ABB ACQ580 Firmware Manual page 297

No. Name/Value
99.04 Motor control mode
Vector
Scalar
99.06 Motor nominal
current
0.0...6400.0 A
99.07 Motor nominal
voltage
0.0...960.0 V
Description
Selects the motor control mode.
Vector control. Vector control has better accuracy than scalar
control but cannot be used in all situations (see selection
Scalar below).
Requires motor identification run (ID run). See parameter
99.13 ID run requested.
Note: In vector control the drive performs a standstill ID run at
the first start if ID run has not been previously performed. A
new start command is required after standstill ID run.
Note: To achieve a better motor control performance, you can
perform a normal ID run without load.
See also section Operating modes of the drive
Scalar control. Suitable for most applications, if top
performance is not required.
Motor identification run is not required.
Note: Scalar control must be used in the following situations:
• with multimotor systems 1) if the load is not equally shared
between the motors, 2) if the motors are of different sizes,
or 3) if the motors are going to be changed after the motor
identification (ID run)
• if the nominal current of the motor is less than 1/6 of the
nominal output current of the drive
• if the drive is used with no motor connected (for example,
for test purposes).
Note: Correct motor operation requires that the magnetizing
current of the motor does not exceed 90% of the nominal
current of the inverter.
See also section DC voltage control
Operating modes of the drive
Defines the nominal motor current. Must be equal to the value
on the motor rating plate. If multiple motors are connected to
the drive, enter the total current of the motors.
Notes:
• Correct motor operation requires that the magnetizing
current of the motor does not exceed 90% of the nominal
current of the drive.
• This parameter cannot be changed while the drive is
running.
Nominal current of the motor. The allowable range is 1/6...2 ×
I of the drive (0...2 × I
N N
Defines the nominal motor voltage supplied to the motor. This
setting must match the value on the rating plate of the motor.
Notes:
• With permanent magnet motors, the nominal voltage is the
BackEMF voltage at nominal speed of the motor. If the
voltage is given as voltage per rpm, e.g. 60 V per
1000 rpm, the voltage for a nominal speed of 3000 rpm is
3 × 60 V = 180 V.
• The stress on the motor insulation is always dependent on
the drive supply voltage. This also applies to the case
where the motor voltage rating is lower than that of the
drive and the supply.
• This parameter cannot be changed while the drive is
running.
Nominal voltage of the motor.
(page 40).
(page 80), and section
(page 40).
with scalar control mode).
Parameters 293
Def/FbEq16
Scalar
0
1
0.0 A
1 = 1 A
0.0 V
10 = 1 V