User guide
A-8
SA3100 Power Modules
Derating Guidelines
Figure A.1 – Power Modules A/Q010 and B/R020
Figure A.2 – Power Modules A/Q015 and B/R030
Figure A.3 – Power Modules A/Q020 and B/R040
Standard rating for enclosed drive in 40º C ambient and open drive in 50º C ambient.
Derating factor for enclosed drive in ambient temperature between 41º C and 50º C.
100% –
95% –
12
3
45
6
7
8
9
1
0
11 12
Carrier Frequency in kHz
% of Drive
Rated Amps
90% –
85% –
80% –
75% –
70% –
65% –
100% –
95%
–
12
3
4
5
67
8
9
10 11 12
Carrier Frequency in kHz
% of Drive
Rated Amps
90%
–
85%
–
80%
–
75%
–
70%
–
65%
–
60%
–
55%
–
50%
–
100% –
95% –
12
3
4
5
6
7
8
9
1
0
11 12
Carrier Frequency in kHz
% of Drive
Rated Amps
90% –
85% –
80% –
75% –
70% –
65% –
60% –