CIRCUTOR computer SMART III-Fast Series - Manual (Page 41)

Active alarms Parameters
Active alarm code E01 to E017
( Table 9 )
If there are more than 4 alarms, the
informationisscrolledonthescreen�
Table 9: Alarm codes�
Code Description
E01
No current�Theloadcurrentislowerthantheminimumvalueorsomeofthe
currenttransformers(CT)arenotconnected�
Itisactivatedwhenthesecondarycurrentofthetransformerislowerthan50
mAinsomeofthephases�
Theunitdisconnectsthecapacitorsautomatically�
E02 Overcompensation�Theunitmeasurescapacitivepowerbutallthestages
aredisconnected�
ThiscanbeduetoanincorrectadjustmentoftheC/Kparameter�
Inordertoavoidpossiblefalseactions,thisalarmhasapredefineddelayof90
seconds�
E03 Undercompensation�Theunitmeasuresinductivepowerbutallthestages
aredisconnected�
ThiscanbeduetoanincorrectadjustmentoftheC/Kparameter�
Inordertoavoidpossiblefalseactions,thisalarmhasapredefineddelayof90
seconds�
E04 Overcurrent�Themeasuredcurrentexceedsthenominalcurrentby+20%
insomeofthephases�ThenominalcurrentisconsideredtobethatoftheCT
primary�
Inordertoavoidpossiblefalseactions,thisalarmhasapredefineddelayof5
seconds�
E05 Overvoltage�Thevoltagemeasuredinsomeofthephasesexceedsthecon-
figuredvoltage(Vp-n)�
Theunitdisconnectsthecapacitorsautomatically�
Inordertoavoidpossiblefalseactions,thisalarmhasapredefineddelayof5
seconds�
E06 Low voltage�Thevoltageinsomeofthephasesislowerthantheconfigured
voltage(Vp-n)�
Theunitdisconnectsthecapacitorsautomatically�
Inordertoavoidpossiblefalseactions,thisalarmhasapredefineddelayof5
seconds�
E07 Cos φ alarm�Thethree-phasecos φ islowerthanthelimitconfiguredinthe
Cosφalarm�Also,themeasuredcurrentsshouldbehigherthantheconfigured
threshold�
Inordertoavoidpossiblefalseactions,thisalarmhasapredefineddelayof15
seconds�
41 Instruction Manual
Computer SMART III FAST