GE F60 UR Series Instruction Manual page 315

5 SETTINGS
SETTING
HI-Z FUNCTION:
Disabled=0
Enabled=1
HI-Z MODULE
EVEN, ODD AND
NON HARMONICS
CT
SATURATION
DETECTOR
(Selects
SETTING the
source
of
HI-Z SOURCE:
harmonic
signals)
EVEN, ODD AND
NON HARMONICS
A RMS
B RMS
C RMS
G RMS
VA RMS
VB RMS
VC RMS
GE Multilin
SETTING
HI-Z ARCING SENSITIVITY:
RUN
ENERGY ALGORITHM
RUN
PH A
PH B
PH C
GND
RANDOMNESS ALGORITHM
RUN
PH A
PH B
PH C
GND
LOAD EVENT DETECTOR ALGORITHM
SETTING
HI-Z 3-PHASE EVENT
THRESHOLD:
RUN
A > Threshold
B > Threshold AND
C > Threshold
SETTING
HI-Z PHASE RATE OF
CHANGE:
HI-Z NEUTRAL RATE OF
CHANGE:
RUN
A > Threshold
B > Threshold
OR
C > Threshold
G > Threshold
SETTING
HI-Z PHASE OC MIN
PICKUP:
HI-Z NEUTRAL OC MIN
PICKUP:
RUN
A > PKP
B > PKP
OR
C > PKP
G > PKP
SETTING
HI-Z LOSS OF LOAD
THRESHOLD:
RUN
A% > Threshold
B% > Threshold OR
C% > Threshold
EVEN HARM RESTR. ALG.
SETTING
HI-Z EVEN HARMONIC
RESTRAINT:
RUN
A EVEN % > PKP > 0
B EVEN % > PKP > 0 OR
C EVEN % > PKP > 0
VOLTAGE SUPERVISION ALG.
SETTING
HI-Z VOLTAGE SUPV
THRESHOLD:
RUN
VA % > PKP
VB % > PKP OR
VC % > PKP
Figure 5–97: HI-Z SCHEME LOGIC
F60 Feeder Protection System
SETTINGS
HI-Z PHASE EVENT
COUNT:
HI-Z GROUND EVENT
COUNT:
HI-Z EVENT COUNT
TIME:
COUNT PH A > PH COUNT
in COUNT TIME
COUNT PH B > PH COUNT
in COUNT TIME
COUNT PH C > PH COUNT
in COUNT TIME
COUNT G > GND COUNT
in COUNT TIME
SETTINGS
HI-Z OC PROTECTION
COORD TIMEOUT:
INDIRECT SETTING
EAD COUNT LIMIT:
INDIRECT SETTING
EAD THRESHOLD:
EXPERT ARC DETECTOR
HIGH EADs (A) > LIMIT
Arcing Confidence Ph A
Arcing Confidence Ph B HIGH EADs (B) > LIMIT
Arcing Confidence Ph C HIGH EADs (C) > LIMIT
HIGH EADs (G) > LIMIT
Arcing Confidence G
Zero Confidence Level
Any CL > EAD Thresh.
G
FROM
SOURCE G-FFT
OR
FLEXLOGIC OPERANDS
HI-Z IOC-A
HI-Z IOC-B
HI-Z IOC-C
HI-Z IOC-N
LATCH O/C
AND
VALUES
FLEXLOGIC OPERAND
HI-Z LOSS OF LOAD
LATCH LOL
AND
VALUES
LOAD ANALYSIS ALG.
RUN
LOAD ANALYSIS IN
NORMAL STATE
0
1 sec
SETTING
HI-Z VOLTAGE SUPV
DELAY:
0
5.6 CONTROL ELEMENTS
FLEXLOGIC OPERANDS
HI-Z ARC SUSPECTED-A
HI-Z ARC SUSPECTED-B
HI-Z ARC SUSPECTED-C
HI-Z ARC SUSPECTED-N
HI-Z ARC SUSPECTED
LOAD ANALYSIS ALGORITHM
FLEXLOGIC OPERANDS
HI-Z ARC DETECTED
HI-Z ARC DETECTED-A
HI-Z ARC DETECTED-B
PHASE
HI-Z ARC DETECTED-C
SELECTION
LOGIC AND HI-Z ARC DETECTED-N
ARC ALARM
HI-Z DOWNED COND
VS. DOWNED
HI-Z DOWNED COND-A
CONDUCTOR
HI-Z DOWNED COND-B
DISCRIMINATOR
HI-Z DOWNED COND-C
HI-Z DOWNED COND-N
827838A8.CDR
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