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
45
7
8
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
4
7
1
0
11 12
Carrier Frequency in kHz
% of Drive
Rated Amps
90% –
85% –
80% –
75% –
70% –
65% –
60% –