SFAVM - Stator Frequency Asyncron Vector Modulation
f
sw
(kHz)
130BB212.10
40
60
80
100
I
out
(A)
90
1
2
6
4
55°C
50°C
45°C
8
10
B2
all options
70
20
Illustration 6.19 Output current derating with switching
frequency and ambient temperature for enclosure types B2
and B4, SFAVM. Note: The graph is drawn with the current as
absolute value and is valid for both high and normal
overload.
6.2.6.3 Derating for Ambient Temperature,
Enclosure Types C
Enclosures C, T2, T4 and T5
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
130BA398.10
0
0
I
out
(%)
HO
C1 & C2
Illustration 6.20 Derating of I
out
for different T
AMB, MAX
for
enclosure types C1 and C2, using 60
°
AVM in High overload
mode (160% over torque)
130BA397.10
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
C1 & C2
Illustration 6.21 Derating of I
out
for different T
AMB, MAX
for
enclosure types C1 and C2, using 60
°
AVM in Normal overload
mode (110% over torque)
130BB831.10
80%
90%
100%
110%
(%)
l
out
C3 & C4
HO
2
4
6
8
20%
10
40%
60%
o
50 C
o
45 C
12
14
16
f
sw
(kHz)
Illustration 6.22 Derating of I
out
for different T
AMB, MAX
for
enclosure types C3 and C4, 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
C3 & C4
NO
130BB829.10
Illustration 6.23 Derating of I
out
for different T
AMB, MAX
for
enclosure types C3 and C4, 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%
HO
f
sw
(kHz)
45°C
50°C
55°C
130BA400.10
0
0
I
out
(%)
C1 & C2
Illustration 6.24 Derating of I
out
for different T
AMB, MAX
for
enclosure types C1 and C2, using SFAVM in High overload
mode (160% over torque)
Product Specifications
VLT
®
AutomationDrive FC 301/FC 302 Design Guide, 0.25-75 kW
76
MG33BF02 - Rev. 2013-12-20
6
6