Fagor DDS AXD/SPD 2.75 - Page 149

Drives
3.
Ref.1912
· 149 ·
DDS
HARDWARE
 For a switching frequency fc = 8 kHz
F. H3/100
Current derating on ·SCD 2.50· drives for fc = 4 kHz.
F. H3/101
Current derating on ·SCD 2.75· drives for fc = 4 kHz.
F. H3/102
Current derating on ·SCD 1.15· drives for fc = 8 kHz.
F. H3/103
Current derating on ·SCD 1.25· drives for fc = 8 kHz.
F. H3/104
Current derating on ·SCD 2.35· drives for fc = 8 kHz.
35 40 55 60
20
40
I (Arms)
Tambient
°C (°F)
45 50
(95)
(104)
(113) (122) (131) (140)
10
30
Imax
SCD 2.50
T ambient Imax.
° C ° F A
35 95 38.0
40 104 38.0
45 113 38.0
50 122 36.3
55 131 34.3
60 140 32.2
SCD 2.75
T ambient Imax.
° C ° F A
35 95 52.0
40 104 52.0
45 113 52.0
50 122 49.7
55 131 44.6
60 140 39.2
35 40 55 60
20
I (Arms)
Tambient
°C (°F)
45 50
(95)
(104)
(113) (122) (131) (140)
30
Imax
40
10
50
0
35 40 55 60
9
I (Arms)
Tambient
°C (°F)
45 50
(95)
(104)
(113) (122) (131) (140)
8
10
Imax
11
SCD 1.15
T ambient Imax.
° C ° F A
35 95 10.6
40 104 10.6
45 113 10.6
50 122 10.1
55 131 9.5
60 140 8.9
35 40 55 60
I (Arms)
Tambient
°C (°F)
45 50
(95)
(104)
(113) (122) (131) (140)
10
Imax
11
12
13
SCD 1.25
T ambient Imax.
° C ° F A
35 95 12.5
40 104 12.5
45 113 12.5
50 122 12.2
55 131 11.4
60 140 10.7
35 40 55 60
I (Arms)
Tambient
°C (°F)
45 50
(95)
(104)
(113) (122) (131) (140)
14
Imax
16
18
20
SCD 2.35
T ambient Imax.
° C ° F A
35 95 19.5
40 104 19.5
45 113 19.5
50 122 18.5
55 131 17.2
60 140 15.8