Areva MiCOM P921 - Page 97

Technical Guide P92x/EN FT/E11
User Guide
MiCOM P921-P922-P923 Page 19/110
· MiCOM P923 :
CONFIGURATION
82
GENERAL
6
VT RATIO
6
LED
6
GROUP SELECT
6
4 4 4 4
82
LED 5 CONF.
6
LED 6 CONF.
6
V<= NO
4
V<= NO
4
CONFIGURATION
…
FREQ. and df/dt
6
ALARMS
6
CONFIGURATION
CONFIG
4 4
INPUTS
7.1 "GENERAL" sub-menu
7.1.1 Description
In this menu, the user may select the connection used, the type of voltage protection
and the default display.
- "Phase – Neutral" protection : the analogue input data, which will be compared
to the stages, are then the phase voltages VA, VB and VC. Select “PROT P-N” in
the menu.
- "Phase – Phase" protection : the analogue input data, which will be compared
to the stages, are then the line voltages Vab, Vbc and Vca (calculated or
measured data according to the connection scheme). Select “PROT P-P” in the
menu.