Drawings and diagrams vacon • 57
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3.3 Safe operating area for dU/dt-filters
The safe operating area for DUT-0280-6-0-S is shown in Figure 36 - assuming a cable
capacitance of 750 pf/m. The values should be scaled in accordance with the actual cable
capacitance. In case of multiple cables the capacitance is the sum of the cable capacitances.
Figure 36. Safe operating area for DUT-0280-6-0-S
16
690 VAC
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0.5
0
1
5
10 20 30 40 50 60 70 80 90 100
110
120
130
140
150
200 260 300
480 VAC 400 VAC
7149_en
Switching frequency [kHz]
Cable length [m]
Safe Operation Area for damping loss
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