MSD Servo Drive AC-AC Operation Manual
moog
69
[
Appendix
]
Id. no.: CA65642-001 Date: 03/2012
A.2.6 G395-250 to G395-450, liquid-cooled
Designation
Technical data
G39
5
-2
50
G39
5
-3
25
G39
5
-4
50
Output motor side
1)
Voltage
3-phase u
Net
Rated current effective (l
n
)
250 A
325 A
450 A
Peak current
see Table A.6
Rotating field frequency
0 ... 400 Hz
Output stage switching
frequency
2, 4 kHz
Input mains supply side
Mains voltage
(3 x 230 V/ 3 x 400 V/ 3 x 460 V/ 3 x 480 V) ±10%
Device connected load
1)
(with mains choke)
173 kVA
225 kVA
310 kVA
Current
1)
(with mains choke)
250 A
325 A
450 A
Asymmetry of the mains voltage
±3% maximum
Frequency
50/60 Hz ±10%
Power loss at I
N
1)
3960 W
4800 W
6750 W
1) Values related to a mains voltage of 3 x 400 V
eff
and a switching frequency of 8 kHz
4) Connection of an ext. braking resistor is not permitted for devices with int. braking resistor (version G395-xxx-xxx-xx2)!
5) Cooling power sufficient even with optional internal braking resistor
Table A.12 Technical data G395-250 to G395-450, liquid-cooled
Designation
Technical data
G39
5
-2
50
G39
5
-3
25
G39
5
-4
50
DC link
Capacity
3600 µF
5400 µF
7200 µF
Brake chopper switch-on treshold
820 V DC
Minimum ohmic resistance of an externally
installed braking resistor
3.2 Ω
4)
2.5 Ω
4)
1.7 Ω
4)
Brake chopper continuous power with
external braking resistor
210 kW
269 kW
395 kW
Peak brake chopper chopper with external
braking resistor
210 kW
269 kW
395 kW
Optional:
internal braking resistor
3.3 Ω
Brake chopper continuous power with
internal braking resistor
5000 W
Peak brake chopper chopper with internal
braking resistor
204 kW
Cooler data
Coolant pressure
(nom. value / maximum value)
1 / 2 bar
Coolant flow
5)
(nom. value / maximum value)
11 / 13 l per min
Feed coolant temperature
The coolant temperature can be b5 °C
(+41 °F) and +40 °C (+104 °F). However, the cool-
ant temperature should not be more than 10 °K
below the ambient temperature, to avoid moisture
condensation on the heat sink.
1) Values related to a mains voltage of 3 x 400 V
eff
and a switching frequency of 8 kHz
4) Connection of an ext. braking resistor is not permitted for devices with int. braking resistor (version G395-xxx-xxx-xx2)!
5) Cooling power sufficient even with optional internal braking resistor
Table A.12 Technical data G395-250 to G395-450, liquid-cooled
Содержание G392-004
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