
In
d
u
stri
a
l
S
e
c
to
r”
,
T
h
e
In
tern
a
ti
o
n
a
l
S
y
m
p
o
siu
m
o
n
P
o
w
e
r
Qu
a
li
ty
,
Tes
li
ć
,
Bo
sn
ia an
d
He
rz
e
g
o
v
in
a
,
2
0
1
7
[6
]
M
.
W
a
si
f
U
m
a
r
e
t
a
l.
,
”
P
W
M
Dim
m
in
g
f
o
r
Hig
h
Brig
h
tn
e
ss
LE
D
Ba
se
d
A
u
to
m
o
ti
v
e
L
i
g
h
ti
n
g
A
p
p
li
c
a
ti
o
n
s”
,
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
E
lec
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
,
V
o
l
7,
No
5
.
Oc
t
o
b
e
r
2
0
1
7
[7
]
Ž.
No
v
in
c
,
Po
we
r Qu
a
li
ty
,
G
ra
p
h
is,
Zag
re
b
,
Cro
a
ti
a
,
2
0
0
6
.
(in
Cro
a
ti
a
n
)
[8
]
Z.
Kla
ić,
M
e
su
re
me
n
t
a
n
d
An
a
lys
is
o
f
Po
we
r
Qu
a
li
ty
in
Distrib
u
ti
o
n
Ne
two
rk
Acc
o
rd
in
g
to
E
u
ro
p
e
a
n
S
ta
n
d
a
rd
E
N
5
0
1
6
0
,
M
a
ste
r
w
o
rk
,
Os
ij
e
k
,
Cro
a
ti
a
,
2
0
0
6
.
(i
n
Cro
a
ti
a
n
)
B
I
O
G
RAP
H
I
E
S O
F
AUTH
O
RS
J
u
r
ica
Per
k
o
,
M
En
g
(IE
EE
M
9
1
2
4
6
0
0
4
;
2
0
1
1
)
w
a
s
b
o
rn
in
Dj
a
k
o
v
o
o
n
Ju
ly
1
3
,
1
9
8
8
.
He
o
b
tai
n
e
d
h
is
BS
c
d
e
g
re
e
(2
0
1
0
)
a
n
d
M
S
c
d
e
g
re
e
(2
0
1
2
)
in
e
lec
tri
c
a
l
e
n
g
in
e
e
rin
g
a
t
th
e
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
Un
iv
e
r
sity
o
f
Jo
sip
Ju
ra
j
S
tr
o
ss
m
a
y
e
r
Os
ij
e
k
a
n
d
c
u
rre
n
tl
y
a
tt
e
n
d
i
n
g
P
h
D stu
d
ies
a
t
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
Co
m
p
u
ter S
c
ien
c
e
a
n
d
In
f
o
rm
a
ti
o
n
T
e
c
h
n
o
lo
g
y
Os
ij
e
k
.
Cu
rre
n
tl
y
h
e
is
a
n
En
e
rg
y
Ex
p
e
rt
a
t
R
e
g
io
n
a
l
En
e
rg
y
Ag
e
n
c
y
No
rth
in
Ko
p
riv
n
ica
,
Cro
a
ti
a
.
His
m
a
in
in
tere
sts
a
re
re
n
e
wa
b
le
e
n
e
rg
y
so
u
rc
e
s,
e
n
e
rg
y
e
ff
i
c
ien
c
y
,
p
u
b
li
c
li
g
h
ti
n
g
s
y
ste
m
s
a
n
d
e
lec
tro
m
o
b
il
it
y
.
H
e
h
a
s
p
u
b
li
s
h
e
d
1
0
tec
h
n
ica
l
p
a
p
e
rs
in
jo
u
r
n
a
ls
a
n
d
in
tern
a
ti
o
n
a
l
c
o
n
f
e
re
n
c
e
s.
He
is
a
M
e
m
b
e
r
o
f
I
EE
E
P
E
S
S
o
c
iety
,
P
EL
S
S
o
c
iety
a
n
d
S
m
a
rt
Cit
ies
Co
m
m
u
n
it
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2088
-
8708
C
o
mp
a
r
a
tive
A
n
a
lysi
s
o
f P
o
w
er Qu
a
lity I
n
d
ices fo
r
Differ
en
t Lig
h
tin
g
Tech
n
io
g
ies in
….
(
Ju
r
ica
P
erko
)
887
S
r
e
te
Ni
k
o
lo
v
s
k
i,
Ph
D.El
.
E
n
g
.
(IE
EE
M
’
1
9
9
5
,
S
M
’
2
0
0
5
)
w
a
s
b
o
rn
i
n
Be
lg
ra
d
e
o
n
Oc
to
b
e
r
1
,
1
9
5
4
.
