Description of operation 5-25, Machine converter protection – Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE User Manual
Page 43

DESCRIPTION OF OPERATION
5-25
1557-UM050F-EN-P –June 2013
M
o
to
r
O
/C
t
ri
p
(P
1
7
7
)
I
st
a
to
r
(V
3
4
0
)
T
IM
E
D
E
L
A
Y
M
o
to
r
O
/C
d
e
la
y
(P
1
7
8
)
M
o
to
r
o
ve
rcu
rr
e
n
t
F
a
u
lt
F
la
g
s
1
M
b
it
4
(V
3
7
0
)
M
o
to
r
O
/V
t
ri
p
(P
1
8
1
)
T
IM
E
D
E
L
A
Y
M
o
to
r
O
/V
d
e
la
y
(P
1
8
2
)
M
o
to
r
o
ve
rvo
lt
a
g
e
F
a
u
lt
F
la
g
s
1
M
b
it
6
(V
3
7
0
)
V
st
a
to
r
(V
3
4
4
)
M
o
to
r
O
/C
t
ri
p
(P
1
7
7
)
I
D
C
T
IM
E
D
E
L
A
Y
M
o
to
r
O
/C
d
e
la
y
(P
1
7
8
)
M
tr
h
/w
o
/c
F
a
u
lt
F
la
g
s
1
M
b
it
5
(V
3
7
0
)
D
C
O
/V
t
ri
p
(P
1
8
7
)
T
IM
E
D
E
L
A
Y
D
C
O
/V
d
e
la
y
(P
1
8
8
)
M
tr
d
c
o
ve
rvo
lt
a
g
e
F
a
u
lt
F
la
g
s
1
M
b
it
7
(V
3
7
0
)
V
D
C
G
n
d
f
lt
O
/V
tr
ip
(P
1
6
9
)
T
IM
E
D
E
L
A
Y
G
n
d
f
lt
O
/V
d
e
la
y
(P
1
9
0
)
N
e
u
tr
a
l
o
ve
rvo
lt
a
g
e
F
a
u
lt
f
la
g
s
2
b
it
5
(V
3
7
1
)
V
n
e
u
tr
a
l
m
o
to
r
(V
3
4
7
)
M
o
to
r
O
/S
tr
ip
(P
1
6
5
)
T
IM
E
D
E
L
A
Y
M
o
to
r
O
/S
d
e
la
y
(P
1
5
6
)
M
tr
o
ve
rsp
e
e
d
F
a
u
lt
f
la
g
s
2
b
it
2
(V
3
7
1
)
S
p
e
e
d
fe
e
d
b
a
ck
(V
2
5
9
)
H
A
R
D
W
A
R
E
S
O
F
T
W
A
R
E
T
R
IP
L
E
V
E
L
C
A
L
C
1
.0
4
p
u
-
M
o
to
r
O
/L
t
ri
p
(P
1
7
9
)
M
o
to
r
O
/L
d
e
la
y
(P
1
8
0
)
0
.5
M
o
to
r
o
ve
rl
o
a
d
F
a
u
lt
f
la
g
e
2
b
it
1
(V
3
7
1
)
M
o
to
r
o
ve
rl
o
a
d
w
a
ri
n
g
W
a
rn
in
g
f
la
g
s
b
it
1
(V
3
7
3
)
IN
T
E
G
R
A
T
O
R
I
st
a
to
r
(V
3
4
0
)
Machine Converter Protection