Fagor DDS Series Hardware Manual page 213

Then, considering the peak power (S3-5% cycle) that some motors may request sometime:
T. H5/6 Selection of the power supply considering the peak power (S3-5% cycle) supplied by the drive
for IGBT switching frequencies of 4 kHz and 8 kHz.
SYNCHRONOUS FXM/FKM
Peak power P (S3-5%)
P (S3-5%)
1
GROUP I
2
0 to 2 kW
synchronous
3
1
GROUP II
2 to 8.5 kW
2
synchronous
3
1
GROUP III
8.5 to 27 kW
2
synchronous
3
Nr of synchronous
motors per group
1
2
3
4
5
6
(kW)
Sum of GROUP I
Sum of GROUP II
Sum of GROUP III
SUM OF POWER (kW)
K AXD
factor drive
1
AXD 1.08
0.63 AXD 1.15
0.50 AXD 1.25
0.38
AXD 1.35
0.33
AXD 2.50
0.28
AXD 2.75
AXD 3.100
AXD 3.150
POWER S3-5%
V = 400 V AC
Ip = Imax of the drive that governs the motor
cos = 0.95

Ki
*
+

Kii
*
+

Kiii
*
=
3
Power
(S3-5%)
5.2
9.8
16.4
23.0
32.9
49.3
65.8
98.7
in kW

   cos
= 3 V I
P
   Selection criteria
5.
DDS
HARDWARE
Ref.1912
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