Hitachi Vector Control with the SJ300 Inverter User Manual

[Difference between each control]
Ø Control performance
Item SLV mode V2 mode
Speed linearity <1 % <0.01 %
Speed fluctuation <1 % <0.01 %
Control range 1 : 50 1 : 100
Speed response 15 rad/s 60 rad/s
Torque control range 1 : 50 1 : 100
Torque response 50 rad/s 500 rad/s
Ø Torque performance at low speed
Item SLV control 0-SLV control V2 control
Down sized motor 150% or more 150% or more 150% or more
Same kW motor 100% or more 100% or more 100% or more
s These are guaranteed minimum values with a Hitachi standard induction motor. Actual capability is greater.
Ø Torque performance at 0Hz
Item 0-SLV control V2 control
Down-sized motor 150% or more
with a small slip
150% or more
with standstill
Same kW motor 100% or more
with a small slip
100% or more
with standstill
s This has been confirmed using Hitachi standard induction motor and J2 motor (for V2 control).
s Note: These are representative values only.
s Percentages are relative to base speed

Hitachi Vector Control with the SJ300 Inverter Specifications

General

Brand	Hitachi
Model	Vector Control with the SJ300 Inverter
Category	Inverter
Language	English