Hitachi NES1-002LB, Quick Reference Manual

Page: 224 / 295

Chapter 12 Specifications
12 - 5
12.3 Derating Curves
Use the following derating curves to help determine the optimal carrier frequency setting for your inverter
and find the output current derating. Be sure to use the proper curve for your particular NE-S1 inverter
model number.
Become all the production after August, 2012 when Restricted Distribution is China or Europe.
Legend for Graphs:
Ambient temperature 30
℃
max.
Ambient temperature 40
℃
max.
Ambient temperature 50
℃
max.
Rated output current (A)
Production:after August, 2012
2 4 6 8 10 12 16 14 0
Carrier frequency(kHz)
1.0
NES1-002SB
1.5
0.5
O
utput
C
urre
nt
(
Ａ
）
Ambient 40
℃
Ambient 50
℃
2 4 6 8 10 12 16 14 0
1.0
Carrier frequency(kHz)
2.0
NES1-004LB
3.0
O
utput cu
rren
t(
Ａ
）
Ambient 40
℃
Ambient 50
℃
2 4 6 8 10 12 16 14 0
1.0
Carrier frequency(kHz)
2.0
NES1-004SB
3.0
O
utput cu
rren
t(
Ａ
）
Ambient 40
℃
Ambient 50
℃
Carrier frequency(kHz)
2 4 6 8 10 12 16 14 0
1.0
NES1-002LB
1.5
0.5
O
utput cu
rren
t(
A
)
Ambient 40
℃
Ambient 50
℃
1.4 1.4
2.6 2.6