58 Electrical design and installation
Manual Power Quality Filter PQFM
M
a
x
im
u
m
rm
s
c
u
rr
e
n
t
o
f
th
e
d
o
w
n
s
tr
e
a
m
lo
a
d
s
(i
n
c
lu
d
in
g
s
ta
rt
in
g
c
u
rr
e
n
t
o
f
D
C
d
ri
v
e
s
):
X
1
=
…
..
A
rm
s
M
u
lt
ip
ly
X
1
b
y
1
.6
:
X
2
=
…
.
A
rm
s
C
T
c
a
b
le
s
>
3
0
m
e
te
rs
?
S
e
le
c
t
3
id
e
n
ti
c
a
l
C
T
’s
s
u
c
h
th
a
t:
-
ra
ti
n
g
a
t
p
ri
m
a
ry
≥
X
2
-
ra
ti
n
g
a
t
s
e
c
o
n
d
a
ry
:
5
A
-
B
u
rd
e
n
≥
1
5
V
A
-
C
la
s
s
1
a
c
c
u
ra
c
y
o
r
b
e
tt
e
r
N
O
S
e
c
ti
o
n
o
f
C
T
c
a
b
le
s
:
2
.5
m
m
²?
(r
e
c
o
m
m
e
n
d
e
d
)
D
e
te
rm
in
e
th
e
le
n
g
th
o
f
C
T
c
a
b
le
s
(m
e
te
rs
)
L
=
…
m
X
3
=
(L
x
0
.0
0
7
x
2
5
)
+
1
0
X
3
=
…
V
A
S
e
le
c
t
3
id
e
n
ti
c
a
l
C
T
’s
s
u
c
h
th
a
t:
-
ra
ti
n
g
a
t
p
ri
m
a
ry
≥
X
2
-
ra
ti
n
g
a
t
s
e
c
o
n
d
a
ry
:
5
A
-
B
u
rd
e
n
≥
X
3
V
A
-
C
la
s
s
1
a
c
c
u
ra
c
y
o
r
b
e
tt
e
r
D
e
te
rm
in
e
th
e
le
n
g
th
(m
)
a
n
d
re
s
is
ta
n
c
e
(
Ω
/m
)o
f
C
T
c
a
b
le
s
(m
e
te
rs
)
L
=
…
m
R
=
…
Ω
/m
X
4
=
(L
x
R
x
2
5
)
+
1
0
X
4
=
…
V
A
S
e
le
c
t
3
id
e
n
ti
c
a
l
C
T
’s
s
u
c
h
th
a
t:
-
ra
ti
n
g
a
t
p
ri
m
a
ry
≥
X
2
-
ra
ti
n
g
a
t
s
e
c
o
n
d
a
ry
:
5
A
-
B
u
rd
e
n
≥
X
4
V
A
-
C
la
s
s
1
a
c
c
u
ra
c
y
o
r
b
e
tt
e
r
N
O
Y
E
S
Y
E
S
Figure 35: Flow chart for CT determination
