scheider electric MiCOM P746 - CT and VT Ratios

P746/EN ST/G31 Settings
(ST) 4-
18 MiCOM P746
ST
Setting Range
Menu Text Default Setting
Min. Max.
Step Size
DST End Last First, Second, Third, Fourth, Last
Setting to specify the week of the month in which daylight saving time adjustment ends.
DST End Day Sunday
Monday, Tuesday, Wednesday, Thursday,
Friday, Saturday
Setting to specify the day of the week in which daylight saving time adjustment ends
DST End Month October
January, February, March, April, May,
June, July, August, September, October,
November, December
Setting to specify the month in which daylight saving time adjustment ends
DST End Mins 60 0 1425 15min
Setting to specify the time of day in which daylight saving time adjustment ends. This is
set relative to 00:00 hrs on the selected day when time adjustment is to end.
RP1 Time Zone Local UTC or Local
Setting for the rear port 1 interface to specify if time synchronisation received will be local
or universal time coordinated
RP2 Time Zone Local UTC or Local
Setting for the rear port 2 interface to specify if time synchronisation received will be local
or universal time coordinated
Tunnel Time Zone Local UTC or Local
With Ethernet option only:
Setting to specify if time synchronisation received will be local or universal time co-
ordinate when ‘tunnelling’ courier protocol over Ethernet.
1.3.3 CT and VT Ratios
Setting Range
Menu Text Default Setting
Min. Max.
Step Size
CT AND VT RATIOS
Main VT Primary 110.0 V 100.0 V 1.000 MV 1.000 V
Sets the phase Voltage Transformer input primary voltage rating.
Main VT’s Sec’y 110.0 V 80.00 V 140.0 V 1.000 V
Sets the phase Voltage Transformer input secondary voltage rating.
T1 CT to T6 CT (one box) / T1 CT to T18 CT (three box)
Polarity Standard Standard / Inverted
Standard or reverse phase sequence can be selected. This menu sets this phase
sequence.
Primary 1.000 kA 1.000 A 30.00 kA 1 A
Sets the phase Current Transformer input primary current rating.
Secondary 1.000 A 1.000 A or 5.000 A
Sets the phase Current Transformer input secondary current rating.