GE Multilin | F650BFEF1G0HI | Versatile Feeder Protection Relay

Technical Specifications

PROTECTION

PHASE/NEUTRAL AND GROUND TIMED OVERCURRENT (51PH/51PL/51N/51G)

• Current: Fundamental Phasor (without harmonics) or RMS
• Rated current: For connection to 1 or 5 A CTs
• Pickup level: 0.05 to 160.00 A in steps of 0.01 A
• Reset Dropout level: 97% to 98% of the pickup level
• Accuracy: ±0.5% of the reading ±10 mA from 0.05 to 10A; ±1.5% of the reading for values higher than 10A

Operation Curves

• IEEE extremely/very/moderately inverse
• IEC Curve A/B/C/Long-Time Inverse/Short-Time Inverse
• ANSI extremely/very/normally/moderately inverse
• I2t
• IAC extremely/very/moderately inverse
• Definite time
• Rectifier curve
• User curve FlexCurve™ A/B/C/D

Reset Time Type

• Instantaneous or time delayed according to IEEE

Snapshot Events

• Selectable by setting

Timer Accuracy

• From 1.03 times the pickup, ±3% of operation time or 50 ms. (whichever is greater)

Voltage Restraint

• Selectable by setting

NEGATIVE SEQUENCE (46)

• Current: Fundamental phasor (without harmonics)
• Pickup level: 0.05 to 160.00 A in steps of 0.01 A
• Reset level: 98% of the pickup level
• Accuracy: ±0.5% of the reading ±10 mA from 0.05 to 10A; ±1.5% of the reading for higher values

Operation Curves

• IEEE extremely/very/moderately inverse
• IEC Curve A/B/C/Long-Time Inverse/Short-Time Inverse
• ANSI extremely/very/normally/moderately inverse
• I2t
• IAC extremely/very/moderately inverse
• Definite time
• Rectifier curve
• User curve FlexCurve™ A/B/C/D

Reset Time Type

• Instantaneous or time delayed according to IEEE

Timing

• Operate at > 1.03 times the pickup ±3% of operate time or 50 ms. (whichever is greater)

SENSITIVE GROUND TIMED OVERCURRENT (51SG)

• Current: Fundamental Phasor (without harmonics) or RMS
• Rated current: For connection to 1 or 5 A CTs
• Pickup level: 0.005 to 16.00 A in steps of 0.001 A
• Reset dropout level: 97% to 98% of the pickup level
• Accuracy: ±1.5% of the reading ±1 mA from 0.005 to 16 A

Operation Curves

• IEEE extremely/very/moderately inverse
• IEC Curve A/B/C/Long-Time Inverse/Short-Time Inverse
• IAC extremely/very/normally/moderately inverse
• ANSI extremely/very/normally/moderately inverse
• I2t
• Definite time
• Rectifier curve
• FlexCurve™ A/B/C/D user curve

Reset Time

• Instantaneous or time delayed according to IEEE

Timing Accuracy

• Operate at > 1.03 times the pickup ±3% of operate time or 50 ms. (whichever is greater)

PHASE/NEUTRAL AND GROUND INSTANTANEOUS OVERCURRENT (50PH/50PL/50N/50G)

• Current: Fundamental Phasor (without harmonics) or RMS
• Rated current: For connection to 1 or 5 A CTs
• Pickup level: 0.05 to 160.0 A in steps of 0.01
• Reset dropout level: 97% to 98% of the pickup level
• Accuracy: ±0.5% of the reading ±10mA from 0.05 to 10A; ±1.5% of the reading for higher values
• Overreach < 2%
• Trip Delay: 0.00 to 900.00 s. in steps of 0.01 s.
• Operate time: <30 ms at 3 x Pickup at 50 Hz, typically
• Reset time delay: 0.00 to 900.00 s. in steps of 0.01 s.
• Timing accuracy: at 0ms time delay (no intentional delay): 50 ms; at non-zero time delay: ±3% of operate time or 50 ms (whichever is greater)