Using Quick Start to Program the Drive
5-13
For V/Hz regulation, this parameter specifies the maximum allowed speed in hertz.
The drive is equipped with configurable overspeed protection at the frequency level
programmed in OVERFREQUENCY LIMIT (H.022)
For vector regulation, this parameter specifies the maximum allowed speed in RPM.
The drive is equipped with fixed overspeed protection at 130% of MAXIMUM SPEED.
*For M/N 125R4140, the maximum CURRENT LIMIT setting is 100% when
P.047 = 8 kHz carrier frequency.
For V/Hz regulation: Current limit is set as a percentage of the Power Module rated
amps with a maximum value of 110%. 110% current limit equals the current value in
P/M OUTPUT AMPS (P.095). When the output current attempts to exceed the present
current limit, the output voltage and frequency are lowered as the GV3000/SE drive
reduces output current.
For vector regulation: Current limit is a percentage of the value entered for MOTOR
NAMEPL AMPS (U.004). The output current will be limited to the current limit value,
which might result in decreasing motor speed or extended acceleration and
deceleration time.
MAXIMUM SPEED (P.004)
Limits the reference.
Regardless of the
supplied reference,
the regulator will not
command a speed
greater than the
value programmed
for this parameter.
Parameter Range:
15.0 to OVERFREQUENCY LIMIT (H.022) HERTZ
(V/Hz)
10 to MOTOR TOP SPEED (U.017) RPM (vector)
Default Setting:
60.0 HERTZ (V/Hz)
1722 RPM (vector)
Parameter Type:
Tunable
!
ATTENTION: The user is responsible for ensuring that driven
machinery, all drive-train mechanisms, and application material can
safely operate at the maximum operating speed of the drive. Overspeed
detection in the drive determines when the drive shuts down. For vector
regulation, this is factory programmed to 130% of maximum speed. For
volts/hertz regulation, this is fixed at the frequency level programmed
in overfrequency limit (H.022). Failure to observe this precaution can
result in bodily injury.
CURRENT LIMIT (P.005)
Provides the means
to limit motor stator
current while running
at constant speed or
during acceleration.
Parameter Range:
50 to 110%* (V/Hz)
MAGNET CURRENT PRCNT (U.006) to 150%
(vector)
Default Setting:
100% (V/Hz)
150% (vector)
Parameter Type:
Tunable
Summary of Contents for Reliance electric GV3000/SE
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