Omron Sysdrive RX Series - Page 27

2-4
2-1 Installation
2
Design
•To raise the carrier frequency, reduce the output current (or derate the rated current) as shown in
the graph below.
Voltage 200-V class 400-V class
Capacity Max. fc (kHz) Derating at fc = 15 kHz Max. fc (kHz)
Derating at fc = 15 kHz
(75 to 132 kW is for 10 kHz)
0.4 kW 15 100% 15 100%
0.75 kW 15 100% 15 100%
1.5 kW 15 100% 15 100%
2.2 kW 15 100% 15 100%
3.7 kW 15 100% 15 100%
5.5 kW 15 100% 15 100%
7.5 kW 15 100% 15 100%
11 kW 12 90% (41.4 max.) 15 100%
15 kW 12 95% (60.8 A max.) 14 95% (30.4 A max.)
18.5 kW 10 90% (68.4 A max.) 10 90% (34.2 A max.)
22 kW 7 70% (66.5 A max.) 6 75% (36.0 A max.)
30 kW 5 80% (96.8 A max.) 10 75% (43.5 A max.)
37 kW 10 75% (108.7 A max.) 8 80% (60.0 A max.)
45 kW 5 70% (127.4 A max.) 9 75% (68.2 A max.)
55 kW 5 70% (154 A max.) 6 60% (67.2 A max.)
75 kW  6 85% (126.7 A max.)
90 kW  4 75% (132.0 A max.)
110 kW  6 70% (151.9 A max.)
132 kW  3 60% (156.0 A max.)
60
55
100
95
90
85
80
75
70
65
0.5 2 4 6 8 10 12 1514
60
55
100
95
90
85
80
75
70
65
0.5 2 4 6 8 10 12 1514
200-V class 400-V class
Output current derating
Carrier frequency (kHz)
Output current derating
Carrier frequency (kHz)
15 kW
37 kW
30 kW
11 kW
18.5 kW
22 kW
45, 55 kW
15 kW
22 kW
132 kW
110 kW
18.5 kW
37 kW
55 kW
30 kW45 kW75 kW90 kW