Technical data 41
Power correction factor (k)
The tables below shows the power correction factor (k) for calculating the sum rectifying
capacity of the drives connected to the AC power line. Choose the lowest k factor of the
possible choices.
The tables also show the combinations of drives that you may connect to the AC power
line. Connect only the drives visible in the same table. Connect only combinations which
are visible in the same table and which are not marked as prohibited. The other
combinations are not allowed.
Example for choosing the k:
If you connect frames R5, R4 and R2 to the AC power line, possible values for k are:
• 0.7 for combination of frames R5 and R4
• 0.8 for combination of frames R5 and R2
• 0.8 for combination of frames R4 and R2.
Choose the smallest value (0.7) and use it in the calculations.
Frames R1 to R5
Frames R5 to R9
U
ac
= 208…240, 380…415, 380…500
U
ac
= 600…690
R5a: ACS880-01 types -07A3-7, -09A8-7, -14A2-7 and -018A-7.
R5b: ACS880-01 types -022A-7, -026A-7, -035A-7, -042A-7 and -049A-7.
The smaller drive may not be connected to the AC power line.
Frame R1 R2 R3 R4 R5
R1 0.9 0.4 0.9
R2 0.40.90.70.80.8
R3 0.90.70.90.60.4
R4 0.8 0.6 0.9 0.7
R5 0.8 0.4 0.7 0.9
Frame R5 R6 R7 R8 R9
R5 0.9 0.3
R6 0.30.90.90.50.3
R7 0.9 0.9 0.7 0.6
R8 0.5 0.7 0.9 0.9
R9 0.3 0.6 0.9 0.9
Frame R5a R5b R6 R7 R8 R9
R5a 0.90.9110.70.9
R5b 0.9 0.9 0.7 0.5 0.2
R6 1 0.7 0.9 1 0.8 0.7
R7 10.510.90.90.8
R8 0.7 0.2 0.8 0.9 0.9 1
R9 0.4 0.7 0.8 1 0.9
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