Danfoss VLT AutomationDrive FC 300 Series - Page 83

2
20%
4 6 8 10 12 14 16
40%
60%
80%
100%
110%
f
sw
(kHz)
45°C
50°C
55°C
0
0
I
out
(%)
NO
130BA403.11
B1
B2
Illustration 4.12 Derating of I
out
for different T
AMB, MAX
for frame
size B1 and B2, using SFAVM in Normal overload mode (110%
over torque)
130BB834.10
2 4
6 8
20%
10
12 14
16
f
sw
(kHz)
0
0
40%
60%
80%
90%
100%
o
50 C
o
45 C
110%
B3
(%)
l
out
HO
B4
Illustration 4.13 Derating of I
out
for different T
AMB, MAX
for frame
size B3 and B4, 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
B3
B4
f
sw
(kHz)
0
0
(%)
l
out
NO
130BB832.10
Illustration 4.14 Derating of I
out
for different T
AMB, MAX
for frame
size B3 and B4, using SFAVM in Normal overload mode (110%
over torque)
4.6.3.2
Frame Size B, 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%
3
(%)
l
out
f
sw
(kHz)
0
0
B1 & B2
NO
130BB820.10
Illustration 4.15 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size B, 60 AVM, NO
1 2 4
6 8
20%
10
40%
o
50 C
f
sw
(kHz)
0
0
60%
80%
90%
100%
o
45 C
110%
(%)
l
out
B1 & B2
HO
130BB822.10
Illustration 4.16 Output current derating with switching
frequency and ambient temperature for 600 V frequency
converters, frame size B, 60 AVM, HO
FC 300 Selection
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
MG33BE02 - VLT
®
is a registered Danfoss trademark 81
4 4
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