He
o
b
tain
e
d
h
is
BS
c
d
e
g
re
e
(1
9
7
8
)
a
n
d
M
S
c
d
e
g
re
e
(1
9
8
9
)
,
in
e
lec
tri
c
a
l
e
n
g
in
e
e
rin
g
a
t
th
e
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
Un
iv
e
rsity
o
f
Be
lg
r
a
d
e
a
n
d
h
is
P
h
D
d
e
g
re
e
f
ro
m
th
e
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
a
n
d
Co
m
p
u
ti
n
g
En
g
in
e
e
rin
g
,
Un
iv
e
rsity
o
f
Za
g
re
b
,
Cro
a
ti
a
in
1
9
9
3
.
Cu
rre
n
tl
y
h
e
is
a
F
u
ll
P
r
o
f
e
ss
o
r
a
t
P
o
w
e
r
En
g
in
e
e
rin
g
De
p
a
rtme
n
t
a
t
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
J.J.
S
tro
ss
m
a
y
e
r
Un
iv
e
rsit
y
in
Os
ij
e
k
,
Cro
a
ti
a
.
Hi
s
m
a
in
in
tere
sts
a
re
p
o
w
e
r
s
y
ste
m
p
ro
tec
ti
o
n
,
p
o
w
e
r
s
y
ste
m
m
o
d
e
li
n
g
,
sim
u
lat
io
n
a
n
d
re
li
a
b
i
li
ty
.
He
h
a
s
p
u
b
li
sh
e
d
1
8
0
tec
h
n
ica
l
p
a
p
e
rs
i
n
jo
u
r
n
a
ls
a
n
d
i
n
tern
a
ti
o
n
a
l
c
o
n
f
e
re
n
c
e
s.
He
is
a
S
e
n
io
r
M
e
m
b
e
r
o
f
IEE
E
Re
li
a
b
i
li
ty
S
o
c
iety
,
P
ES
S
o
c
iety
a
n
d
th
e
m
e
m
b
e
r
o
f
Cro
a
ti
a
n
Na
ti
o
n
a
l
C
o
m
m
it
tee
o
f
CI
G
R
E
Lju
b
o
m
i
r
M
a
jd
a
n
d
ž
ić
Ph
D.M
e
c
h
.
E
n
g
,
wa
s
b
o
rn
o
n
Ju
ly
4
,
1
9
6
0
in
Iv
a
n
jsk
a
a
t
Ba
n
ja
L
u
k
a
.
He
g
r
a
d
u
a
ted
tw
o
p
o
st
stu
d
ies
:
in
1
9
9
9
a
t
th
e
F
a
c
u
lt
y
o
f
M
e
c
h
a
n
ica
l
En
g
in
e
e
rin
g
a
n
d
Na
v
a
l
A
rc
h
it
e
c
tu
re
Un
iv
e
rsit
y
o
f
Zag
r
e
b
a
n
d
i
n
2
0
0
1
a
t
t
h
e
F
a
c
u
lt
y
o
f
Eco
n
o
m
ics
in
Zag
re
b
.
F
ro
m
2
0
0
1
t
o
2
0
0
3
w
o
rk
in
g
o
n
a
P
h
D
T
h
e
sis
a
t
th
e
F
ra
u
n
h
o
f
e
r
In
stit
u
te
f
o
r
S
o
lar
En
e
rg
y
,
D
e
p
a
rt
m
e
n
t
of
e
lec
tri
c
p
o
we
r
s
y
ste
m
s,
in
F
re
ib
u
rg
,
G
e
r
m
a
n
y
.
H
e
o
b
tain
e
d
h
is
P
h
D
d
e
g
re
e
a
t
th
e
F
a
c
u
lt
y
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
a
n
d
Co
m
p
u
ti
n
g
in
Zag
re
b
in
2
0
0
4
.
He
wa
s
a
ss
o
c
iate
p
ro
f
e
ss
o
r
a
t
F
a
c
u
lt
y
of
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
Un
iv
e
rsity
o
f
Os
ij
e
k
.
A
u
th
o
r
is
o
f
6
4
sc
ien
ti
f
ic an
d
p
ro
f
e
ss
io
n
a
l
p
a
p
e
rs
in
th
e
f
ield
o
f
e
n
e
rg
y
,
re
n
e
w
a
b
le
e
n
e
rg
y
a
n
d
su
sta
in
a
b
le
d
e
v
e
lo
p
m
e
n
t.
He
is
a
m
e
m
b
e
r
o
f
th
e
In
tern
a
ti
o
n
a
l
S
o
lar
E
n
e
rg
y
S
o
c
iet
y
(IS
ES
),
t
h
e
G
e
r
m
a
n
S
o
c
iety
f
o
r
S
o
lar
a
n
d
th
e
Cr
o
a
ti
a
n
En
e
rg
y
A
ss
o
c
iatio
n
.
No
w
h
e
is
se
n
io
r
a
d
v
iso
r
a
t
En
v
ir
o
n
m
e
n
tal
P
ro
tec
ti
o
n
a
n
d
E
n
e
rg
y
Eff
icie
n
c
y
F
u
n
d
,
Zag
re
b
,
Cr
o
a
ti
a
Evaluation Warning : The document was created with Spire.PDF for Python.