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2 Design
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
2-1 Installation
2
2-1-2 Installation Environment
Derating at the heavy load
Voltage 200-V class 400-V class
Capacity
[kW]
Heavy load mode Heavy load mode
Necessity
of derating
Max. carrier
frequency fc
[kHz]
Derating at
fc = 15 kHz
Necessity of
derating
Max. carrier
frequency fc
[kHz]
Derating at
fc = 15 kHz (10 kHz
for 75 kW or more)
0.4 No 15 100% No 15 100%
0.75 No 15 100% No 15 100%
1.5 No 15 100% No 15 100%
2.2 No 15 100% No 15 100%
3.7 No 15 100% No 15 100%
5.5 No 15 100% No 15 100%
7.5 No 15 100% No 15 100%
11 Yes 12 90%
(41.4 A max.)
No 15 100%
15 Yes 12 95%
(60.8 A max.)
Ye s 1 4 9 5 %
(30.4 A max.)
18.5 Yes 10 90%
(68.4 A max.)
Ye s 1 0 9 0 %
(34.2 A max.)
22 Yes 7 70%
(66.5 A max.)
Ye s 6 7 5 %
(36.0 A max.)
30 Yes 5 80%
(96.8 A max.)
Ye s 1 0 7 5 %
(43.5 A max.)
37 Yes 10 75%
(108.7 A max.)
Ye s 8 8 0 %
(60.0 A max.)
45 Yes 5 70%
(127.4 A max.)
Ye s 9 7 5 %
(68.2 A max.)
55 Yes 5 70%
(154.0 A max.)
Ye s 6 6 0 %
(67.2 A max.)
75 – – – Yes 6 85%
(126.7 A max.)
90 – – – Yes 4 75%
(132.0 A max.)
110 – – – Yes 6 70%
(151.9 A max.)
132 – – – Yes 3 60%
(156.0 A max.)