GE Multilin | F650BFEF2G0HIC | Versatile Feeder Protection Relay

Technical Specifications

SENSITIVE GROUND INSTANTANEOUS OVERCURRENT (50SG)

• Current: Fundamental Phasor (without harmonics) or RMS
• Rated current: For connection to 1 or 5 A CTs
• Pickup level: 0.005 to 16.0 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
• 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
• Reset time: 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)

ISOLATED GROUND INSTANTANEOUS OVERCURRENT (50IG)

• Current Input: Fundamental Phasor (without harmonics)
• Voltage Input: Fundamental Phasor (without harmonics)
• Current Pickup level: 0.005 to 0.400 A in steps of 0.001 A
• Voltage Pickup level: 2 to 70 V in steps of 1 V
• Dropout level: 97 to 98% of the pickup level
• Level Accuracy: ±1.5% of the reading ±1 mA from 0.005 to 16 A
• Trip delay: 0.00 to 900.00 s. in steps of 0.01 s.
• Operate time: <50 ms at 3 x Pickup at 50 Hz, typically
• 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)
• Snapshot Events: Selectable by setting

PHASE DIRECTIONAL UNITS (67P)

• Directionality: Forward and reverse selectable by setting
• Polarizing: Quadrature Voltage
  • ABC seq: Phase A (VBC), Phase B (VCA), Phase C (VAB)
  • ACB seq: Phase A (VCB), Phase B (VAC), Phase C (VBA)
• Polarizing voltage threshold: 0 to 300 Vac in steps of 1 V
• Current Sensitivity Threshold: 50 mA
• Characteristic angle: -90º to +90º in steps of 1º
• Block Logic: Permission or Block selectable by setting
• Angle accuracy: ±2º for I>0.1 A and V>5 Vac
• Operate time: <30ms, typically

NEUTRAL AND GROUND DIRECTIONAL UNIT (67N/67G)

• Directionality: Forward and reverse selectable by setting
• Polarizing: Voltage, current, dual
• Polarizing Voltage: VN (measured or calculated, selected by setting)
• Polarizing Current: Isg (measured from 5th current transformer)
• Operating Current: Ig (measured from 4th current transformer)
• Polarizing Voltage threshold: 0 to 300 Vac in steps of 1 V
• Polarizing Current threshold: 0.005 A
• Characteristic angle: -90º to +90º in steps of 1º
• Block Logic: Permission or Block selectable by setting
• Angle accuracy: ±2º for I>0.1 A and V>5 Vac
• Operate time: <30ms, typically

SENSITIVE GROUND DIRECTIONAL UNIT (67SG)

• Polarization By: Voltage
• Polarization Voltage: 0 to 300 Vac in steps of 1V
• Directionality: Forward and reverse selectable by setting
• Characteristic angle: -90º to +90º in steps of 1º
• Angle accuracy: ±3º from 0.1 A and 5 Vac
• Response time: <30ms typically

THERMAL MODEL (49)

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