Danfoss VLT Refrigeration Drive FC 103 Design Manual page 104

Special Conditions
Enclosures B, T7
Enclosures B2 and B4, 525–690 V
60° AVM – pulse width modulation
I (A)
out
34
30.6
27.2
20.4
13.6
5 5
1 2
Illustration 5.12 Output Current Derating with Switching
Frequency and Ambient Temperature for Enclosure Sizes B2
and B4, 60° AVM.
SFAVM – stator frequency asynchron vector modulation
I (A)
out
100
90
80
70
60
40
20
1 2
Illustration 5.13 Output Current Derating with Switching
Frequency and Ambient Temperature for Enclosure Sizes B2
and B4, SFAVM.
5.4.3 Derating for Ambient Temperature,
Enclosure Size C
Enclosures C, T2, and T4
60° AVM – pulse width modulation
I (%)
out
NO
110%
100%
80%
60%
40%
20%
0
0 2
Illustration 5.14 Derating of I
Enclosure Sizes C1 and C2, using 60° AVM in Normal Overload
Mode (110% Overtorque)
102
VLT
B2
4 6 8
B2
45°C
50°C
55°C
4 6 8 10
4 6 8 10 12 14 16
for Different T
out AMB, MAX
Danfoss A/S © 08/2015 All rights reserved.
®
Refrigeration Drive FC 103
110%
all options
100%
90%
80%
60%
45°C
40%
50°C
20%
55°C
0
0
f (kHz)
sw
Illustration 5.15 Derating of I
10
Enclosure Sizes C3 and C4, using 60° AVM in Normal Overload
Mode (110% Overtorque)
SFAVM – stator frequency asynchron vector modulation
I
out
NO
110%
100%
all options
80%
60%
40%
20%
0
0
Illustration 5.16 Derating of I
f (kHz)
sw
Enclosure Sizes C1 and C2, using SFAVM in Normal Overload
Mode (110% Overtorque)
110%
100%
90%
80%
60%
40%
20%
C1 & C2
0
0
45°C
50°C Illustration 5.17 Derating of I
55°C
Enclosure Sizes C3 and C4, using SFAVM in Normal Overload
Mode (110% Overtorque)
f (kHz)
sw
for
l
(%)
out
NO
o
45 C
o
50 C
o
55 C
2 4 6 8 10 12 14
for Different T
out
(%)
2 4 6 8 10 12
for Different T
out
l
(%)
out
NO
o
45 C
o
50 C
2 4 6 8 10 12 14
for Different T
out
C3 & C4
f
(kHz)
sw
16
for
AMB, MAX
C1 & C2
45°C
50°C
55°C
f (kHz)
sw
14 16
for
AMB, MAX
C3 & C4
f
(kHz)
sw
16
for
AMB, MAX
MG16G202