Sel SEL-487E-3 - Metering Accuracy

SEL-487E-3, -4 Data Sheet Schweitzer Engineering Laboratories, Inc.
32
Volts/Hertz Elements (24)
Definite-Time Element
Pickup Range: 100–200% steady state
Pickup Accuracy, Steady-
State: ±1% of set point
Maximum Pickup/Dropout
Time: 1.5 cycles
Time-Delay Range: 0.0–400.00 s
Time-Delay Accuracy: ±0.1% ±4.2 ms @ 60 Hz
Reset Time-Delay Range: 0.00–400.00 s
User-Definable Curve Element
Pickup Range: 100–200%
Pickup Accuracy: ±1% of set point
Reset Time-Delay Range: 0.00–400.00 s
Breaker-Failure Instantaneous Overcurrent
Setting Range
5 A Nominal: 0.50–50 A, 0.01-A steps
1 A Nominal: 0.10–10.0 A, 0.01-A steps
Accuracy
5 A Nominal: ±0.05 A, ±3% of setting
1 A Nominal: ±0.01 A, ±3% of setting
Transient Overreach
5 A Nominal: ±5%, ±0.10 A
1 A Nominal: ±5%, ±0.02 A
Maximum Pickup Time: 1.5 cycles
Maximum Dropout Time: less than 1 cycle
Maximum Reset Time: less than 1 cycle
Timers
Setting Range: 0–6000 cycles, 0.125-cycle steps
Time-Delay Accuracy: ±0.1% of setting ±0.125 cycle
Directional Overpower/Underpower Element
Operating Quantities: OFF, 3PmF, 3QmF,3PqpF, 3QqpF
(m = S, T, U, W, X, Y
qp = ST, TU, UW, WX)
Pickup Range: –20000.00 VA (secondary) to 20000.00
VA (secondary, 0.01 steps)
Pickup range cannot fall within  I
NOM
Pickup Accuracy: ±3% of setting and ±5 VA, power factor
>±0.5 at nominal frequency
Time-Delay Range: 0.000–16,000 cycles, 0.25-cycle increment
Time-Delay Accuracy: ±0.1% of setting ±0.25 cycle
Bay Control
Breakers: 6 maximum
Disconnects (Isolators): 20 maximum
Timers
Setting Range: 1–99999 cycles, 1-cycle steps
Time-Delay Accuracy: ±0.1% of setting ±0.25 cycle
Station DC Battery System Monitor Specifications
Rated Voltage: 24–250 Vdc
Operational Voltage Range: 0–350 Vdc
Input Sampling Rate: 2 kHz
Processing Rate: 1/8 cycle
Operating Time: 1.5 seconds (element dc ripple)
1.5 cycles (all elements but dc ripple)
Setting Range
DC Settings: 1 Vdc Steps (OFF, 15–300 Vdc)
AC Ripple Setting: 1 Vac Steps (1–300 Vac)
Pickup Accuracy: ±10% ±2 Vdc (dc ripple)
±3% ±2 Vdc (all elements but dc ripple)
Metering Accuracy
All metering accuracies are based on an ambient temperature of 20°C
and nominal frequency.
Absolute Phase-Angle Accuracy
IA, IB, and IC per
Terminal: ±0.5° (both 1 and 5 A)
VA, VB, and VC Per
Terminal: ±0.125°
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 (0.5–3.0 A sec)
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
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)
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)