Danfoss VLT AQUA Drive FC 202 Design Manual page 119

Special Conditions
SFAVM
I (%)
out
110%
100%
80%
60%
40%
20%
0
0 2 4 6 8 10
Figure 5.6 Derating of I for Different T
out
Type A, using SFAVM and Maximum 10 m (33 ft) Motor Cable
5.3.2 Derating for Ambient Temperature,
Enclosure Size B
Enclosure B, T2, and T4
60° AVM – Pulse Width Modulation
I (%)
out
NO
110%
100%
80%
60%
40%
20%
0
0 2 4 6 8
Figure 5.7 Derating of I for different T
out
Sizes B1 and B2, using 60° AVM in Normal Overload Mode
(110% Overtorque)
l
(%)
out
NO
110%
100%
90%
80%
60%
40%
20%
0
0
2 4 6 8
Figure 5.8 Derating of I for Different T
out
Sizes B3 and B4, using 60° AVM in Normal Overload Mode
(110% Overtorque)
MG20N622
Design Guide
A1-A3 45°C, A4-A5 40°C
A1-A3 50°C, A4-A5 45°C
A1-A3 55°C, A4-A5 50°C
f sw (kHz)
12 14 16
for Enclosures
AMB, MAX
B1
B2
45°C
50°C
55°C
f (kHz)
sw
10 12 14 16
for Enclosure
AMB, MAX
B3
B4
o
45 C
o
50 C
o
55 C
f
(kHz)
sw
10 12 14 16
for Enclosure
AMB, MAX
Danfoss A/S © 09/2014 All rights reserved.
SFAVM – Stator Frequency Asyncronous Vector
Modulation
I (%)
out
NO
110%
100%
80%
60%
40%
20%
0
0 2 4 6 8
Figure 5.9 Derating of I for different T
out
Sizes B1 and B2, using SFAVM in Normal Overload Mode
(110% Overtorque)
l
(%)
out
NO
110%
100%
90%
80%
60%
40%
20%
0
0
2 4 6 8
Figure 5.10 Derating of I for different T
out
Sizes B3 and B4, using SFAVM in Normal Overload Mode
(110% Overtorque)
B1
B2
45°C
50°C
55°C
f (kHz)
sw
10 12 14 16
for Enclosure
AMB, MAX
130BB832.10
B3
B4
o
45 C
o
50 C
f
(kHz)
sw
10 12 14 16
for Enclosure
AMB, MAX
117
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