1.2 b: Application
74
YASKAWA ELECTRIC
SIEP C710606 10A YASKAWA AC Drive - V1000 PRELIM. Programming Manual
◆
b8: Energy Saving
The Energy Saving feature improves overall system operating efficiency by operating the
motor at its most efficient level. This is accomplished by continuously monitoring the motor
load and controlling the motor so that it always operates near its rated slip frequency.
Note:
Energy Saving is mainly designed for applications with variable torque (Normal Duty) but is not
appropriate for applications where the load may suddenly increase.
■
b8-01: Energy Saving Control Selection
Enables or disables the Energy Saving function.
Setting 0: Disabled
Setting 1: Enabled
■
b8-02: Energy Saving Gain (OLV only)
Sets the gain that is used to for magnetizing current reduction during Energy Saving. A
higher value results in lower magnetization of the motor and thereby less energy
consumption. However, if b8-02 is too high the motor might stall.
■
b8-03: Energy Saving Control Filter Time Constant (OLV only)
Parameter b8-03 sets the response time for Energy Saving. Although lowering this value
allows for a quicker response, instability may result if it is too low.
■
b8-04: Energy Saving Coefficient Value (V/f Control)
Parameter b8-04 is used to fine tune the Energy Saving control. The default setting depends
on the capacity of the drive. The value can be optimized in small amounts while viewing the
output power monitor (U1-08) and running the drive.
A smaller value results in less output voltage and less energy consumption, but a too small
value will cause the motor to stall.
No.
Parameter Name
Setting Range
Default
b8-01
Energy Saving Control Selection
0 or 1
0
No.
Name
Setting Range
Default
b8-02
Energy Saving Gain
0.00 to 10.0
0.7
No.
Name
Setting Range
Default
b8-03
Energy Saving Control Filter Time Constant
0.00 to 10.00
Determined by
o2-04
Содержание OYMC V1000
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