SIEMENS
SINAMICS DCM
Engineering information
Dynamic overload capability
5/7
Siemens D 23.1 · 2014
5
■
Overview
(continued)
6RA8078-6DS22-0AA0 280 A/two-quadrant operation 400 V, 6RA8078-6DV62-0AA0 280 A/four-quadrant operation 400 V,
6RA8078-6FS22-0AA0 280 A/two-quadrant operation 480 V, 6RA8078-6FV62-0AA0 280 A/four-quadrant operation 480 V
6RA8081-6DS22-0AA0 400 A/two-quadrant operation 400 V, 6RA8081-6GS22-0AA0 400 A/two-quadrant operation 575 V
6RA8081-6DV62-0AA0 400 A/four-quadrant operation 400 V, 6RA8081-6GV62-0AA0 400 A/four-quadrant operation 575 V
300
200
250
100
150
50
0
50
40
30
20
10
0
100
%
90
80
70
60
x=1.1
x=1.2
x=1.3
x=1.4
x=1.5
x=1.8
729
381
238
156
103
26
x=1.1
x=1.2
x=1.3
x=1.4
x=1.5
x=1.8
Overload with x-times
rated DC current
(s)
an
(s) = 863
ab
Overload duration in s for 300 s cycle duration
Base-load current as a % of the rated DC current
G_D023_EN_00032
t
t
150
100
125
50
75
25
0
50
40
30
20
10
0
100
%
90
80
70
60
x=1.1
x=1.2
x=1.3
x=1.4
x=1.5
x=1.8
132
55
23
9
4
1
x=1.1
x=1.2
x=1.3
x=1.4
x=1.5
x=1.8
Overload with x-times
rated DC current
(s)
an
(s) = 203
ab
Overload duration in s for 300 s cycle duration
Base-load current as a % of the rated DC current
G_D023_EN_00033
t
t
300
200
250
100
150
50
0
50
40
30
20
10
0
100
%
90
80
70
60
x=1.1
x=1.2
x=1.3
x=1.4
x=1.5
x=1.8
265
108
45
12
5
1
x=1.1
x=1.2
x=1.3
x=1.4
x=1.5
x=1.8
Overload with x-times
rated DC current
(s)
an
(s) = 367
ab
Overload duration in s for 300 s cycle duration
Base-load current as a % of the rated DC current
G_D023_EN_00034
t
t
© Siemens AG 2014