Chapter 4 Parameters
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Revision Dec. 2008, 04VE, SW V2.05
4-57
This parameter determines the time unit for the Acceleration/Deceleration setting. Refer to
Pr.01-12 ~ Pr.01-19 (accel./decel. Time 1 to 4), Pr. 01-20~Pr.01-21 (JOG accel./decel. Time)
and Pr. 01-24~Pr.01-27 (S curve accel./decel. Time).
00-15
Reserved
00-16
Reserved
00-17
Carrier Frequency
Unit: 1
Control
mode
VF VFPG SVC
FOCPG TQCPG
Factory setting: 10
Settings
1~15kHz
This parameter determinates the PWM carrier frequency of the AC motor drive.
230V/460V Series
Models
1-5HP
0.75-3.7kW
7.5-25HP
5.5-18.5kW
30-60HP
22-45kW
75-100HP
55-75Kw
Setting Range
01~15kHz 01~15kHz 01~09kHz
01~06kHz
Factory Setting
10kHz
9kHz 6kHz 6kHz
1kHz
8kHz
15kHz
Carrier
Frequency
Acoustic
Noise
Electromagnetic
Noise or Leakage
Current
Heat
Dissipation
Current
Wave
Significant
Minimal
Minimal
Minimal
Significant
Significant
From the table, we see that the PWM carrier frequency has a significant influence on the
electromagnetic noise, AC motor drive heat dissipation, and motor acoustic noise.
00-18
Auto Voltage Regulation (AVR) Function
Control
mode
VF VFPG SVC
FOCPG TQCPG
Factory setting: 0
Settings
0
Enable
AVR
1
Disable
AVR
2
Disable AVR when deceleration stop
It is used to select the AVR mode. AVR is used to regulate the output voltage to the motor. For
example, if V/f curve is set to AC200V/50Hz and the input voltage is from 200 to 264VAC, the
output voltage won’t excess AC200V/50Hz. If the input voltage is from 180 to 200V, the output
voltage to the motor and the input voltage will be in direct proportion.
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Summary of Contents for VFD-VE
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