Sel SEL-451-5, Руководство пользователя

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Schweitzer Engineering Laboratories, Inc. SEL-451 Data Sheet
31
Maximum Operating Time:

1.5 cycles
Setting Range
DC Settings: 15–300 Vdc, 1 Vdc steps
AC Ripple Setting: 1–300 Vac, 1 Vac steps
Accuracy
Pickup Accuracy: ±3% plus ±2 Vdc (all elements but
DC1RP and DC2RP)
±10% plus ±2 Vac (DC1RP and DC2RP)
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 sec)
1 A Model: ±0.2% plus ± 0.8 mA (0.5–3 A sec)
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 sec)
1 A Model: ±0.3% plus ± 0.8 mA (0.5–3 A sec)
Sequence Current Angle
All Models: ±0.3° in the current range 0.5 • I
NOM
to
3.0 • I
NOM
Voltages
300 V Maximum Inputs
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)
8 V LEA Maximum Inputs
Phase and Phase-to-Phase
Voltage Magnitude:
±0.3% (0.2–0.6 V)
±0.1% (0.6–8.0 V)
Phase and Phase-to-Phase
Angle: ±0.5° (0.2–8.00 V)
Sequence Voltage Magnitude
(V1, V2, 3V0):
±0.3% (0.2–0.6 V)
±0.1% (0.6–8.0 V)
Sequence Voltage Angle
(V1, V2, 3V0): ±0.5° (0.2–8.00 V)
Frequency (Input 40–65 Hz)
Accuracy: ±0.01 Hz
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

)
Synchrophasors
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 Protocol: IEEE C37.118,
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
Synchrophasor Data
Recording:
Records as much as 120 s
IEEE C37.232, File Naming Convention