Fagor DDS - Page 219

Selection criteria
SELECTING CRITERIA
Power supply selection
5.
219
DDS
HARDWARE
Ref.1310
Then, depending on the power for S3-5% cycles that could be requested by the drives at any time:
T. H5 /6 Selection of the power supply depending on the power for S3-5% cycles supplied by the drive
for IGBT switching frequencies of 4 kHz and 8 kHz.
SYNCHRONOUS FXM & FKM
Power P (S3-5% cycle)
P (S3-5%)
kW
GROUP I
0 to 2 kW
Synchronous
1
2
Sum of GROUP I:
*
Ki 
3
+
GROUP II
0 to 8.5 kW
Synchronous
1
2
Sum of GROUP II:
*
Kii 
3
+
GROUP III
8.5 to 27 kW
Synchronous
1
2
Sum of GROUP III:
*
Kiii 
3
=
SUM OF POWER: (kW)
3
Synchronous
motors per group
K factor
Drive P (S3-5%)
1 1 AXD 1.08 6
2 0.63 AXD 1.15 12
3 0.50 AXD 1.25 19
4 0.38 AXD 1.35 27
5 0.33 AXD 2.50 36
6 0.28 AXD 2.75 48
AXD 3.100 77
AXD 3.150 95
in kW