ABB ACS355 Manual page 52
Solar pump inverter (+n827)
Hide thumbs
Also See for ACS355:
- Installation manual ,
- User manual (437 pages) ,
- Quick start up manual (139 pages)
Table of Contents
Advertisement
52 Actual signals and parameters
All parameters
No.
Name/
Value
26 MOTOR
CONTROL
2605
U/F RATIO
LINEAR
SQUARED
USER
DEFINED
2609
NOISE
SMOOTHING
DISABLE
ENABLE
2619
DC
STABILIZER
DISABLE
ENABLE
Description
Motor control variables
Selects the voltage to frequency (U/f) ratio below the
field weakening point. For scalar control only.
Linear ratio for constant torque applications.
Squared ratio for centrifugal pump and fan
applications. With squared U/f ratio the noise level is
lower for most operating frequencies.
Note: This parameter value is not recommended for
permanent magnet synchronous motors.
Custom ratio defined by parameters 2610...2618. See
section Custom U/f ratio in ACS355 User's manual
(3AUA0000066143 [English]).
Enables the noise smoothing function. Noise
smoothing distributes the acoustic motor noise over a
range of frequencies instead of a single tonal
frequency resulting in lower peak noise intensity. A
random component with an average of 0 Hz is added
to the switching frequency set by parameter 2606
SWITCHING FREQ. See ACS355 User's manual
(3AUA0000066143 [English])
Note: Parameter has no effect if parameter 2606
SWITCHING FREQ is set to 16 kHz.
Disabled
Enabled
Enables or disables the DC voltage stabilizer. The DC
stabilizer is used to prevent possible voltage
oscillations in the drive DC bus caused by motor load
or weak supply network. In case of voltage variation,
the drive tunes the frequency reference to stabilize the
DC bus voltage and therefore the load torque
oscillation.
Disabled
Enabled
Def/ FbEq
SQUARED
1
2
3
ENABLE
0
1
ENABLE
0
1
Hide quick links:
Advertisement
Table of Contents
