Danfoss VLT AutomationDrive FC 300 Design Manual page 84

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