Moog MSD User Manual

MSD Single-Axis System Operation Manual AC-AC Servo Drive
ID no.: CA65642-001 06/2018
moog
77
A.2.6 G395-250 to G395-450, liquid cooling
Designation
Technical data
G395-250 G395-325 G395-450
Output, motor side
1)
Voltage
3)
3-phase U
Mains
Rated current, effective (l
N
) 250A 325A 450A
Peak current See A.1.6
Rotating eld frequency 0 ... 400Hz
Switching frequency of the power stage 2, 4kHz (8, 12, 16)
2)
Input, mains side
Mains voltage (3x230V/ 3x400V/ 3x460V/ 3x480V) ±10%
Device connected load (with mains choke)
173kVA 225kVA 310kVA
Current
1)
(with mains choke) 250A 325A 450A
Asymmetry of mains voltage ±3%maximum
Frequency 50/60Hz ±10%
Power dissipation at I
N
1)
3960W 4800W 6750W
DC link
Capacitance 3600µF 5400µF 7200µF
Brake chopper switch-on threshold 820VDC
1) Data referred to mains voltage 3x400V
eff
and switching frequency of the power stage 4kHz
2) When designing the drive, it is to be taken into account that the maximum output voltage reduces as a function of the active power.
3) Connection of an ext. braking resistor to devices with int. braking resistor not permitted (model G395-xxx-xxx-xx2)!
4) Cooling performance adequate also with optional internal braking resistor
Table A.14 Technical data G395-250 to G395-450 liquid cooling
Designation
Technical data
G395-250 G395-325 G395-450
Minimum ohmic resistance of an externally installed
braking resistor
3.2Ω
3)
2.5Ω
3)
1.7Ω
3)
Brake chopper peak power
with external braking resistor
210kW 269kW 395kW
Option: internal braking resistor 3.3Ω 2.4Ω
Brake chopper continuous power
with internal braking resistor
5000W 6800 W
Brake chopper peak power
with internal braking resistor
204kW 280 kW
Chiller data
Coolant pressure
(rated value / maximum value)
1 / 2bar
Coolant ow rate
4)
(rated value / maximum value)
11 / 13l per min
Feed coolant temperature
The coolant temperature can be between +5 °C (+41 °F) and
+40°C (+104 °F). However, the coolant temperature should
not be more than 10°K below the ambient temperature to
prevent condensation on the heat sink.
1) Data referred to mains voltage 3x400V
eff
and switching frequency of the power stage 4kHz
2) When designing the drive, it is to be taken into account that the maximum output voltage reduces as a function of the active power.
3) Connection of an ext. braking resistor to devices with int. braking resistor not permitted (model G395-xxx-xxx-xx2)!
4) Cooling performance adequate also with optional internal braking resistor
Table A.14 Technical data G395-250 to G395-450 liquid cooling

Moog MSD Specifications

General

Bus voltage	24 - 48 VDC
Communication	EtherCAT, CANopen
Input Voltage	24 - 48 VDC
Output Current	5 A
Communication Interface	EtherCAT, CANopen