GE Power Management LPS-O Line Protection System 7-
1
7 SPECIFICATIONS 7.1 LPS-O SPECIFICATIONS
7
7 SPECIFICATIONS 7.1 LPS-O SPECIFICATIONS 7.1.1 DESCRIPTION
ELECTRICAL RATINGS
Rated Frequency: 50 to 60 Hz
Rated Voltage: 100 to 120 V AC
Rated Current
I
n
: 1 A or 5 A
DC Control Voltage,
operating range:
48 V DC 38.5 to 60 V DC
110/125 V DC 88 to 150 V DC
220/250 V DC 176 to 300 V DC
Maximum Permissible
AC voltage:
Continuous 138 V AC (ph-n)
1 minute 208 V AC (ph-n)
Maximum Permissible
current:
Continuous 3 x
I
n
3 seconds 50 x
I
n
1 second 100 x
I
n
Sample Rate: 64 per cycle
Hi-Pot (DC Test): ANSI C37.90
IEC 255-5
Surge Withstand
Capability: ANSI C37.90.1
IEC 255-22-1
Impulse Voltage Withstand
Fast Transient: 5 kV peak, 1.2/50 ms, 0.5 J
ANSI C37.90.1
IEC255-4
Radio Frequency
Interference Withstand: ANSI C37.90.1
IEC 255-22-1
Electrostatic Discharge: IEC255-22-2
Humidity: 95% without condensation
Ambient Temperature
Range
Storage: –30°C to 75°C
Operation: –20°C to 65°C
BURDEN RATINGS
Current Circuit:
I
n
= 1 A: 0.12 Ω @ 30°
I
n
= 5 A: 0.022 Ω @ 5°
Voltage Circuit: 0.15 VA @ 60 Hz
0.20 VA @ 50 Hz
DC Battery
(contact converters): 2.5 mA at rated DC input
(power supply): < 20 W
Trip Circuit Motor: 150 mA for current-flow sensor
CONTACT RATINGS
Trip Outputs (T1 to T6)
Continuous Rating: 5A
Make and Carry: 30 A (per ANSI C 37.90)
Interrupting: 25 VA
Pickup: < 4 ms
SCR Outputs: same as Trip Outputs
Auxiliary Outputs
(A1 to A12, C1, C2)
Continuous Rating: 5A
Make and Carry: 30 A (per ANSI C 37.90)
Interrupting: 25 VA
Pickup: < 8 ms
High Speed (KT1 to KT4)
Continuous Rating: 5A
Make and Carry: 30 A (per ANSI C 37.90)
Interrupting: 25 VA
Pickup: < 8 ms
Contact Converter Inputs: 38.5 to 300 V DC
PROTECTION SCHEME SELECTION
Protection Schemes: Step Distance
Programmable Logic
Directional Control: Forward or Reverse
Time Synchronization: by demodulated IRIG-B signal
(5 V DC)
Out-of-Step Blocking
Reach: The reach of MOB is that of the
zone it is coordinated with:
Zone 2 or Zone 3.
Characteristic Angle: 30° to 130°
REACH SETTINGS
M1 (Zone 1 Phase Reach)
Range:
I
n
= 1 A: 0.05 to 250 Ω
I
n
= 5 A: 0.01 to 50 Ω
Resolution:
I
n
= 1A: 0.01 Ω
I
n
= 5 A: 0.01 Ω
MT (Zone 2 Phase Reach)
Range:
I
n
= 1 A: 0.05 to 250 Ω
I
n
= 5 A: 0.01 to 50 Ω
Resolution:
I
n
= 1A: 0.01 Ω
I
n
= 5 A: 0.01 Ω
M3 (Zone 3 Phase Reach)
Range:
I
n
= 1 A: 0.05 to 250 Ω
I
n
= 5 A: 0.01 to 50 Ω
Resolution:
I
n
= 1A: 0.01 Ω
I
n
= 5 A: 0.01 Ω
M4 (Zone 4 Phase Reach)
Range:
I
n
= 1 A: 0.05 to 250 Ω
I
n
= 5 A: 0.01 to 50 Ω
Resolution:
I
n
= 1A: 0.01 Ω
I
n
= 5 A: 0.01 Ω