Breaker Failure (Ansi 50Bf) - GE F60 Instruction Manual

CHAPTER 5: SETTINGS

5.7.9 Breaker failure (ANSI 50BF)

SETTINGS  GROUPED ELEMENTS  SETTING GROUP 1(6)  BREAKER FAILURE  BREAKER FAILURE 1(4)
 BREAKER FAILURE 1

F60 FEEDER PROTECTION SYSTEM – INSTRUCTION MANUAL
Figure 5-133: Negative-sequence directional OC1 logic
BF1 FUNCTION:

Disabled
BF1 MODE:

3-Pole
BF1 SOURCE:

SRC 1
BF1 USE AMP SUPV:

Yes
BF1 USE SEAL-IN:

Yes
BF1 3-POLE INITIATE:

Off
BF1 BLOCK:

Off
BF1 RETRIP PICKUP

DELAY: 0.033 s
BF1 PH AMP SUPV

PICKUP: 1.050 pu
BF1 N AMP SUPV

PICKUP: 1.050 pu
BF1 USE TIMER 1:

Yes
GROUPED ELEMENTS
Range: Disabled, Enabled
Range: 3-Pole, 1-Pole
Range: SRC 1, SRC 2, SRC 3, SRC 4
Range: Yes, No
Range: Yes, No
Range: FlexLogic operand
Range: FlexLogic operand
Range: 0.000 to 65.535 s in steps of 0.001
Range: 0.020 to 30.000 pu in steps of 0.001
Range: 0.020 to 30.000 pu in steps of 0.001
Range: Yes, No
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