Danfoss VLT CDS 803 User Manual

fsw[kHz]
20 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
e30bh858.10
Illustration 21: 400 V IP20 H4 10 kW (15 hp)
fsw[kHz]
20 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
e30bh859.10
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.
e30bi924.10
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 / 130R059640 | Danfoss A/S © 2021.05
Mechanical Installation
Considerations
VLT® Compressor Drive CDS 803
Design Guide

Danfoss VLT CDS 803 Specifications

General

Brand	Danfoss
Model	VLT CDS 803
Category	DC Drives
Language	English