ABB PST, Installation And Maintenance Manual

Page: 133 / 180

Low Voltage Products & Systems 133
ABB Inc. • 888-385-1221 • www.abb-control.com AC 1006.9 - 5/03
Chapter 10 - Functions
10:28 Phase imbalance protection, type of
operation
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Phase Imb/Phase Imb Op
This parameter makes it possible to select between three different
actions when the protection is activated. It is active only if the phase
imbalance protection is selected.
10:29 High current protection
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/High I
This is a current protection with a fixed level of 8 x Ie during 200 ms.
The protection is activated if the current exceeds this level and time.
Parameter
text Default
value Setting
range
Description
Ph Imb Op Stop-M
Stop-M,
Stop-A, Ind High current
protection
Stop– M
Stop– A
Ind
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
text Default
value Setting
range
Description
High I No Yes, No
High current
protection