Schweitzer Engineering Laboratories SEL-700G Series, Инструкция по эксплуатации

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1.16
SEL-700G Relay Instruction Manual Date Code 20170814
Introduction and Specifications
Specifications
Harmonics
Pickup Range (% of
fundamental): 5–100%
Pickup Accuracy (A secondary):
5 A Model: ±5% plus ±0.10 A of harmonic current
1 A Model: ±5% plus ±0.02 A of harmonic current
Time Delay Accuracy: ±0.5% plus ±0.25 cycle
Restricted Earth Fault (REF)
Pickup Range (per unit of
INOM of neutral current
input, IN):
0.05–3.00 per unit, 0.01 per-unit steps
Pickup Accuracy (A secondary):
5 A Model: ±5% plus ±0.10 A
1 A Model: ±5% plus ±0.02 A
Timing Accuracy:
Directional Output: 1.5 ±0.25 cycle
ANSI Extremely Inverse
TOC Curve (U4 With 0.5
Time Dial):
±5 cycles plus ±5% between 2 and 30
multiples of pickup (within rated
range of current)
Undervoltage (27P, 27PP, 27V1, 27S)
Pickup Range: Off, 2.0–300.0 V (2.0–520.0 V for
phase-to-phase wye connected;
2.0–170.0 V positive-sequence, delta
connected)
Accuracy: ±5% of setting plus ±2 V
Pickup/Dropout Time: <1.5 cycle
Time Delay: 0.00–120.00 seconds, 0.01 second
steps
Accuracy: ±0.5% plus ±0.25 cycle
Overvoltage (59P, 59PP, 59V1, 59S, 59Q, 59G)
Pickup Range: Off, 2.0–300.0 V (2.0–520.0 V for
phase-to-phase wye connected;
2.0–170.0 V positive sequence, delta
connected)
Pickup Range (59G, 59Q): Off, 2.0–200.0 V
Accuracy: ±5% of setting plus ±2 V
Pickup/Dropout Time: <1.5 cycle
Time Delay: 0.00–120.00 seconds, 0.01 second
steps
Accuracy: ±0.5% plus ±0.25 cycle
Volts/Hertz (24)
Definite-Time Element
Pickup Range: 100–200%
Steady-State Pickup
Accuracy: ±1% of setpoint
Pickup Time: 25 ms @ 60 Hz (Max)
Time-Delay Range: 0.04–400.00 s
Time-Delay Accuracy: ±0.1% plus ±4.2 ms @ 60 Hz
Reset Time Range: 0.00–400.00 s
Inverse-Time Element
Pickup Range: 100–200%
Steady-State Pickup
Accuracy: ±1% of setpoint
Pickup Time: 25 ms @ 60 Hz (Max)
Curve: 0.5, 1.0, or 2.0
Factor: 0.1–10.0 s
Timing Accuracy: ±4% plus ±25 ms @ 60 Hz, for V/Hz
above 1.2 multiple of pickup setting,
and for operating times >4 s
Reset Time Range: 0.00–400.00 s
Composite-Time Element
Combination of Definite-Time and Inverse-Time specifications
User-Definable Curve Element
Pickup Range: 100–200%
Steady-State Pickup
Accuracy: ±1% of setpoint
Pickup Time: 25 ms @ 60 Hz (Max)
Reset Time Range: 0.00–400.00 s
Directional Power (32)
Instantaneous/Definite Time, 3 Phase Elements
Type: +W, –W, +VAR, –VAR
Pickup Settings Range, VA secondary:
5 A Model: 1.0–6500.0 VA, 0.1 VA steps
1 A Model: 0.2–1300.0 VA, 0.1 VA steps
Accuracy: ±0.10 A • (L-L voltage secondary) and
±5% of setting at unity power factor
for power elements and zero power
factor for reactive power element
(5 A nominal)
±0.02 A • (L-L voltage secondary) and
±5% of setting at unity power factor
for power elements and zero power
factor for reactive power element
(1 A nominal)
Pickup/Dropout Time: <10 cycles
Time Delay: 0.00–240.00 seconds, 0.01 second
steps
Accuracy: ±0.5% plus ±0.25 cycle
Frequency (81)
Setting Range: Off, 15.0–70.0 Hz
Accuracy: ±0.01 Hz (V1 > 60 V)
Pickup/Dropout Time: <4 cycles
Time Delay: 0.00–240.00 seconds, 0.01 second
steps
Accuracy: ±0.5% plus ±0.25 cycle
RTD Protection
Setting Range: Off, 1–250°C
Accuracy: ±2

C
RTD Open-Circuit
Detection: >250°C
RTD Short-Circuit
Detection: <–50°C
RTD Types: PT100, NI100, NI120, CU10
RTD Lead Resistance: 25 ohm max. per lead
Update Rate: <3 s
Noise Immunity on RTD
Inputs:
To 1.4 Vac (peak) at 50 Hz or greater
frequency
RTD Trip/Alarm Time
Delay: Approx. 6 s
Distance Element (21)
Two zones of Compensator Distance elements with Load
Encroachment block
Reach Pickup Range: 5 A model: 0.1–100.0 ohms
1 A model: 0.5–500.0 ohms
Offset Range: 5 A model: 0.0–10.0 ohms
1 A model: 0.0–50.0 ohms
Steady-State Impedance
Accuracy:
5 A model: ±5% plus ±0.1 ohm
1 A mode: ±5% plus ±0.5 ohm
Pickup Time: 33 ms at 60 Hz (Max)