Locked Rotor Protection Time; Locked Rotor Protection, Type Of Operation - ABB PST Installation And Maintenance Manual

Low Voltage Products & Systems
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Chapter 10 - Functions

10:20 Locked rotor protection time

Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Locked Rotor/Lock R Time
This parameter makes it possible to set the delay time from detec-
tion until activation of the protection.
It is active only if Locked rotor protection is selected.
Parameter
text
Lock R Time 1.0 s
10:21 Locked rotor protection, type of
operation
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Locked Rotor/Lock R Op
This parameter makes it possible to select between three different
actions when the protection is activated. It is active only if the
Locked rotor protection is selected
Stop–M
Stop–Ind
Ind
Default
value
The motor stops and a manual reset is
required before restart.
The motor stops and an automatic reset
is performed when the fault disappears
The motor continues to run but a fault
indication is given.
Parameter Default
text value
Lock R Op Stop-M
Setting
Description
range
Trip time for
0.2... 10.0 s locked rotor
protection
Setting
Description
range
Type of
Stop-M, operation for
Stop-A, Ind locked rotor
protection
129
AC 1006.9 - 5/03