Mains Choke Data; Single Ac Input; Multiple Ac Input - ABB ACS850 Application Manual

26

Mains choke data

Data for the mains chokes is listed in the table below. Drive types not listed below have
a built-in choke as standard.
Frame
ACS850
03A0-5, 03A6-5
04A8-5, 06A0-5, 08A0-5
010A-5, 014A-5
018A-5
L :
:
I
th
: the maximum allowed short time current (rms). This current is allowed for
I
max

Single AC input

Define the average motoring line current I
I
•
mot,ave
Define the peak motoring line current I
I
•
mot,
The factor 1.15 covers the effects of the line side power factor, the current harmonic
distortion, and the rectifier losses.
The following conditions must be fulfilled:
I
•
mot
I
•
mot

Multiple AC input

If two or more drive modules are connected to the AC supply, the same conditions as
above must still be fulfilled, but now for each individual drive module (i) and its mains
choke separately. All of the connected drives must have a mains choke.
I
•
mot
I
•
mot
Where the total motoring line current is allocated to the individual drive modules
according to their power ratings:
Common DC configurations
Choke type
CHK-01
CHK-02
CHK-03
CHK-04
mains choke nominal inductance
the maximum allowed continuous current (rms) at 55°C ambient temperature
maximum of 10 s.
P
= ×
1 15
mot , ave
.
×
3
U
ac
P
= ×
1 15
mot ,max
.
max ×
3
U
ac
<
I
, ave th
<
I
,max max
<
I
, ave ( ) i th ( ) i
<
I
,max( ) i max( ) i
L I I
th max
µ
H
A A
6370 4.2 6.2
4610 7.6 11.4
2700 13.1 19.6
1475 22.0 26.3
mot,ave
mot,max