2 description of operation, Figure 5.1 – Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE User Manual
Page 20
Advertising

5-2
DESCRIPTION OF OPERATION
1557-UM050F-EN-P – June 2013
S
P
E
E
D
COM
M
A
ND
S
P
E
E
D
RA
M
P
S
P
E
E
D
CONT
ROL
M
OT
OR
M
ODE
L
L
INE
CONV
E
RT
E
R
F
E
E
DB
A
CK
CU
RR
E
NT
CONT
ROL
F
L
UX
CONT
ROL
S
K
IP
S
P
E
E
DS
L
INE
CONV
E
RT
E
R
P
ROT
E
CT
IO
N
M
A
CH
INE
CONV
E
RT
E
R
P
ROT
E
CT
IO
N
M
A
CH
INE
CONV
E
RT
E
R
F
E
E
DB
A
CK
S
Y
NC
HR
ONOUS
T
RA
NS
F
E
R
F
lux
F
e
e
d
b
a
ck
S
lip
S
p
e
e
d
M
a
g
n
e
tizin
g
Cu
rr
e
n
t
Com
m
a
n
d
T
o
rq
u
e
Cur
re
n
t
Com
a
n
d
S
ta
to
r
F
re
q
u
e
n
cy
T
a
ch
F
e
e
d
b
a
ck
M
OT
OR
F
a
u
lts
V
o
lta
g
e
F
e
e
d
b
a
ck
Cur
re
n
t
F
e
e
d
b
a
ck
DC
L
ink
M
o
to
r F
ilte
r
Cap
a
cito
r
F
a
u
lts
V
o
lta
g
e
F
e
e
d
b
a
ck
Cur
re
n
t
F
e
e
d
b
a
ck
L
ine
Con
ve
rte
r
M
a
ch
ine
Con
ve
rte
r
L
ine
Con
ve
rte
r
F
ir
ing
A
n
g
le
M
a
ch
ine
Con
ve
rte
r
F
ir
ing
A
n
g
le
(P
xxx)
I
n
d
icat
e
s a
r
e
a
d
/wr
ite
p
a
ra
m
e
te
r with
a
line
a
r n
u
m
b
e
r o
f
xxx.
(V
xxx)
I
n
d
icat
e
s a
r
e
a
d
o
n
ly va
riab
le
wi
th
a
line
a
r n
u
m
b
e
r o
f
xxx.
S
p
e
e
d
Com
m
a
n
d
s
Figure 5.1
Advertising