ABB ACS850 - Mains Choke Data; Single AC Input; Multiple AC Input

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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 Choke type
L
I
th
I
max
ACS850
µH
A A
03A0-5, 03A6-5 CHK-01 6370 4.2 6.2
04A8-5, 06A0-5, 08A0-5 CHK-02 4610 7.6 11.4
010A-5, 014A-5 CHK-03 2700 13.1 19.6
018A-5 CHK-04 1475 22.0 26.3
L : mains choke nominal inductance
I
th
: the maximum allowed continuous current (rms) at 55°C ambient temperature
I
max
: the maximum allowed short time current (rms). This current is allowed for
maximum of 10 s.
Single AC input
Define the average motoring line current I
mot,ave
•
ac
ave,mot
mot,ave
U
P
.I
×
×=
3
151
Define the peak motoring line current I
mot,max
•
ac
,maxmot
maxmot,
U
P
.I
×
×=
3
151
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:
•
thave, mot
II <
•
max ,maxmot
II <
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(th)i(ave,mot
II <
•
)imax()i,max(mot
II <
Where the total motoring line current is allocated to the individual drive modules
according to their power ratings:
Common DC configurations