GE ALPS - Page 202

7-2 ALPS Advanced Line Protection System
GE Power Management
7.1 ALPS SPECIFICATIONS 7 SPECIFICATIONS
7
OVERCURRENT BACKUP
TOC TIME DIAL
Ran
g
e: 0.5 to 10 times pickup settin
g
Steps: 0.1
LINE PICKUP
REMOTE OPEN DETECTOR
Ran
g
e: 10 to 100 ms
Step: 1 ms
LINE OVERLOAD
Overcurrent Settin
g
s:
Overload Settin
g
s:
LV1 timer LEVEL1TDLY
Ran
g
e: 10 to 99 seconds
Resolution 0.01 sec.
LV2 timer LEVEL2TDLY
Ran
g
e: 10 to 99 seconds
Resolution 0.01 sec.
COMPENSATION FACTOR
Ran
g
e: 1.0 to 7.0
Resolution: 0.01
PROTECTION SCHEME LOGIC TIMERS
SYSTEM CONFIGURATION
Communications baud rate:300, 1200, 2400, 4800, 9600,
Number of breakers: 1 to 2
CT Ratios: 1 to 5000
PT Ratios: 1 to 7000
Distance Units: Miles or Kilometers
ACCURACIES
Distance measurin
g
units:Reach: ±5% of settin
g
at an
g
le of maxi-
mum reach and rated current
Zone Timers: ±2 ms
Fault Locator: ±3% (typical)
RMS Values: ±1% of ratin
g
(< 2 × CT)
Watts and Vars: ±3% of full-scale from 1A to MAX rated
current
Data Sample time ta
g
resolution: ±1 ms
DIMENSIONS AND WEIGHT
Hei
g
ht: 5.31" (135 mm)
3 standard rack-units
Width: 19.00" with ears (3 standard rack-units)
16.90" without ears (430 mm)
Depth: 13.63" (347 mm)
Wei
g
ht: The standard rack-mounted unit wei
g
hs
23 pounds.
SPECIFICATONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
FUNCTION RANGE
Α
RESOLUTION
Α
In = 5 A In = 1 A In = 5 A In = 1A
50 2.0 to 160.0 0.4 to 32.0 0.1 0.1
50G 0.5 to 80.0 0.1 to 16.0 0.1 0.1
51G 0.2 to 15.0 0.04 to 3.0 0.01 0.01
FUNCTION RANGE
Α
RESOLUTION
Α
I
n
= 5 A
I
n
= 1 A
I
n
= 5 A
I
n
= 1A
I1 1.0 to 15.0 0.2 to 3.0 0.1 0.1
FUNCTION RANGE
Α
RESOLUTION
Α
I
n
= 5 A
I
n
= 1 A
I
n
= 5 A
I
n
= 1A
Level 1 PU 2.5 to 20.0 0.5 to 4.0 0.1 0.1
Level 2 PU 5.0 to 40.0 1.0 to 8.0 0.1 0.1
TIMER DESCRIPTION RANGE RESOLUTION
TL1PICKUP Trip integrator
pickup
1 to 50 ms 1 ms
Z2P_TIME
Z2G_TIME
Zone 2 timer 0.1 to 3.0 s 0.01 s
Z3P_TIME
Z3G_TIME
Zone 3 timer 0.1 to 10.0 s 0.01 s
Z4P_TIME
Z4G_TIME
Zone 4 timer 0.1 to 10.0 s 0.01 s
TL4 POTT/PUTT
coordination
0.1 to 50 s 0.01 s
(TL5)
TL5PICKUP
TL5DRPOUT
b
contact
coordination for
Breaker 1 (pickup
& dropout timers)
0 to 200 ms 1 ms
(TL6)
TL6PICKUP
TL6DRPOUT
b
contact
coordination for
Breaker 2 (pickup
& dropout timers)
0 to 200 ms 1 ms
(TL16)
TL16PICKUP
Weak infeed trip
pickup
8 to 99 ms 1 ms
(TL24)
TL24DROPOUT
GDOC Blocking
Timer
30 to 500 ms 1 ms
(TL25)
TL25DROPOUT
Distance
Blocking Timer
30 to 500 ms 1 ms
(TL26)
TL26PICKUP
Repeat Delay
Timer
0 to 50 ms 1 ms