Connection type, Phase connection, 5�6�- phase connection – CIRCUTOR computer SMART III-Fast Series User Manual
Page 78: 3u3c, 3u1c, 2u1c
5�5�-CONNECTIONTYPE
Inthispointtheconnectiontypeoftheinstallation
isselected,where:
3u3C
:3voltages+neutraland3currents�
3u1C
:3voltages+neutraland1current�
2u1C
:2voltagesand1current�
Pressthe
keytoentereditingmode�Itisidentifiedbythe
symbolandtheblinking
ofthedigitstobemodified�
The
keyshowsthenextoption�
The
keyshowsthepreviousoption�
Press
tovalidatethedata;the
symboldisappearsfromthedisplay�
Pressthe
keytoaccessthenextprogrammingstep�
Ifnokeysarepressedfor5minutes,theunitswitchestothesimulationscreen,
�
5�6�-PHASECONNECTION
Thisparameterisusedtoadapttheunittothevariousoptionsforconnectingthepowersupply
andmeasurementcablesandthecurrenttransformerstothephasesofthethree-phase
system�
Theconnectionscreenchangesaccordingtotheconnectiontypeprogrammedinthepreceding
point�
Connection type
3u1C
or
2u1C
Ifaconnectionwithasinglecurrenthasbeen
selected(
3u1C
or
2u1C
),oneofthe6possible
phasesindicatedin
screen�
Theselectionofoneoranotheroftheoptions
mustbemadewheninductivereactivepowerwith
aninductivecosφof0�6to1isbeingconsumed
intheinstallationatthetimeofadjustment�The
variousoptionsaretrieduntilthescreenshowsa
cosφof0�6to1(thedisplayofthecosφisonly
informative,noteditable)�
78
Computer SMART III FAST
Instruction Manual