GE Multilin G650 Manual page 40

2 PRODUCT DESCRIPTION
Curve Shapes
Curve Multiplier (Time Dial)
Reset type
Timing accuracy
Saturation Level
Snapshot Events
2.4.1.9 NEGATIVE SEQUENCE INSTANTANEOUS OVERCURRENT (50-2)
Current Input
Rated current
Pickup level
Dropout level
Level Accuracy
Trip delay
Reset delay
Operate time
Timing accuracy
Snapshot Events
GEK-113285A
IEEE extremely / very / moderately inverse
IEC A/B/C/long-time inverse/short time inverse curve
IAC extremely / very / moderately inverse
ANSI extremely / very / normally / moderately inverse
I
Definite time
Rectifier curve
FlexCurve™ A/B/C/D user curve
0.00 to 900.00 s in steps of 0.01 s
Instantaneous or time delayed according to IEEE
Operate at > 1.03 times the pickup ±3% of operate time
or 50 ms. (whichever is greater)
48 times the pickup level
Selectable by setting
Fundamental Phasor (without harmonics)
For connection to 1 or 5 A CTs.
0.05 to 160.00 A in steps of 0.01 A
97% to 98 % of the pickup level
Values at nominal frequency
±0.5% of the reading ± 10 mA from 0.1 to 10 A
±1.5% of the reading for higher values
0.00 to 900.00 s. in steps of 0.01 s.
0.00 to 900.00 s. in steps of 0.01 s.
50 ms at 3 x Pickup at 50 Hz, typically
Operate at 1.00 times the pickup ±3% of operate time or
50 ms. (whichever is greater)
Selectable by setting
G650 Generator Protection & Control System
2.4 TECHNICAL SPECIFICATIONS
2
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