Alstom MiCOM P546 - 5.4.7 GROUP 1 SYSTEM CHECKS menu:

P54x/EN AP/La4 Application Notes
(AP) 6-80 MiCOM P543, P544, P545 & P546
AP
5.4.7 GROUP 1 SYSTEM CHECKS menu:
In the GROUP 1 SYSTEM CHECKS column, the following should be set :-
 Live Line (48 85): set 32 V (typical setting 50% of nominal applied voltage of selected
CS Input (set to A-N in this example));
 Dead Line (48 86): set 13 V (typical setting 20% of nominal applied voltage of selected
CS Input (set to A-N in this example));
 Live Bus 1 (48 87): set 32 V (typical setting 50% of “compensated” nominal applied
voltage);
 Dead Bus 1 (48 88): set 13 V (typical setting 20% of “compensated” nominal applied
voltage).
 Live Bus 2 (48 89): set 32 V (typical setting 50% of “compensated” nominal applied
voltage);
 Dead Bus 2 (48 8 A): set 13 V (typical setting 20% of “compensated” nominal applied
voltage);
 CS UV (48 8B): set 54 V (typical setting 85% of nominal applied voltage of selected
CS Input (set to A-N in this example));
 CS OV (48 8C): set 76 V (typical setting 120% of nominal applied voltage of selected
CS Input (set to A-N in this example));
 Sys Checks CB1 (48 8D): set Enabled;
 CB1 CS Volt. Blk (48 8E): set V< V> and Vdiff;
 CB1 CS1 Status (48 8F): set Enabled;
 CB1 CS1 Angle (48 90): set 20 degree;
 CB1 CS1 Vdiff (48 91): set 6.5 V (typical setting 10% of nominal applied voltage of
selected CS Input (set to A-N in this example));
 CB1 CS1 SlipCtrl (48 92): set Enabled;
 CB1 CS1 SlipFreq (48 93
): set 0.05Hz;
 CB1 CS2 Status (48 94): set Disabled;
 Sys Checks CB2 (48 9B): set Enabled;
 CB2 CS Volt. Blk (48 9C): set V< V> and Vdiff;
 CB2 CS1 Status (48 9D): set Enabled;
 CB2 CS1 Angle (48 9E): set 20 degrees;
 CB2 CS1 Vdiff (48 9F): set 6.5 V (typical setting 10% of nominal applied voltage of
selected CS Input (set to A-N in this example));
 CB2 CS1 SlipCtrl (48 A0): set Enable;
 CB2 CS1 SlipFreq (48 A1): set 0.05Hz;
 CB2 CS2 Status (48 94): set Disabled;