Hitachi CONVENTION 14 Welding System User Manual


 
Item 400V class Specifications
EU version 030HFEF 040HFEF 055HFEF 075HFEFX200 inverters,
400V models
USA version 040HFU 055HFU 075HFU
kW 3.0 4.0 5.5 7.5Applicable motor size *2
H
P 4 5 7.5 10
380V 5.1 5.6 8.5 10.5Rated capacity
(kVA)
480V 6.4 7.1 10.8 13.3
Rated input voltage *6
3-phase: 380V-15% to 480V r10%, 50/60Hz r5%
EU version SFE series : EN61800-3 category C2 filterIntegrated EMC
filter
USA version
Rated input current (A) 10.0 11.0 16.5 20.0
Rated output voltage *3 3-phase: 380 to 480V (proportional to input voltage)
Rated output current (A) 7.8 8.6 13 16
Efficiency at 100% rated output 96.8% 97.3% 97.3% 98.3%
at 70% output 68 74 101 127
Watt loss (fc=3kHz)
Approximate (W)
at 100% output 96 107 150 189
Starting torque *7 100% at 6Hz
20%:d60Hz
Dynamic braking,
approx. % torque
(short time stop
from 50/60Hz) *8
Capacitive feedback type, dynamic braking unit and braking
resistor optional, individually installed
Braking
DC braking Variable operating frequency, time, and braking force
Kg 2.4 2.4 4.2 4.2EU version
(-HFEF)
lb 5.30 5.30 9.27 9.27
Kg 2.3 4.2 4.2
Weight
USA version
(-HFU)
lb 5.08 9.27 9.27
Torque characteristics
NOTE: The data are based on the Hitachi standard induction motor (4p). The torque
performance depends on the characteristics of the motor to be used.
19
Getting started
Output frequency (Hz)
Output torque (%)
45
55
80
95
100
130
150
1
0
6 20 60 120
Continuous performance
Short time performance
Base frequency = 60Hz
Output frequency (Hz)
Output torque (%)
35
45
55
75
90
100
130
150
1
0
5 16.7 50 120
Continuous performance
Short time performance
Base frequency = 50Hz
35
0.2~4kW
5.5, 7.5kW
0.2~4kW
5.5, 7.5kW
0.2~4kW
5.5, 7.5kW
0.2~4kW
5.5, 7.5kW
1 9
Getting started