Areva MiCOM P125, Техническое руководство

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Getting Started P12y/EN GS/D32
MiCOM P125/P126 & P127 Page 13/48
9.4 Main Functions
The following table shows the functions available with the models.
MODELS and FUNCTIONS
FUNCTIONS ANSI CODE
MiCOM
P125
MiCOM
P126
MiCOM
P127
Directional/non-directional earth fault 67N/50N/51N o o o
Directional/non-directional three phase
overcurrent
67/50/51 o
Three phase overcurrent 50/51 o
Wattmetric protection (Pe or IeCos) 32N/IeCos (*)
o o o
Broken conductor detector o o
Undercurrent 37 o o
Negative phase sequence overcurrent 46 o o
Thermal overload 49 o o
Undervoltage 27
o
Overvoltage 59 o
Residual overvoltage 59N o o o
Auto-reclose (4 shots) with TOR 79 o o
Circuit breaker failure 50BF o o
Circuit breaker monitoring and control
o o
Blocking logic o o o
Cold load pickup
o o
Selective relay scheme logic o o
Start contact
o o o
SOTF– Switch on to Fault o o
Programmable AND logic o o
Setting group 2 2 2
Measurements o o o
Fault records o o
Istantaneous record o o
Rolling Demand
o o
Event records o o
Disturbance records o o
Test facilities (Maintenance mode) o o o
Diagnostic/self monitoring o o o
Network communication o o o
RS232 front port o o o
*NOTE : Pe = Vr x Ie x Cos
ϕ
IeCos = Ie x Cos
ϕ