Alstom MiCOM P546 - 1.4.4.2 CT;VT ratios (P544;P546)

P54x/EN ST/La4 Settings
(ST) 4-76 MiCOM P543, P544, P545, P546
ST
6) 1.4.4.2 CT/VT ratios (P544/P54
Setting range
Menu text Default setting
Min.
Step size
Max.
Main VT Primary 110.0 V 100 V 1000 kV 1
Sets the main voltage transformer input primary voltage.
Main VT Sec’y 110.0 V 80 V 140 V 1
Sets the main voltage transformer input secondary voltage.
CB1 CS VT Prim’y 110.0 V 100 V 1000 kV 1
Sets the System Check Synchronism voltage transformer input primary voltage.
CB1 CS VT Sec’y 110.0 V 80 V 140 V 1
Sets the System Check Synchronism voltage transformer input secondary voltage.
CB2 CS VT Prim’y 110.0 V 100 V 1000 kV 1
Sets the System Check Synchronism voltage tr primary voltage. ansformer input
CB2 CS VT Sec’y 110.0 V 80 V 140 V 1
Sets the System Check Synchronism voltage tr mer inpu ndary voansfor t seco ltage.
Phase CT Primary 1.000 A 1 A 30 kA 1
Sets the phase current rmer input prima nt ratingtransfo ry curre .
Phase CT Sec’y 1 A 1 A 5 A 4
Sets the phase current rmer input secon rrent ratransfo dary cu ting.
SEF CT Primary 1.000 A 1 A 30 kA 1
Sets the sensitive earth current transforme rimary rating. fault r input p current
SEF CT Secondary 1 A 1 A 5 A 4
Sets the sensitive earth fault current transformer input secondary current rating.
MComp CT Primary 1.000 A 1 30 k 1
Sets the primary current rating of the neutral transformer that is located on the parallel line.
MComp CT Sec’y 1 A 1 A 5 A 4
Sets the secondary current rating of the neutral transformer that is located on the parallel
line.
CS Input A-N
A-N, B-N, C-N, A-B, B-C,
C-A
N/A
Selects the System Check Synchronism Input voltage measurement.
CT1 Polarity Standard Standard or Inverted
To invert polarity (180 ° he CT. ) of t
CT2 Polarity Standard Standard or Inverted
To invert polarity (180 °) of the CT2.
SEF CT Polarity Standard Standard or Inverted
To invert polarity (180 °) of the SEF CT.
M CT Polarity Standard Standard or Inverted
To invert polarity (180 °) of the M CT.