Motor Parameters - P399 - WEG CFW08 Vector inverter User Manual

6.3.4 Motor Parameters - P399 ... P499
Parameter
P399 (1)
Rated Motor
Efficiency
This
parameter is only
available in Vector
Control (P202=2)
P400 (1)
Rated Motor
Voltage
This
parameter in only
available in Vector
Control (P202=2)
P401 0.3xPI
Rated Motor
Current
P402
Rated Motor
Speed
This
parameter in only
available in Vector
Control (P202=2)
(1)
P403
Rated Motor [ 50.00Hz or 60.00Hz
Frequency
0.01Hz (<100.0Hz);
This
parameter in only
available in Vector
Control (P202=2)
(1)
This parameter can be changed only with the inverter disabled (motor stopped).
Range
[Factory Setting]
Unit Description / Notes
Set this parameter according to motor nameplate.
50.0...99.9%
If this data are not available:
[ according to the
- If the rated motor power factor is known
inverter model ]
0.1%
- For an approximation, use the values from the table of item 9.3.
It is used only in Vector Control Mode.
0...600V
Rated motor voltage indicated on the motor nameplate.
[ according to the
It is the rms-value of the motor line voltage.
inverter model
Set this parameter according to the motor nameplate data and the
and market ]
connection digram in the terminal box.
1V
This parameter is used only in Vector Control Mode.
Rated motor current indicated on the motor nameplate.
...1.3xPI
nom nom
It is the rms-value of the rated motor line current.
[ according to
Set this parameter according to the motor nameplate data and the
the inverter
connection digram in the terminal box.
model ]
This parameter is used in V/F control [slip compensation function
0.01A (<10.0A);
and automatic torque boost function (automatic IxR)] and vector
0.1A (>9.99A)
control.
Set this parameter according to the motor nameplate data.
0...9999rpm
This parameter is used only in Vector Control mode.
[ according to
the inverter model
and market ]
1rpm
0.00...P134 Set this parameter according to the motor nameplate data.
This parameter is used only in Vector Control mode.
depending on
the market ]
0.1Hz (>99.99Hz)
DETAILED PARAMETER DESCRIPTION
∅
(cos =P407), determine the efficiency by the following equation:
η
P399 =
nom
where P is the motor power in HP, V is the rated motor
voltage in Volts (V) - P400, and I is the rated motor current in
ampere (A) - P401.
P
= 433 x
V x I x cos ∅
101