Specifications; Protection Elements - GE Multilin g60 Instruction Manual

2.2 SPECIFICATIONS

2.2SPECIFICATIONSSPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
The operating times below include the activation time of a trip rated form-A output contact unless otherwise indi-
cated. FlexLogic™ operands of a given element are 4 ms faster. This should be taken into account when using
NOTE
FlexLogic™ to interconnect with other protection or control elements of the relay, building FlexLogic™ equations, or
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interfacing with other IEDs or power system devices via communications or different output contacts.
PHASE DISTANCE
Characteristic:
Number of zones:
Directionality:
Reach (secondary ):
Reach accuracy:
Distance:
Characteristic angle:
Comparator limit angle: 30 to 90° in steps of 1
Directional supervision:
Characteristic angle:
Limit angle:
Right blinder (Quad only):
Reach:
Characteristic angle:
Left Blinder (Quad only):
Reach:
Characteristic angle:
Time delay:
Timing accuracy:
Current supervision:
Level:
Pickup:
Dropout:
Memory duration:
VT location:
CT location:
Voltage supervision pickup (series compensation applications):
Operation time:
Reset time:
STATOR DIFFERENTIAL
Pickup:
Slope 1 and 2:
Break 1:
Break 2:
Operate time:
2-10
mho (memory polarized or offset) or
quad (memory polarized or non-direc-
tional), selectable individually per zone
3
forward, reverse, or non-directional per
zone
0.02 to 500.00  in steps of 0.01
±5% including the effect of CVT tran-
sients up to an SIR of 30
30 to 90° in steps of 1
30 to 90° in steps of 1
30 to 90° in steps of 1
0.02 to 500  in steps of 0.01
60 to 90° in steps of 1
0.02 to 500  in steps of 0.01
60 to 90° in steps of 1
0.000 to 65.535 s in steps of 0.001
±3% or 4 ms, whichever is greater
line-to-line current
0.050 to 30.000 pu in steps of 0.001
97 to 98%
5 to 25 cycles in steps of 1
all delta-wye and wye-delta transformers
all delta-wye and wye-delta transformers
0 to 5.000 pu in steps of 0.001
1 to 1.5 cycles (typical)
1 power cycle (typical)
0.050 to 1.00 pu in steps of 0.01
1 to 100% in steps of 1
1.00 to 1.50 pu in steps of 0.01
1.50 to 30.00 pu in steps of 0.01
<¾ cycle at I > 5 × pickup
diff
G60 Generator Protection System
2 PRODUCT DESCRIPTION

2.2.1 PROTECTION ELEMENTS

RESTRICTED GROUND FAULT
Pickup: 0.005 to 30.000 pu in steps of 0.001
Dropout: 97 to 98% of pickup
Slope: 0 to 100% in steps of 1%
Pickup delay: 0 to 600.00 s in steps of 0.01
Dropout delay: 0 to 600.00 s in steps of 0.01
Operate time: <1 power system cycle
PHASE/NEUTRAL/GROUND TOC
Current: Phasor or RMS
Pickup level: 0.000 to 30.000 pu in steps of 0.001
Dropout level: 97% to 98% of pickup
Level accuracy:
for 0.1 to 2.0  CT:
±0.5% of reading or ±0.4% of rated
(whichever is greater)
for > 2.0  CT: ±1.5% of reading > 2.0  CT rating
Curve shapes: IEEE Moderately/Very/Extremely
Inverse; IEC (and BS) A/B/C and Short
Inverse; GE IAC Inverse, Short/Very/
Extremely Inverse; I
(programmable); Definite Time (0.01 s
base curve)
Curve multiplier: Time Dial = 0.00 to 600.00 in steps of
0.01
Reset type: Instantaneous/Timed (per IEEE)
Operate at > 1.03  actual pickup
Timing accuracy:
±3.5% of operate time or ±½ cycle
(whichever is greater)
PHASE/NEUTRAL/GROUND IOC
Pickup level: 0.000 to 30.000 pu in steps of 0.001
Dropout level: 97 to 98% of pickup
Level accuracy:
0.1 to 2.0  CT rating: ±0.5% of reading or ±0.4% of rated
(whichever is greater)
> 2.0  CT rating
±1.5% of reading
Overreach: <2%
Pickup delay: 0.00 to 600.00 s in steps of 0.01
Reset delay: 0.00 to 600.00 s in steps of 0.01
<16 ms at 3  pickup at 60 Hz
Operate time:
(Phase/Ground IOC)
<20 ms at 3  pickup at 60 Hz
(Neutral IOC)
Operate at 1.5  pickup
Timing accuracy:
±3% or ±4 ms (whichever is greater)
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GE Multilin