Schweitzer Engineering Laboratories, Inc. SEL-487E Data Sheet
33
Phase Current Angle
All Models: ±0.2° in the current range (0.5–3.0) • I
NOM
Sequence Current Magnitude
5 A Model: ±0.3% plus ±4 mA (0.5–100 A s)
1 A Model: ±0.3% plus ±0.8 mA (0.1–20 A s)
Sequence Current Angle
All Models: ±0.3°
Voltages
Phase and Phase-to-Phase
Voltage Magnitude:
±2.5% ±1 V (5–33.5 V)
±0.1% (33.5–300 V)
Phase and Phase-to-Phase
Angle:
±1.0° (5–33.5 V)
±0.5° (33.5–300 V)
Sequence Voltage Magnitude
(V1, V2, 3V0):
±2.5%, ±1 V (5–33.5 V)
±0.1% (33.5–300 V)
Sequence Voltage Angle
(V1, V2, 3V0):
±1.0° (5–33.5 V)
±0.5° (33.5–300 V)
Power
MW (P), Per Phase (Wye), 3 (Wye or Delta) Per Terminal
±1% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (1)
±0.7% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (3)
MVAr (Q), Per Phase (Wye), 3 (Wye or Delta) Per Terminal
±1% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 0, 0.5 lead, lag (1)
±0.7% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 0, 0.5 lead, lag (3)
MVA (S), Per Phase (Wye), 3 (Wye or Delta) Per Terminal
±1% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (1)
±0.7% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (3)
PF, Per Phase (Wye), 3 (Wye or Delta) Per Terminal
±1% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (1)
±0.7% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (3)
Energy
MWh (P), Per Phase (Wye), 3 (Wye or Delta)
±1% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (1)
±0.7% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 1, 0.5 lead, lag (3)
MVARh (Q), Per Phase (Wye), 3 (Wye or Delta)
±1% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 0, 0.5 lead, lag (1)
±0.7% (0.1–1.2) • I
NOM
, 33.5–300 Vac, PF = 0, 0.5 lead, lag (3)
Demand/Peak Demand Metering
Time Constants: 5, 10, 15, 30, and 60 minutes
IA, IB, and IC per Terminal: ±0.2% ±0.0008 • I
NOM
,
(0.1–1.2) • I
NOM
3I2 per Terminal
3I0 (IG) per Terminal (Wye-
Connected Only):
±0.3% ±0.0008 • I
NOM
,
(0.1–20) • I
NOM
Optional RTD Elements
(Models Compatible With SEL-2600 Series RTD Module)
12 RTD inputs via SEL-2600 Series RTD Module and SEL-2800 Fiber-
Optic Transceiver
Monitor Ambient or Other Temperatures
PT 100, NI 100, NI 120, and CU 10 RTD-Types Supported, Field
Selectable
As long as 500 m Fiber-Optic Cable to SEL-2600 Series RTD Module
Synchrophasor
Number of Synchrophasor
Data Streams: 5
Number of Synchrophasors for Each Stream:
24 Phase Synchrophasors (6 Voltage and 18 Currents)
8 Positive-Sequence Synchrophasors (2 Voltage and 6 currents)
Number of User Analogs for
Each Stream: 16
Number of User Digitals for
Each Stream: 64
Synchrophasor Protocol: IEEE C37.118-2005,
SEL Fast Message (Legacy)
Synchrophasor Data Rate: As many as 60 messages per second
Synchrophasor Accuracy
Voltage Accuracy: ±1% Total Vector Error (TVE)
Range 30–150 V, f
NOM
±5 Hz
Current Accuracy: ±1% Total Vector Error (TVE)
Range (0.1–2.0) • I
NOM
A, f
NOM
±5 Hz
Current Accuracy: ±1% Total Vector Error (TVE)
Range (0.1–2.0) • I
NOM
A, f
NOM
±5 Hz
Synchrophasor Data
Recording:
Records as much as 120 s
IEEE C37.232-2011, File Naming
Convention
Breaker Monitoring
Running Total of Interrupted
Current (kA) per Pole: ±5% ±0.02 • I
NOM
Percent kA Interrupted for
Trip Operations: ±5%
Percent Breaker Wear per
Pole: ±5%
Compressor/Motor Start and
Run Time: ±1 s
Time Since Last Operation: ±1 day