Danfoss VLT AQUA Drive FC 202 Design Manual

9.6.3 Derating for Ambient Temperature and Switching Frequency
NOTICE!
FACTORY DERATING
Danfoss drives are already derated for operational temperature (55 °C (131 °F) T
AMB,MAX
and 50 °C (122 °F) T
AMB,AVG
).
Use the graphs in Table 9.4 to Table 9.5 to determine if the output current must be derated based on switching frequency
and ambient temperature. When referring to the graphs, I
out
indicates the percentage of rated output current, and fsw
indicates the switching frequency.
Enclosure Switching
pattern
High overload HO, 150% Normal overload NO, 110%
D1h–D8h
N90 to N250
380–480 V
60 AVM
130BX473.11
Iout [%]
fsw [kHz]
70
80
90
1
60
100
110
2 3 4 5 6 7 8
9
0
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
130BX474.11
70
80
90
1
60
100
110
2 3 4 5 6 7 8 90
50
Iout [%]
fsw
[kHz]
45 ˚C (113 ˚F)
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
SFAVM
130BX475.11
Iout [%]
fsw
[kHz]
70
80
90
60
100
110
2 4 60
31 5
45 ˚C (113 ˚F)
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
130BX476.11
Iout [%]
fsw
[kHz]
70
80
90
60
100
110
2 4
60
50
1
3
5
40 ˚C (104 ˚F)
45 ˚C (113 ˚F)
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
E1h–E4h
N315 to N500
380–480 V
60 AVM
130BX477.11
70
80
90
1
60
100
110
2 3 4 5 6 70
Iout [%]
fsw
[kHz]
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
130BX478.12
Iout [%]
fsw
[kHz]
70
80
90
1
60
100
110
2 3 4 5 6 70
50
45 ˚C (113 ˚F)
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
SFAVM
130BX479.11
Iout [%]
fsw
[kHz]
70
80
90
1
60
100
110
2 3 4 50
45 ˚C (113 ˚F)
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
130BX480.11
Iout [%]
fsw
[kHz]
70
80
90
1
60
100
110
2 3 4 50
50
40 ˚C (104 ˚F)
45 ˚C (113 ˚F)
50 ˚C (122 ˚F)
55 ˚C (131 ˚F)
Table 9.4 Derating Tables for Drives Rated 380–480 V
Mechanical Installation Con...
VLT
®
AQUA Drive FC 202
154 Danfoss A/S © 01/2018 All rights reserved. MG22B222
99

Danfoss VLT AQUA Drive FC 202 Specifications

General

Brand	Danfoss
Model	VLT AQUA Drive FC 202
Category	DC Drives
Language	English