Danfoss VLT AutomationDrive FC 300 Series - Page 84

SFAVM - Stator Frequency Asyncron Vector Modulation
1 2 4
6 8
20%
10
40%
60%
80%
90%
100%
o
50 C
o
45 C
110%
f
sw
(kHz)
0
0
(%)
l
out
B1 & B2
NO
130BB826.10
Illustration 4.17 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size B; SFAVM, NO
1 2 4
6 8
20%
10
40%
60%
80%
90%
100%
o
50 C
o
45 C
110%
f
sw
(kHz)
0
0
(%)
l
out
B1 & B2
HO
130BB824.10
Illustration 4.18 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size B; SFAVM, HO
4.6.3.3
Frame Size B, T7
Frame Size B2, 525-690 V
60° AVM - Pulse Width Modulation
f
sw
(kHz)
130BB211.10
13.6
20.4
27.2
34
I
out
(A)
30.6
1 2 64
55°C
50°C
45°C
8 10
B2 all options
Illustration 4.19 Output current derating with switching
frequency and ambient temperature for frame size B2, 60° AVM.
Note: The graph is drawn with the current as absolute value and
is valid for both high and normal overload.
SFAVM - Stator Frequency Asyncron Vector Modulation
f
sw
(kHz)
130BB212.10
40
60
80
100
I
out
(A)
90
1 2 64
55°C
50°C
45°C
8 10
B2 all options
70
20
Illustration 4.20 Output current derating with switching
frequency and ambient temperature for frame size B2, SFAVM.
Note: The graph is drawn with the current as absolute value and
is valid for both high and normal overload.
FC 300 Selection
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
82 MG33BE02 - VLT
®
is a registered Danfoss trademark
44
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