GE L90 Instruction Manual page 373

5 SETTINGS
tion elements, breaker failure, and close and trip commands. A six-cycle time delay applies after the selected Flex-
Logic™ operand resets.
• BRK FLSHOVR PKP DELAY: This setting specifies the time delay to operate after a pickup condition is detected.
SETTING
BREAKER FLASHOVER
FUNCTION:
Enable=1
AND
Block: OFF=0
SETTINGS
BRK 1 FLSHOVR SIDE 1
SRC:
SRC 1, SRC 2, ... , SRC 6
VA
VB
VC
IA
IB
IC
SETTINGS
BRK 1 FLSHOVR SIDE 2
SRC:
SRC 1 SRC 2 SRC 6
, , ... , , none
Va
VA = | VA - Va |
Vb
Vc
d) CONTINUOUS MONITOR
PATH: SETTINGS CONTROL ELEMENTS
CONTINUOUS MONITOR
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
MESSAGE
GE Multilin
SETTINGS
BRK 1 FLSHOVR SUPV A:
0
FlexLogic operand: Off=0
6 cycle
Phase B
BRK 1 FLSHOVR SUPV B:
logic
FlexLogic operand: Off=0
Phase C
BRK 1 FLSHOVR SUPV C:
logic
FlexLogic operand: Off=0
SETTING
BRK 1 FLSHOVR V PKP:
RUN
VA > PKP
0
OR
5 cycle
Va > PKP
SETTINGS
5 cycle
BRK 1 STATUS CLSD A:
0
RUN
FlexLogic operand: On=1
BRK 1 STATUS CLSD B:
Phase B
logic
RUN
FlexLogic operand: On=1
BRK 1 STATUS CLSD C:
Phase C
logic
RUN
FlexLogic operand: On=1
SETTING
BRK 1 FLSHOVR AMP PKP:
RUN
IA > PKP
SETTING
BRK 1 FLSHOVR DIFF V
PKP:
RUN
VA > PKP
Figure 5–131: BREAKER FLASHOVER SCHEME LOGIC
MONITORING ELEMENTS
CONT MONITOR
FUNCTION: Disabled
CONT MONITOR I-OP:
Off
CONT MONITOR I-SUPV:
Off
CONT MONITOR V-OP:
Off
CONT MONITOR V-SUPV:
Off
CONT MONITOR
TARGET: Self-reset
CONT MONITOR
EVENTS: Disabled
L90 Line Current Differential System
FLEXLOGIC OPERANDS
BRK 1 FLSHOVR PKP A
BRK 1 FLSHOVR PKP B
BRK 1 FLSHOVR PKP C
FLEXLOGIC OPERANDS
BRK 1 FLSHOVR DPO A
BRK 1 FLSHOVR DPO B
AND
BRK 1 FLSHOVR DPO C
SET
dominant
Phase C logic
Phase B logic
RESET
OR
SET
SETTING
dominant
BRK 1 FLSHOVR PKP
DELAY:
t
PKP
Phase B logic
RESET
OR Phase C logic
AND
CONTINUOUS MONITOR
Range: Disabled, Enabled
Range: FlexLogic™ operand
Any Current Element(s) OP
Range: FlexLogic™ operand
To supervise current logic, use 50DD OP
Range: FlexLogic™ operand
Any Voltage Element(s) OP
Range: FlexLogic™ operand. To supervise voltage logic,
use VT FUSE FAIL OP
Range: Self-reset, Latched, Disabled
Range: Disabled, Enabled
5.7 CONTROL ELEMENTS
FLEXLOGIC OPERANDS
OR BRK 1 FLSHOVR PKP
BRK 1 FLSHOVR DPO
FLEXLOGIC OPERANDS
0 BRK 1 FLSHOVR OP A
FLEXLOGIC OPERAND
BRK 1 FLSHOVR OP B OR BRK 1 FLSHOVR OP
BRK 1 FLSHOVR OP C
842018A2.CDR
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