Thyristor Short Circuit Fault, Type Of Operation; Type Of Operation - ABB PST30 Installation And Commissioning Manual

Chapter 10
Functions
156
10:51 Thyristor short circuit fault, type of
operation
Path in menu:
Menu/SETTINGS/Functional Settings/
Faults/SCR SC Op
If one or several thyristors are shorted, this parameter makes
it possible to select between two different actions of the
softstarter.
Stop–M The motor stops and a manual reset is required
before restart.
Stop–A The motor stops and an automatic reset is
performed when the fault disappears.
Parameter Default value Setting range
text
SCR SC Stop–M
Op
10:52 By-pass doesn't open fault,

type of operation

Path in menu:
Menu/SETTINGS/Functional Settings/Faults/
BP Closed Op
This parameter makes it possible to select between two
different actions of the softstarter if the by-pass contactor
does not open in a proper way.
Stop-M The motor stops and a manual reset is required
before restart.
Stop-A The motor stops and an automatic reset is
performed when the fault disappears.
Parameter Default value Setting range
text
BP Closed Stop-M
Op
Description
Stop–M, Stop–A Type of opera-
tion for thyristor
short circuit fault
Description
Stop-M, Stop-A Type of opera-
tion if the by-
pass does not
open
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