LS Industrial Systems SV-iE5 Series, Руководство пользователя, Страница: 73 / 127

Chapter 10. Advanced Functions
10-6
⎟
⎠
⎞
⎜
⎝
⎛
×
− =
120
P rpm
f f
r s
where,
s
f
= rated slip frequency
r
f
= rated frequency
rpm
= motor rated rpm
P
= no. of motor poles
i.e.) rated frequency: 60Hz, rated rpm: 1740rpm, No. of poles: 4
Hz f
s
2
120
4 1740
60
=
⎟
⎠
⎞
⎜
⎝
⎛
×
− =
Frequency
Operation
command
Dwell time
Dwell frequency
Start frequency
10.6
Slip Compensation Control
Group Code Parameter Name Setting Range Initial Unit
P40 Motor type select - 0.1 ~ 0.4 -
P41 No. of motor poles - 2 ~ 12 4
P42 Rated slip frequency - 0 ~ 10 - Hz
P43 Motor rated current - 0.0 ~ 25.5 - A
P44 Motor no load current - 0.0 ~ 25.5 - A
PG Group
P46 Control mode select 1
0 ~ 2
0
ƒ Set P46 to 1(Slip compensation control).
ƒ This function enables the motor to run in constant speed by compensating inherent slip in an induction
motor.
P46: Set the motor type connected to the inverter output side.
0.1 0.1kW
0.2 0.2kW P46 Motor type select
0.4 0.4kW