Danfoss VLT AutomationDrive FC 300 Series - Page 86

130BB835.10
80%
90%
100%
110%
C3 & C4
(%)
l
out
HO
2 4
6 8
20%
10
40%
60%
o
50 C
o
45 C
12 14
16
f
sw
(kHz)
0
0
Illustration 4.27 Derating of I
out
for different T
AMB, MAX
for frame
size C3 and C4, using SFAVM in High overload mode (160% over
torque)
2 4
6 8
20%
10
40%
60%
80%
90%
100%
o
50 C
o
45 C
110%
12 14
16
f
sw
(kHz)
0
0
(%)
l
out
C3 & C4
NO
130BB833.10
Illustration 4.28 Derating of I
out
for different T
AMB, MAX
for frame
size C3 and C4, using SFAVM in Normal overload mode (110%
over torque)
4.6.4.2
Frame Size C, T6
60° AVM - Pulse Width 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
C1 & C2
NO
130BB821.10
Illustration 4.29 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size C, 60 AVM, NO
80%
90%
100%
o
45 C
110%
(%)
l
out
C1 & C2
HO
1 2 4
6 8
20%
10
40%
60%
o
50 C
f
sw
(kHz)
0
0
130BB823.10
Illustration 4.30 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size C, 60 AVM, HO
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
C1 & C2
NO
130BB827.10
Illustration 4.31 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size C; SFAVM, NO
130BB825.10
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
C1 & C2
HO
Illustration 4.32 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size C; SFAVM, HO
FC 300 Selection
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
84 MG33BE02 - VLT
®
is a registered Danfoss trademark
44
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