High Current Protection - ABB PST30 Installation And Maintenance Manual

Low Voltage Products & Systems
ABB Inc. • 888-385-1221 • www.abb-control.com
Chapter 10
Functions
10:27 Phase imbalance protection level
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Phase Imb/Ph Imb Lev
This parameter makes it possible to set the level of the phase imbalance protection. It is
active only if the Phase imbalance protection is selected.
Parameter text
Ph lmb Lev
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 protec-
tion is activated. It is active only if the phase imbalance protection is selected.
Parameter text
Ph lmb Op
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
High I
10:30 High current protection, type of operation
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/High I/High I Op
This parameter makes it possible to select between three different actions when the protec-
tion is activated. It is active only if the high current protection is selected.
Parameter text
High I Op
10:31 Phase reversal protection
Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Phase Rev
The softstarter accepts any phase sequence but if this protection is selected, the phase
sequence must be L1, L2, L3 or else the protection is activated.
Parameter text
Phase Rev
Default value
80%
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
Ind The motor continues to run but a fault indication is given
Default value
Stop-M
Default value
No
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
Ind The motor continues to run but a fault indication is given
Default value
Stop-M
Default value
No
Setting range Description
Trip level for Phase
10...80%
imbalance protection
Setting range Description
Type of operation
Stop-M, Stop-A, Ind. for Phase imbalance
protection
Setting range Description
Yes, No

High current protection

Setting range Description
Type of operation for
Stop-M, Stop-A, Ind
high current protection
Setting range Description
Phase reveral protec-
Yes, No
tion
1SXU 132 021 M0201
10
10.9