GE D90 Plus Instruction Manual page 286

GROUPED PROTECTION ELEMENTS
276
Figure 238: Breaker failure configuration settings
The following settings are available for each breaker failure element.
Function
Range: Enabled, Disabled
Default: Disabled
This setting enables and disables the breaker failure protection element.
Mode
Range: 1-Pole, 3-Pole
Default: 1-Pole
This setting selects the breaker failure operating mode: single-pole or three-pole.
Source
Range: LINE (SRC 1), BKR 1 (SRC 2), BKR 2 (SRC 3)
Default: LINE (SRC 1)
This setting selects the signal source for the breaker failure protection element.
Current Supervision
Range: Yes, No
Default: Yes
If set to "Yes", the breaker failure element will only be initiated if current flowing through
the breaker is above the supervision pickup level.
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
CHAPTER 7: PROTECTION