Danfoss VLT Flow Drive FC 111 Design Manual page 61

VLT® Flow Drive FC 111
Design Guide
Use the following graphs to determine if the output current must be derated based on switching frequency and ambient tempera-
ture. When referring to the graphs, I
[%]
I
out
110%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
0 2 5
0.37–1.5 kW (0.5–2.0 hp), 400 V, Enclosure Size H1, IP20
I
[%]
out
110 %
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
0 2 5
5.5–7.5 kW (7.4–10 hp), 400 V, Enclosure Size H3, IP20
I
[%]
out
110%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
5
0 2
18.5–22 kW (25–30 hp), 400 V, Enclosure Size H5, IP20
Danfoss A/S © 2021.04
indicates the percentage of rated output current, and f
out
。
40 C
。
104 F
。
45 C
。
113 F
。
50 C
。
122 F
f [kHz]
sw
10 16
。
40 C
。
104 F
。
45 C
。
113 F
。
50 C
。
122 F
f [kHz]
sw
10 16
。 。
40 C 104 F
。 。
45 C 113 F
。 。
50 C 122 F
f [kHz]
sw
10 16
sw
I [%]
out
110%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
0 2 5
2.2–4.0 kW (3.0–5.4 hp), 400 V, Enclosure Size H2, IP20
I [%]
out
110%
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0
5
0 2
11–15 kW (15–20 hp), 400 V, Enclosure Size H4, IP20
I [%]
out
110%
100%
80%
60%
40%
20%
2 4 6
30–37 kW (40–50 hp), 400 V, Enclosure Size H6, IP20
AJ363928382091en-000101 / 130R0983 | 61
Mechanical Installation
Considerations
indicates the switching frequency.
。
40 C
。
104 F
。
45 C
。
113 F
。
50 C
。
122 F
f [kHz]
sw
10 16
。
40 C
。
104 F
。
45 C
。
113 F
。
50 C
。
122 F
f [kHz]
sw
10 16
。 。
40 C 104 F
。 。
45 C 113 F
。 。
50 C 122 F
f [ kHz ]
sw
8 10 12