Hitachi SJ7002 Series Instruction Manual page 31

The 400V models from –1850 to –4000HFU2/HFE2 (250 to 525 HP) include a DC reactor and
ferrite core.
Item
SJ700 inverters, U.S. version
2
400V models
European ver.
Applicable motor size *2
Rated capacity, kVA, 400 / 480V
Rated input voltage
Rated input current (A)
Rated output voltage *3
Rated output current (A)
Overload capacity, output current (A)
Inv. efficiency at 100% rated output, %
Inverter Watt loss, at 70% output
approximate (W)
at 100% output
DCL efficiency at 100% rated output, %
DCL Watt loss, at 70% output
approximate (kW)
at 100% output
Dynamic braking w/o braking unit
approx. % torque,
with braking unit
short time stop *7
DC braking
Electrical filtering
Weight kg / lb
Footnotes for the preceding tables and the table that follows:
Note 1: The protection method conforms to JEM 1030.
Note 2: The applicable motor refers to Hitachi standard 3-phase motor (4-pole). When using
Note 3: The output voltage decreases as the main supply voltage decreases (except when
Note 4: To operate the motor beyond 50/60 Hz, consult the motor manufacturer for the
Note 5: When SLV is selected, please set the carrier frequency higher than 2.1 kHz.
Note 6: At the rated voltage when using a Hitachi standard 3-phase, 4-pole motor (when
Note 7: The braking torque via capacitive feedback is the average deceleration torque at the
Note 8: The frequency command will equal the maximum frequency at 9.8V for input voltage
Note 9: The storage temperature refers to the short-term temperature during transport.
Note 10: Conforms to the test method specified in JIS C0050 (1999). For the model types
Note 11: NEMA 1 applies up to 22kW. An optional wire-entry conduit box is required for
900HFU2 1100HFU2
9000HFE2 1100HFE2
HP 125 150
kW 90 110
121.9/146.3 150.3/180.4
3-phase (3-wire) 380 to 480V +10/-15%, 50/60 Hz ±5%
194 239
3-phase (3-wire): 380 to 480V (corresponding to input voltage)
176 217
50% for 60 sec., 200% for 0.5 sec.
95.2 95.2
3375 3900
4800 5550
— —
— —
— —
8% 8%
Refer to separate DB Unit instruction manual or contact your Hitachi distributor
Variable operating frequency, time, and braking force
Built-in EMC filter and zero-phase reactor
55 / 121 55 / 121
other motors, care must be taken to prevent the rated motor current (50/60 Hz) from
exceeding the rated output current of the inverter.
using the AVR function). In any case, the output voltage cannot exceed the input
power supply voltage.
maximum allowable rotation speed.
selecting sensorless vector control—SLV).
shortest deceleration (stopping from 50/60 Hz as indicated). It is not continuous
regenerative braking torque. The average decel torque varies with motor loss. This
value decreases when operating beyond 50 Hz. If a large regenerative torque is
required, the optional regenerative braking resistor should be used.
0 to 10 VDC, or at 19.6 mA for input current 4 to 20 mA. If this characteristic is not
satisfactory for your application, contact your Hitachi sales representative.
excluded in the standard specifications, contact your Hitachi sales representative.
0.4kW to 55kW models to meet NEMA 1 rating.
400V Class Specifications
1500HFU2 1850HFU2
1320HFE2 1850HFE2
200 250
150 185
180.1/216.1 256 / 308
286 389
260 370
50% for 60 sec., 180% for 0.5 sec.
95.2 96.5
4670 4700
6650 6700
— 99.9
— 0.1
— 0.2
8% 10%
External DC reactor and ferrite core
70 / 54 140 / 308
1–9
SJ700 Inverter
2
3150HFU2 4000HFU2
3150HFE2 4000HFE2
425 525
315 400
416 / 499 554 / 665
630 840
600 800
96.2 96.3
8000 10500
11500 15000
99.9 99.9
0.1 0.1
0.2 0.2
10% 10%
210 / 463 360 / 792