GE Multilin GEK-113000T, User Manual

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2-16 F650 Digital Bay Controller GEK-113000T
2.4 TECHNICAL SPECIFICATIONS 2 PRODUCT DESCRIPTION
2
2.4.1.25 WATTMETRIC ZERO-SEQUENCE DIRECTIONAL (32N)
2.4.2 CONTROL
2.4.2.1 AUTORECLOSE (79)
Measured Power Zero sequence
Number of elements 6 (3 High level, 3 Low level)
Voltage Pickup Level (VN) 2.00 to 70.00 Volts in steps of 0.01
Voltage calculated from phases if Auxiliary voltage is set
to Vx
Voltage Measured directly from the fourth voltage
transformer if Auxiliary voltage is set to VN.
Level Accuracy for Voltage ±1% reading ±0.1% Full Scale from 10 to 275 V
Current Selection IN (calculated from phases)
IG (measured directly from the fourth current
transformer)
OC Pickup Level 0.005 to 0.400 Amps in steps of 0.001
Level Accuracy for current ±0.5% of the reading ± 10 mA from 0.05 to 10 A
±1.5% of the reading for higher values
OC Pickup Delay 0.00 to 600.00 seconds in steps of 0.01
Power Pickup Level 0.01 to 4.50 Watts in steps of 0.01
Characteristic Angle (MTA) 0 to 360º in steps of 1
Power Pickup Delay 0.00 to 600.00 seconds in steps of 0.01
Level Accuracy for Power ±1% of the reading at -0.8 = PF = -1 and 0.8 <PF=1
Curve Shapes Inverse Curve
Definite time
FlexCurve™ A/B/C/D user curve
Curve Multiplier (Time Dial) 0.02 to 2.00 s in steps of 0.01 s
Tripping time accuracy ±3.5% of operate time or 50 ms whichever is greater
Snapshot Events Selectable by setting
Operate time < 45 ms at 50 Hz, typically
Schemes Three-pole tripping schemes
Number of shots Up to 4 reclose attempts before lockout
Dead time Independent dead time setting before each shot
adjustable between 0 and 900 s in steps of 0.01 s
Reclaim time 0.00 to 900.00 s in steps of 0.01 s
Condition permission Selectable by setting
Hold time 0.00 to 900.00 s in steps of 0.01 s
Reset time 0.00 to 900.00 s in steps of 0.01 s
Snapshot Events Selectable by setting
Possibility to modify protection settings after each shot programmable through PLC (block signals available after each
shot)