3Com VFD-D D Refrigerator User Manual


 
Chapter 4 Parameter Settings|DD Series
4-34
NOTE
; In torque/vector control mode, it is not recommended to have motors run in parallel.
; It is not recommended to use torque/vector control mode if motor rated power exceeds the
rated power of the AC motor drive.
; The no-load current is usually 20~50% X rated current.
; The rated speed can not be greater than or equal to 120f/p (f=rated frequency Pr.01-32; P:
number of motor poles Pr.01-15).
Full-load Current of Motor (IM)
Control mode
VF
VFPG SVC FOCPG
Unit: Amper
Factory setting: 1.00
Settings (20~120%)*00.01 Amps
This value should be set according to the rated frequency of the motor as indicated on the motor
nameplate. The factory setting is 90% X rated current.
Example: If rated current for 400W model is 2.5A. The current range for user will be 0.5~3.0A.
(2.5*20%=0.5 2.5*120%=3.0)
Rated power of Motor (IM)
Control mode
SVC FOCPG
Factory setting: 0.06
Settings 0.00~655.35 kW
This parameter sets motor’s rated power. Factory setting will be the drive’s power.
Rated speed of IM Motor (rpm)
Control mode
VFPG SVC FOCPG
Factory setting: 250
Settings 0~65535
This parameter sets motor’s rated speed and it must be set according to the specification shown on the
nameplate.
Number of Motor Poles (IM)
Control mode
VF
VFPG SVC FOCPG
Factory setting: 16
Settings 2~96
This parameter sets number of motor poles (odd value is invalid).
No-load Current of Motor (IM)
Control mode
VFPG SVC FOCPG
Factory setting: #. ##
Settings 00~ Pr.01.12 factory setting
Factory setting of the drive’s rated current is 40%.
Rs of Motor (IM)
Control mode
SVC FOCPG
Factory setting: 0.000
Settings
0.000~65.535Ω
Rr of Motor (IM)
Control mode
SVC FOCPG
Factory setting: 0.000
Settings
0.0~65.535Ω
Lm of Motor (IM)
Control mode
SVC FOCPG
Factory setting: 0.0
Settings 0.0~6553.5mH
Lx of Motor (IM)
Control mode
SVC FOCPG
Factory setting: 0.0