f
sw
[kHz]
2
0
10
0
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
I
out
[%]
16
40
45
50
5
o
C
o
C
o
C
e3
0b
h8
58
.1
0
Illustration 21: 400 V IP20 H4 10 kW (15 hp)
f
sw
[kHz]
2
0
10
0
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
110%
I
out
[%]
16
40
45
50
5
o
C
o
C
o
C
e3
0b
h8
59
.1
0
Illustration 22: 200 V IP20 H5 10 kW (15 hp)
5.3.5.2 Derating Curves, 18.5–22 kW
Drives in the power range 18.5–22 kW are able to deliver 100% current in ambient temperatures up to 52 °C (125 °F) with a default
switching frequency of 5.0 kHz (f_sw). If the switching frequency is increased, the following derating curves apply.
e3
0b
i9
24
.1
0
0
10%
20%
30%
40%
50%
60%
70%
80%
90%
100 %
110 %
0
2
5
10
16
52 °C
45 °C
40 °C
I
out
[%]
f
sw
[kHz ]
Illustration 23: 400 V IP20 H5 18.5–22 kW (25–30 hp)
5.3.5.3 Derating Curves, 30 kW
Drives in the power range 30 kW are able to deliver 100% current in ambient temperatures up to 45 °C (113 °F) with a default
switching frequency of 4.0 kHz (f_sw). If the switching frequency is increased, the following derating curves apply.
AJ330233902305en-000201 / 130R0596
40 | Danfoss A/S © 2021.05
Mechanical Installation
Considerations
VLT® Compressor Drive CDS 803
Design Guide
Содержание VLT CDS 803
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