1SFC132081M0201 | Installation and commissioning manual | Functions 105
7.17.5 Power factor underload protection
The power factor is below the normal level.
Use the Power factor underload protection to supervise
the load of the motor. If the load decreases the power
factor also decreases.
This protection only operates in the Top of ramp state.
Power factor underload protection has these
parameters:
Parameter Description Setting range Default value
14.06 Pwr factor underload level Sets the Power factor underload
trip level.
0.0 ... 1.0 0.5
14.07 Pwr factor underload trip time Sets the time that the Power
factor is below the trip level to
trip.
0 ... 30 s 10 s
14.08 Pwr factor underload delay time Sets the time after Top of ramp
that the protection is enabled.
0 ... 30 s 5 s
14.09 Pwr factor underload out Identifies the Event groups this
protection is part of.
Eventgroup 0 ... 6 0000010
14.10 Pwr factor underload op Sets the operation of this
protection.
Off, Stop manual,
Stop auto, Indication.
Off
7.17.6 Current imbalance protection
This protection senses if there is imbalance in the
currents. Correctly all 3 phases have the same current.
This protection only operates in the Top of ramp state.
Current imbalance protection has these parameters:
Parameter Description Setting range Default value
14.11 Curr imb level Sets the permitted Current
imbalance level between the phase
with the highest current and the
phase with the lowest current.
10 ... 80% 80%
14.12 Curr imb trip time Sets the time that the Current
imbalance is below the trip level to
trip.
1 ... 30 s 10 s
14.13 Curr imb delay time Sets the time after Top of ramp that
the protection is enabled.
1 ... 30 s 5 s
14.14 Curr imb out Identifies the Event groups this
protection is part of.
Eventgroup 0 ...6 0000010
14.15 Curr imb operation Sets the operation of this
protection.
Off, Stop manual,
Stop auto, Indication.
Off
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