Specifications

Frequency Converter, P450 - P1M4, T7
Cable
length [m]
Mains
voltage [V]
Rise time
[μ
μ
sec]
Vpeak
[kV]
dU/dt
[kV/
μ
sec]
30 690 0.57 1.611 2.261
30 575 0.25 2.510
30
690
1)
1.13 1.629 1.150
1) With Danfoss dU/dt filter.
Table 8.13 P450-P1M4, T7/525-690 V
8.5 Special Conditions
8.5.1 Purpose of Derating
Take derating into account when using the frequency converter in the following conditions:
•
At low air pressure (heights)
•
At low speeds
•
With long motor cables
•
Cables with a large section
•
High ambient temperature
The required actions are described in this section.
8.5.2 Derating for Ambient Temperature
Frame
model
Normal overload NO, 110% 60 AVM Normal overload NO, 110% SFAVM
D-Frame
N110 to N315
380-480 V
130BX474.10
70
80
90
1
60
100
110
234 5 67890
50
o
50 C
o
55 C
o
45C
Iout [%]
fsw
[kHz]
130BX476.10
Iout [%]
fsw
[kHz]
o
70
80
90
60
100
110
2 4
6
50 C
o
55 C
0
o
45C
50
o
40C
1
3
5
E & F-Frame
P355 to P1M0
380-480 V
130BX478.10
Iout [%]
fsw
[kHz]
o
70
80
90
1
60
100
110
234 5 67
50 C
o
55 C
0
50
o
45C
130BX480.10
Iout [%]
fsw
[kHz]
o
70
80
90
1
60
100
110
234 5
50 C
55 C
0
o
45C
o
50
o
40C
Table 8.14 Derating Tables for Frequency Converters Rated 380–480 V (T4)
General Specifications and ... VLT® HVAC Drive FC 102 Design Guide
196 MG16C102 - Rev. 2013-08-20
8
8