User guide

Technical Specifications A-17
Figure A.28 – Power Modules C/W650
Figure A.29 – Altitude Derating (All Power Modules)
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% –
1
2
3
4
Carrier Fre
q
uenc
y
in kHz
% of Drive
Rated Amps
90%
–
85%
–
80%
–
75%
–
70%
–
65%
–
60%
–
55%
–
50%
–
100% –
0
1000
(
3300
)
Altitude
% of Drive
Rated Amps
90% –
80% –
2000
(
6600
)
3000
(
9900
)
4000 m
(
13,200
)
(
ft
)