1.17
Date Code 20170814
Instruction Manual
SEL-700G Relay
Introduction and Specifications
Specifications
Definite-Time Delay:
0.00–400.00 s
Accuracy:
±0.1% plus ± 0.25 cycle
Minimum Phase Current:
5 A model: 0.5 A
1 A model: 0.1 A
Maximum Torque Angle
Range:
90–45°, 1° step
Loss-of-Field Element (40)
Two Mho Zones
Zone 1 Offset:
5 A model: –50.0 to 0.0 ohms
1 A model: –250.0 to 0.0 ohms
Zone 2 Offset:
5 A model: –50.0 to 50.0 ohms
1 A model: –250.0 to 250.0 ohms
Zone 1 and Zone 2 Diameter: 5 A model: 0.1–100.0 ohms
1 A model: 0.5–500.0 ohms
Steady-State Impedance
Accuracy:
5 A model: ± 0.1 ohm plus
±5% of ( diameter)
1 A model: ±0.5 ohm plus
±5% of ( diameter)
Minimum Pos.-Seq. Signals: 5 A model: 0.25 V (V1), 0.25 A (I1)
1 A model: 0.25 V (V1), 0.05 A (I1)
Directional Element Angle:
–20.0° to 0.0°
Pickup Time:
3 cycles (Max)
Zone 1 and Zone 2 Definite-
Time Delays:
0.00–400.00 s
Accuracy:
±0.1% plus ±1/2 cycle
Voltage-Restrained Phase Time-Overcurrent Element (51V)
Phase Pickup (A secondary): 5 A Model: 2.0–16.0 A
1 A Model: 0.4–3.2 A
Steady-State Pickup
Accuracy:
5 A Model: ±5% plus ±0.10 A
1 A Model: ±5% plus ±0.02 A
Time Dials:
US: 0.50–15.00, 0.01 steps
IEC: 0.05–1.00, 0.01 steps
Accuracy:
±4% plus ±1.5 cycles for current
between 2 and 20 multiples of pickup
(within rated range of current)
Linear Voltage Restraint
Range:
0.125–1.000 per unit of VNOM
Voltage-Controlled Phase Time-Overcurrent Element (51C)
Phase Pickup (A secondary): 5 A Model: 0.5–16.0 A
1 A Model: 0.1–3.2 A
Steady State Pickup
Accuracy:
5 A Model: ±5% plus ±0.10 A
1 A Model: ±5% plus ±0.02 A
Time Dials:
US: 0.50–15.00, 0.01 steps
IEC: 0.05–1.00, 0.01 steps
Accuracy:
±4% plus ±1.5 cycles for current
between 2 and 20 multiples of pickup
(within rated range of current)
100 Percent Stator Ground Protection (64G)
Neutral Fundamental
Overvoltage (64G1):
OFF, 0.1–150.0 V
Steady-State Pickup
Accuracy:
±5% plus ±0.1 V
Pickup Time:
1.5 cycles (Max)
Definite-Time Delay:
0.00–400.00 s
Accuracy:
±0.1% plus ±0.25 cycle
Third-Harmonic Voltage
Differential or Third-
Harmonic Neutral
Undervoltage Pickup 64G2: 0.1–20.0 V
Steady-State Pickup
Accuracy:
±5% plus ±0.1 V
Third-Harmonic Voltage
Differential Ratio Setting
Range:
0.0 to 5.0
Pickup Time:
3 cycles (Max)
Definite-Time Delay:
0.00–400.00 s
Accuracy:
±0.1% plus ±0.25 cycle
Field Ground Protection (64F)
(Requires SEL-2664 Field Ground Module)
Field Ground Protection
Element:
0.5–200.0 kilohms, 0.1 kilohm step
Pickup Accuracy:
±5% plus ±500 ohms for
48 ± VF ± 825 Vdc
±5% plus ±20 kilohms for
825 < VF ± 1500 Vdc
(VF is the generator field winding
excitation dc voltage)
Pickup Time:
2 s if the injection frequency in the
SEL-2664 is selected at 1 Hz
8 s if the injection frequency in the
SEL-2664 is selected at 0.25 Hz
Definite-Time Delay:
0.0–99.0 s
Maximum Definite-Time
Delay Accuracy:
±0.5% plus ±5 ms
Out-of-Step Element (78)
Forward Reach:
5 A model: 0.1–100.0 ohms
1 A model: 0.5–500.0 ohms
Reverse Reach:
5 A model: 0.1–100.0 ohms
1 A model: 0.5–500.0 ohms
Single Blinder
Right Blinder:
5 A model: 0.1–50.0 ohms
1 A model: 0.5–250.0 ohms
Left Blinder:
5 A model: 0.1–50.0 ohms
1 A model: 0.5–250.0 ohms
Double Blinder
Outer Resistance Blinder:
5 A model: 0.2–100.0 ohms
1 A model: 1.0–500.0 ohms
Inner Resistance Blinder:
5 A model: 0.1–50.0 ohms
1 A model: 0.5–250.0 ohms
Steady-State Impedance
Accuracy:
5 A model: ±0.1 ohm plus ±5% of
diameter
1 A model: ±0.5 ohm plus ±5% of
diameter
Pos.-Seq. Current
Supervision:
5 A model: 0.25–30.00 A
1 A model: 0.05–6.00 A
Pickup Time:
3 cycles (Max)
Definite Time Delay:
0.00–1.00 s, 0.01 s step
Trip Delay Range:
0.00–1.00 s, 0.01 s step
Trip Duration Range:
0.00–5.00 s, 0.01 s step
Definite-Time Timers:
±0.1% plus ±1/2 cycle
Ground Differential Elements (87N)
Ground Differential Pickup: 5 A Model:
0.10*CTR/CTRN – 15.00 A
1 A Model:
0.02*CTR/CTRN – 3.00 A
(Ratio CTR/CTRN must be within
1.0–40.0)
Steady-State Pickup
Accuracy:
5 A Model: ±5% plus ±0.10 A
1 A Model: ±5% plus ±0.02 A
Pickup Time:
1.5 cycles (Max)
Time Delay Range:
0.00–5.00 s
Time Delay Accuracy:
±0.5% plus ±1/4 cycle
Summary of Contents for SEL-700G Series
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