Danfoss VLT AutomationDrive FC 300 Design Manual page 86

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