User Manual
EM303A General Purpose Inverter
89
F1-03 Motor Rated Current 0.1～1500.0 A XXXX 〇
F1-04 Motor Rated Frequency 20.00～600.00 Hz XXXX 〇
F1-05 Motor Rated Speed 1～30000 rpm XXXX 〇
F1-06 Motor Wiring Mode 0：Y Wiring 1：Δ Wiring
X 〇
F1-07 Motor Rated Power Factor 0.50～0.99 X
F1-14 Motor Efficiency 30.0～99.00 % XXX 〇
Remarks:
When connecting the inverter to the motor at the first time, set the above parameters as
per the motor nameplate before operation.
No.
Function
Range
Unit Default
Type
F1-08 Idling Excitation Current 0.1～1500.0 A XXXX 〇
F1-09 Rated Torque Current 0.1～1500.0 A XXXX 〇
F1-10 Stator Resistance R1 0.01～300.00 Ω XXXX 〇
F1-11 Rotator Resistance R2 0.01～300.00 Ω XXXX 〇
F1-12 Stator& Rotor Leakage Inductance Ls 0.1～3000.0 mH XXXX 〇
F1-13 Stator& Rotor Mutual Inductance Lm 0.1～3000.0 mH XXXX 〇
F1-08～F1-13 are motor parameters, autotune motor parameter to obtain the above
parameters.
Before autotuning motor parameter, inverter will set the nameplate parameters(set by
F1-00
～F1-07) as the standard motor parameters automatically.
The T Equivalent Model of motor is as shown in Figure7-7.
Figure 7-7 T Equivalent Model of Induction Motor
R1, L1, R2, L2, Lm, and I0 in Figure 7-7 refers to stator resistance, stator
inductance, rotor resistance, rotor inductance, stator and rotor mutual inductance,
and idling excitation current respectively.
No.
Function
Range
Unit Default
Type
F1-15 Autotuning
0: No autotuning
1: Staionary autotuning (R
1
,R
2
,Ls,Lm,I
0
)
2: Rotational autotuning (R
1
,R
2
,Ls,Lm,I
0
)
0 〇
F1-15=0 No autotuning
F1-15=1 Motor remains motionless in the process of autotuning parameters F1-07 and
F1-10
～F1-14.
F1-15=2 Motor is rotating in the process of autotuning parameters F1-07 and F1-10～
F1-14.
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