Voltage Imb Level 1; Voltage Imb Out 0; Phase Rev Out 0; Freq Range Lower Trip Lvl 40 - ABB PSTX30 Installation And Commissioning Manual

7.15.9 Voltage imbalance protection
This protection detects voltage imbalance. Normally there
is the same voltage in all three phases. If the voltage is
different in the phases, the engine can run bumpy.
Check the main voltage and restart the motor.
Voltage imbalance protection is configured with the
following parameters:
Parameter
15.09 Voltage imb level
15.10 Voltage imb out
15.11 Voltage imb op
7.15.10 Phase reversal protection
This protection detects if if the phases are connected
incorrectly.
The order in which the phases are connected to the in-
stream power has no effect on the softstarter. But it may
7
be relevant to the component which is connected to the
softstarter. An engine can for example run in the wrong
direction if the phases are connected incorrectly. This
protection detects if the phases are connected in the
wrong order and then prevents the engine from starting.
Check the phase sequence on the line side to L1-L2-L3.
Phase reversal protection is configured with the
following parameters:
Parameter
16.01 Phase rev out
16.02 Phase rev operation
7.15.11 Frequence range protection
TBD
Frequnce range protection is configured with the
following parameters:
Parameter
16.03 Freq range lower trip lvl
16.04 Freq range upper trip lvl
16.05 Freq range trip time
16.06 Freq range out
16.07 Freq range op
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Description
Sets the Voltage imbalance trip
level.
Specifies the Event groups this
protection belongs to.
Sets the operation of this protection. Off, Stop manual,
Description
Specifies the Event groups this
protection belongs to.
Sets the operation of this protection. Off, Stop manual,
Description
Sets the lower trip level for the
frequency.
Sets the upper trip level for the
frequency.
Sets the time that the frequency has
to be outside the trip range to trip.
Specifies the Event groups this
protection belongs to.
Sets the operation of this protection.
Setting range Default value
1 ... 100 % 10 %
Eventgroup 0 ... 6 0000010
Off
Stop auto, Indication.
Setting range Default value
Eventgroup 0 ... 6 0000010
Off
Stop auto, Indication.
Setting range Default value
40 ...72 Hz

45 Hz

40 ...72 Hz 60 Hz
0 ... 60 s 1 s
Eventgroup 0 ... 6 2
Off, Stop manual, Off
Stop auto, Indication.