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Open-loop Motor A5
61
MOTOR MIN FREQ
(
V/Hz Pattern Minimum Frequency)
This parameter sets minimum frequency used to
define the V/Hz pattern. Note: a SETUP FLT #9
will occur if the below formula is not meet.
<
<
FREQ
EXCIT
RATED
FREQ
MID
MOTOR
FREQ
MIN
MOTOR
RATED MOTOR CURR
(
Rated Motor Amps)
This parameter sets the rated motor current.
Note: value should be obtained from the motor
nameplate
MOTOR POLES
(Motor Poles)
This parameter sets the number of poles in the
motor.
NOTE: This must be an even number or a
Setup Fault #3 will occur. Note: value should be
obtained from the motor nameplate or use table
below as reference
Rated
#
of
Speed
motor
(RPM)
poles
1300-1800 4
900-1200 6
660-900 8
RATED MTR SPEED
(
Rated Motor Speed)
This parameter sets the rated rpm of the motor
(nameplate speed). NOTE: This is a function of
the motor only and does not need to be the
same as the CONTRACT MTR SPD (A1)
parameter setting. Note: value should be
obtained from the motor nameplate or use table
below as reference
Rated
#
of
Speed
motor
(RPM)
poles
1300-1801 4
900-1201 6
660-900 8
% NO LOAD CURR
(Percent No Load Current)
This parameter sets the percent no load current
of the motor.
STATOR LEAKAGE X
(Stator Leakage Reactance)
This parameter sets the stator reactance
leakage, as a percent of the BASE
IMPEDANCE, which appears in the Power Data
display.
NOTE: The base impedance is based on the
RATED MTR PWR (A5) and RATED MTR
VOLTS (A5) parameters.
ROTOR LEAKAGE X
(Rotor Leakage Reactance)
This parameter sets the rotor reactance leakage,
as a percent of the BASE IMPEDANCE (D2),
which appears in the Power Data display.
NOTE: The base impedance is based on the
RATED MTR PWR (A5) and RATED MTR
VOLTS (A5) parameters.
STATOR RESIST
(Stator Resistance)
This parameter sets the amount of resistance in
the motor stator, as a percent of the BASE
IMPEDANCE (D2), which appears in the Power
Data display.
NOTE: The base impedance is based on the
RATED MTR PWR (A5) and RATED MTR
VOLTS (A5) parameters.
MOTOR IRON LOSS
(Motor Iron Loss)
This parameter sets the motor iron loss at rated
frequency.
MOTOR MECH LOSS
(Motor Mechanical Losses)
This parameter sets the motor mechanical
losses at rated frequency.