GE L90

5-388 L90 LINE CURRENT DIFFERENTIAL SYSTEM – INSTRUCTION MANUAL
CONTROL ELEMENTS CHAPTER 5: SETTINGS
5
Figure 5-220: Hybrid POTT scheme logic
5.8.12.7 Directional comparison blocking
SETTINGS  CONTROL ELEMENTS  PILOT SCHEMES  BLOCKING SCHEME
 BLOCKING SCHEME


BLOCKING SCHEME
FUNCTION: Disabled
Range: Disabled, Enabled

BLOCK SCHEME BLOCK:
Off
Range: FlexLogic operand

BLOCK RX CO-ORD PKP
DELAY: 0.010 s
Range: 0.000 to 65.535 s in steps of 0.001