Sel 411L - Page 58

P.1.16
SEL-411L Relay Protection Manual Date Code 20151029
Introduction and Specifications
Specifications
Power Supply Immunity: IEC 61000-4-11:2004
IEC 60255-11:2008
IEC 61000-4-29:2000
Radiated
Electromagnetic Field
Immunity:
IEC 60255-22-3:2007
IEC 61000-4-3:2010 10 V/m
IEEE C37.90.2-2004, 35 V/m
Surge Immunity: IEC 60255-22-5:2008,
0.5, 1.0, 2.0 kV line-to-earth
0.5, 1.0 kV line-to-line
IEC 61000-4-5:2005
0.5, 1.0 kV line-to-line
0.5, 1.0, 2.0 kV line-to-earth
0.5, 1.0 kV comm. ports
Surge Withstand: IEC 60255-22-1:2007,
2.5 kV peak common mode
1.0 kV peak differential mode
IEEE C37.90.1-2002,
2.5 kV oscillatory
4.0 kV fast transient
Environmental
Cold: IEC 60068-2-1:2007
Test Ad: 16 hours at –40C
Dry Heat: IEC 60068-2-2:2007
Test Bd: Dry heat, 16 hours at +85C
Damp Heat, Cyclic: IEC 60068-2-30:2005,
Test Db: 25° to 55°C, 6 cycles (12 +
12-hour cycle), 95% humidity
Object Penetration: IEC 60529:2001, IP30
Vibration Resistance: IEC 60255-21-1:1988
Class 1 Endurance, Class 2 Response
Shock Resistance: IEC 60255-21-2:1988
Class 1 Shock Withstand, Bump
Withstand, and Class 2 Shock
Response
Seismic: IEC 60255-21-3:1993
Class 2 Quake Response
Safety
Dielectric Strength: IEC 60255-5:2000,
IEEE C37.90-2005,
2500 Vac on control inputs, control
outputs, and analog inputs for
1 minute
3100 Vdc on power supply for
1 minute
Impulse: IEC 60255-5:2000, 0.5 J, 5 kV
IEEE C37.90-2005
Power LED Safety
(optional Ethernet
card): ANSI Z136.1-2007, Class 1
Reporting Functions
Traveling Wave Fault Location
Application: Two terminal lines with high-accuracy
time sources
Type: Type D (double-ended)
Sampling Rate: 1.5625 MHz
Accuracy: ±25 meters for a step change in current
applied simultaneously to both relays.
Output Format: Binary COMTRADE
High-Resolution Data
Rate: 8000 samples/second
4000 samples/second
2000 samples/second
1000 samples/second
Output Format: Binary COMTRADE
Note: Per IEEE Standard Common Format for Transient Data
Exchange (COMTRADE) for Power Systems, IEEE
C37.111–1999
Event Reports
Storage: 35 quarter-second events or
24 half-second events
Maximum Duration: Five records of 24 seconds each of
4000 samples/second
Resolution: 8- or 4-samples/cycle
Event Summary
Storage: 100 summaries
Breaker History
Storage: 128 histories
Sequential Events Recorder
Storage: 1000 entries
Trigger Elements: 250 relay elements
Resolution: 0.5 ms for contact inputs
1/8 cycle for all elements
Processing Specifications
AC Voltage and Current Inputs
8000 samples per second, 3 dB low-pass analog filter cut-off
frequency of 3000 Hz.
Digital Filtering
Full-cycle cosine and half-cycle Fourier filters after low-pass
analog and digital filtering.
Protection and Control Processing
8 times per power system cycle
Synchrophasors
Maximum data rate in messages per second
IEEE C37.118 protocol: 60 (nominal 60 Hz system)
50 (nominal 50 Hz system)
SEL Fast Message
protocol:
20 (nominal 60 Hz system)
10 (nominal 50 Hz system)
Control Points
32 remote bits
32 local control bits
32 latch bits in protection logic
32 latch bits in automation logic
Relay Element Pickup Ranges and Accuracies
Line Current Differential (87L) Elements
87L Enable Levels
Unrestraint Differential
Element Setting Range: OFF, 3.0 to 15 per unit, 0.1 pu steps
Phase Setting Range
(normal): OFF, 0.10 to 2 per unit, 0.01 pu steps
Phase Setting Range
(secure): OFF, 0.10 to 2 per unit, 0.01 pu steps