Schweitzer Engineering Laboratories, Inc. SEL-411L Data Sheet
41
Setting Range
DC Settings: 1 Vdc steps (OFF, 15–300 Vdc)
AC Ripple Setting: 1 Vac steps (1–300 Vac)
Pickup Accuracy: ± 3% ± 2 Vdc (all elements except ac ripple)
± 10% ± 2 Vac (ac ripple element)
Metering Accuracy
All metering accuracy is at 20°C, and nominal frequency unless
otherwise noted.
Currents
Phase Current Magnitude
5 A Model: ± 0.2% plus ± 4 mA (2.5–15 A s)
1 A Model: ± 0.2% plus ± 0.8 mA (0.5–3 A s)
Phase Current Angle
All Models: ±0.2° in the current range 0.5 • I
NOM
to 3.0
• I
NOM
Sequence Currents Magnitude
5 A Model: ± 0.3% plus ± 4 mA (2.5–15 A s)
1 A Model: ± 0.3% plus ± 0.8 mA (0.5–3 A s)
Sequence Current Angle
All Models: ± 0.3° in the current range 0.5 • I
NOM
to 3.0
• I
NOM
Voltages
Phase and Phase-to-Phase
Voltage Magnitude: ± 0.1% (33.5–200 V
L-N
)
Phase and Phase-to-Phase
Angle: ± 0.5° (33.5–200 V
L-N
)
Sequence Voltage
Magnitude: ± 0.15% (33.5–200 V
L-N
)
Sequence Voltage Angle: ± 0.5° (33.5–200 V
L-N
)
Frequency (Input 40—65 Hz)
Accuracy: ± 0.01 Hz
Power and Energy
Real Power, P (MW), Three Phase
At 0.1 • I
NOM
Power Factor Unity: ± 0.4%
Power Factor 0.5 Lag,
0.5 Lead: ± 0.7%
At 1.0 • I
NOM
Power Factor Unity: ± 0.4%
Power Factor 0.5 Lag,
0.5 Lead: ± 0.4%
Reactive Power, Q (MVAR), Three Phase
At 0.1 • I
NOM
Power Factor 0.5 Lag,
0.5 Lead: ± 0.5%
At 1.0 • I
NOM
Power Factor 0.5 Lag,
0.5 Lead: ± 0.4%
Energy (MWh), Three Phase
At 0.1 • I
NOM
Power Factor Unity: ± 0.5%
Power Factor 0.5 Lag,
0.5 Lead: ± 0.7%
At 1.0 • I
NOM
Power Factor Unity: ± 0.4%
Power Factor 0.5 Lag,
0.5 Lead: ± 0.4%
Synchrophasors
Synchrophasor
Measurement:
IEC/IEEE 60255-118-1:2018 (IEEE Std.
C37.118.1:2011, 2014a)
Synchrophasor Data
Transfer: IEEE Std. C37.118.2:2011
Number of Synchrophasor
Data Streams: 5
Number of Synchrophasors
for Each Stream:
15 phase synchrophasors
(6 voltage and 9 currents)
5 positive-sequence synchrophasors
(2 voltage and 3 currents)
Number of User Analogs
for Each Stream: 16 (any analog quantity)
Number of User Digitals for
Each Stream: 64 (any Relay Word bit)
Synchrophasor Data Rate: As many as 60 messages per second (60 Hz)
As many as 50 messages per second (50 Hz)
Synchrophasor Accuracy: Class P/M
Synchrophasor Data
Recording:
Records as much as 120 s
IEEE C37.232-2011 File Naming
Convention
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