Phase Imbalance Protection; Phase Imbalance Protection Level - ABB PST30 Installation And Commissioning Manual

1SFC132003M0201

10:30 Phase imbalance protection

Path in menu:
Menu/SETTINGS/Functional Settings/
Protections/Phase Imb
If the current in one phase differs from another phase with
more than the set level the protection is activated.
The protection starts monitoring 30 seconds after full voltage,
and trips after 10 seconds of imbalance.
Parameter Default value Setting range
text
Phase Imb No

10:31 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 Default value Setting range
text
Ph Imb Lev 80%
Description
Yes, No Phase imbal-
ance protection
Description
10...80% Trip level for
Phase imbal-
ance protection
Chapter 10
Functions
147