MSD Servo Drive AC-AC Operation Manual
moog
59
[
Appendix
]
Id. no.: CA65642-001 Date: 03/2012
A Appendix
A.1 Permissible current load for servo drives
The maximum permissible servo drive output current as well as the peak current are
dependent on the mains voltage, the motor cable length, the power stage switching
frequency, the design of cooling technology and the ambient temperature. The
maximum permissible current carrying capacity of the servo drives changes with any
change in application related conditions.
A.1.1 Current carrying capacity Size 1, air-cooled,
single-phase
Servo
drive
Sw
itc
hi
n
g
f
re
-
q
u
en
cy o
f t
h
e
p
o
w
er
st
ag
e
A
m
b
ie
nt
te
m
p
er
at
ur
e
Rated
current
Peak current [A
eff
]
at
230 V
AC
with linear increasing
rotating field
frequency 0 to 5 Hz
for inter-
mittent
operation
for
time
1)
[kHz]
[°C]([°F])
[A
eff
]
0 Hz
5 Hz
>5 Hz
[s]
G392-
004A
(Size 1)
4
+45 (+113)
4.0
8.0
8.0
8.0
10
8
+40 (+104)
4.0
8.0
8.0
8.0
12
3.7
7.4
7.4
7.4
16
2.7
5.4
5.4
5.4
Data apply for a motor cable length
≤
10 m
1) Shut-down according to I²t-characteristic
Table A.1 Rated and peak current Size 1 (air-cooled, single-phase)
A.1.2 Current carrying capacity Size 1 - Size 4, air-cooled,
triple-phase
Servo
drive
Sw
itc
hi
n
g
f
re
-
q
u
en
cy o
f t
h
e
p
o
w
er
st
ag
e
A
m
b
ie
nt
te
m
p
er
at
ur
e
Rated current
Peak current [A
eff
]
at
40
0 V
AC
at 4
60 V
AC
at 4
80 V
AC
with linear in-
creasing rotating
field frequency
0 to 5 Hz
for inter-
mittent
opera-
tion
for
time
1)
[kHz]
[°C]([°F]) [A
eff
] [A
eff
] [A
eff
]
0 Hz
5 Hz
>5 Hz
[s]
G392-004
(Size 1)
4
+45 (+113)
4.0
4.0
4.0
8.0
8.0
8.0
10
8
+40 (+104)
4.0
4.0
4.0
8.0
8.0
8.0
12
3.7
2.9
2.7
7.4
7.4
7.4
16
2.7
1.6
1.3
5.4
5.4
5.4
G392-006
(Size 1)
4
+45 (+113)
6.0
6.0
6.0
12.0
12.0
12.0
10
8
+40 (+104)
6.0
6.0
6.0
12.0
12.0
12.0
12
5.5
4.4
4.0
11.0
11.0
11.0
16
4.0
2.4
1.9
8.0
8.0
8.0
G392-008
(Size 2)
4
+45 (+113)
8.0
8.0
8.0
16.0
16.0
16.0
10
8
+40 (+104)
8.0
7.2
6.9
16.0
16.0
16.0
12
6.7
5.3
4.9
13.4
13.4
13.4
16
5.0
3.7
3.3
10.0
10.0
10.0
G392-012
(Size 2)
4
+45 (+113)
12.0
12.0
12.0
24.0
24.0
24.0
10
8
+40 (+104)
12.0
10.8
10.4
24.0
24.0
24.0
12
10.0
8.0
7.4
20.0
20.0
20.0
16
7.6
5.6
5.0
15.2
15.2
15.2
Data apply for a motor cable length
≤
10 m.
1) Shut-down according to I²t-characteristic
Table A.2 Rated and peak current Size 1 to Size 4 (air-cooled, triple-phase)
Содержание G392-004
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