SIEMENS
SINAMICS DCM
Engineering information
Dynamic overload capability
5/9
Siemens D 23.1 · 2014
5
■
Overview
(continued)
6RA8086-6KS22-0AA0 720 A/two-quadrant operation 690 V
6RA8086-6KV62-0AA0 760 A/four-quadrant operation 690 V
6RA8087-6DS22-0AA0 850 A/two-quadrant operation 400 V,
6RA8087-6FS22-0AA0 850 A/two-quadrant operation 480 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
312
170
109
75
55
22
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) = 542
ab
Overload duration in s for 300 s cycle duration
Base-load current as a % of the rated DC current
G_D023_EN_00038
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
411
245
164
113
79
20
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) = 606
ab
Overload duration in s for 300 s cycle duration
Base-load current as a % of the rated DC current
G_D023_EN_00039
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
316
175
114
80
58
25
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) = 542
ab
Overload duration in s for 300 s cycle duration
Base-load current as a % of the rated DC current
G_D023_EN_00040
t
t
© Siemens AG 2014