MSD Single-Axis System Operation Manual AC-AC Servo Drive
ID no.: CA65642-001 06/2018
moog
63
A Appendix
A.1 Current carrying capacity of the servo drives
The maximum permissible servo drive output current and the peak current are
dependent on the mains voltage, the motor cable length, the power stage switching
frequency, the design of the cooling and the ambient temperature. If the conditions
change, the maximum permissible current carrying capacity of the servo drives also
changes.
A.1.1 G392-004A (air cooling, 1 x 230 V AC)
Servo
drive
Switching
frequency of
the power
stage
Ambient
temperature
Rated
current
Peak current [A
eff
]
At 230V
AC
At rotating eld frequen-
cy increasing linearly
0 to 5Hz
For
intermittent
operation
For
time
1)
[kHz] [°C]/[°F] [A
eff
] 0Hz 5Hz >5Hz [s]
G392-004A
(Size 1)
4
+45
(+113)
4 8 8 8
10
8
+40
(+104)
4 8 8 8
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 (32.80 ft).
1) Shutdown as per I²t characteristic
Table A.1 Rated and peak current, Size 1 (air cooling, one-phase)