GE D90 Plus Instruction Manual page 289

CHAPTER 7: PROTECTION
PLUS
D90 LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 242: 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 is initiated only if current flowing through the
breaker is above the supervision pickup level.
GROUPED PROTECTION ELEMENTS
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