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7.1 RATINGS
CURRENT SUPERVISION FUNCTION
Function
Range A
I
= 5 A
n
IPT
0.50 to 5.00
IPB
0.25 to 3.75
IT
0.20 to 4.00
IB
0.20 to 4.00
OVERCURRENT BACKUP
Function
Range A
I
= 5 A
n
50
2.0 to 160.0
50G
0.5 to 80.0
51G
0.2 to 15.0
TOC TIME DIAL
Range:
Steps:
LINE PICKUP
Function
Range A
I
= 5 A
n
I1
1.0 to 15.0
REMOTE OPEN DETECTOR
Range:
Step:
LINE OVERLOAD
Overcurrent Settings:
7
Function
I
= 5 A
n
Level 1 PU
2.5 to 20.0
Level 2 PU
5.0 to 40.0
Overload Settings:
LV1 timer LEVEL1TDLY
Range:
Resolution
LV2 timer LEVEL2TDLY
Range:
Resolution
COMPENSATION FACTOR
Range:
Resolution:
Note: K0 compensation for Zone 1 ground distance is a
seperate setting the same range and resolution as above.
7-
2
Resolution A
I
= 1 A
I
= 5 A
I
= 1A
n
n
n
0.10 to 1.00
0.01
0.01
0.05 to 0.75
0.01
0.01
0.20 to 4.00
0.01
0.01
0.20 to 4.00
0.01
0.01
Resolution A
I
= 1 A
I
= 5 A
I
= 1A
n
n
n
0.4 to 32.0
0.1
0.1
0.1 to 16.0
0.1
0.1
0.04 to 3.0
0.01
0.01
0.5 to 10 times pickup setting
0.1
Resolution A
I
= 1 A
I
= 5 A
I
= 1A
n
n
n
0.2 to 3.0
0.1
0.1
10 to 100 ms
1 ms
Range A
Resolution A
I
= 1 A
I
= 5 A
I
n
n
n
0.5 to 4.0
0.1
1.0 to 8.0
0.1
10 to 99 seconds
0.01 sec.
10 to 99 seconds
0.01 sec.
1.0 to 7.0
0.01
LPS-D Line Protection System
PROTECTION SCHEME LOGIC TIMERS
Timer
Description
TL1PICKUP
Trip integrator
Z2P_TIME
Zone 2 timer
Z2G_TIME
Z3P_TIME
Zone 3 timer
Z3G_TIME
Z4P_TIME
Zone 4 timer
Z4G_TIME
TL4
POTT/PUTT
coordination
(TL5)
TL5PICKUP
coordination for
TL5DRPOUT
Breaker 1 (pickup
& dropout timers)
(TL6)
TL6PICKUP
coordination for
TL6DRPOUT
Breaker 2 (pickup
& dropout timers)
(TL16)
Weak infeed trip
TL16PICKUP
(TL24)
GDOC Blocking
7/'523287
(TL25)
Distance Blocking
7/'523287
(TL26)
Repeat Delay
TL26PICKUP
SYSTEM CONFIGURATION
Communications baud rate:300, 1200, 2400, 4800, 9600,
Number of breakers:
CT Ratios:
PT Ratios:
Distance Units:
= 1A
ACCURACIES
0.1
Distance measuring units: Reach: ±5% of setting at angle
0.1
Zone Timers:
Fault Locator:
RMS Values:
Watts and Vars:
Data Sample time tag
resolution:
7 SPECIFICATIONS
Range
Resolution
1 to 50 ms
pickup
0.1 to 3.0 s
0.1 to 10.0 s
0.1 to 10.0 s
0.1 to 50 s
b contact
0 to 200 ms
b contact
0 to 200 ms
8 to 99 ms
pickup
30 to 500 ms
Timer
30 to 500 ms
Timer
0 to 50 ms
Timer
19200
1 to 2
1 to 5000
1 to 7000
Miles or Kilometers
of maximum reach and rated
current
±2 ms
±3% (typical)
±1% of reading
±3% of full-scale from 1A to
MAX rated current
±1 ms
GE Power Management
1 ms
0.01 s
0.01 s
0.01 s
0.01 s
1 ms
1 ms
1 ms
1 ms
1 ms
1 ms
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