Danfoss VLT AutomationDrive FC 300 Series - Derating for Ambient Temperature, Frame Size B

SFAVM
2
20%
4 6 8 10 12 14 16
40%
60%
80%
100%
110%
I
out
(%)
f
sw
(kHz)
A1-A3 45°C, A5 40°C
A1-A3 50°C, A5 45°C
A1-A3 55°C, A5 50°C
0
0
130BA396.10
Illustration 4.6 Derating of I
out
for different T
AMB, MAX
for frame
size A, using SFAVM and maximum 10 m motor cable
4.6.3 Derating for Ambient Temperature,
Frame Size B
4.6.3.1 Frame Size B, T2, T4 and T5
For the B and C frames the derating also depends on the
overload mode selected in 1-04 Overload Mode
60° AVM - Pulse Width Modulation
2
20%
4 6 8 10 12 14 16
40%
60%
80%
100%
110%
f
sw
(kHz)
45°C
50°C
55°C
130BA402.10
0
0
I
out
(%)
HO
B1
B2
Illustration 4.7 Derating of I
out
for different T
AMB, MAX
for frame
size B1 and B2, using 60° AVM in High overload mode (160%
over torque)
2
20%
4 6 8 10 12 14 16
40%
60%
80%
100%
110%
f
sw
(kHz)
0
0
I
out
(%)
NO
45°C
50°C
55°C
130BA401.11
B1
B2
Illustration 4.8 Derating of I
out
for different T
AMB, MAX
for frame
size B1 and B2, using 60° AVM in Normal overload mode (110%
over torque)
130BB830.10
2 4
6 8
20%
10
12 14
16
f
sw
(kHz)
0
0
40%
o
50 C
60%
80%
90%
100%
o
45 C
110%
(%)
l
out
B3 & B4
HO
Illustration 4.9 Derating of I
out
for different T
AMB, MAX
for frame
size B3 and B4, using 60° AVM 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
o
55 C
f
sw
(kHz)
0
0
(%)
l
out
B3
B4
NO
130BB828.10
Illustration 4.10 Derating of I
out
for different T
AMB, MAX
for frame
size B3 and B4, using 60° AVM in Normal overload mode (110%
over torque)
SFAVM - Stator Frequency Asyncron Vector Modulation
2
20%
4 6 8 10 12 14 16
40%
60%
80%
100%
110%
f
sw
(kHz)
45°C
50°C
55°C
130BA404.10
0
0
I
out
(%)
HO
B1
B2
Illustration 4.11 Derating of I
out
for different T
AMB, MAX
for frame
size B1 and B2, using SFAVM in High overload mode (160% over
torque)
FC 300 Selection
VLT
®
AutomationDrive FC 300 Design Guide, 0.25-75 kW
80 MG33BE02 - VLT
®
is a registered Danfoss trademark
44
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