GE Multilin
G60 Generator Protection System
2-17
2 PRODUCT DESCRIPTION
2.2 SPECIFICATIONS
2
PHASE UNDERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
102 to 103% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Curve shapes:
GE IAV Inverse;
Definite Time (0.1s base curve)
Curve multiplier:
Time dial = 0.00 to 600.00 in steps of
0.01
Curve timing accuracy
at <0.90 x pickup:
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
AUXILIARY UNDERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
102 to 103% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Curve shapes:
GE IAV Inverse, Definite Time
Curve multiplier:
Time Dial = 0 to 600.00 in steps of 0.01
Curve timing accuracy
at <0.90 x pickup:
±3.5% of operate time or ±1/2 cycle
(whichever is greater) from pickup to
operate
THIRD HARMONIC NEUTRAL UNDERVOLTAGE
Operating quantity:
3rd harmonic of auxiliary undervoltage
Undervoltage:
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
102 to 103% of pickup
Accuracy:
±2% of reading from 1 to 120 V
Power:
Pickup level:
0.000 to 1.200 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Accuracy:
±5% or ±0.01 pu, whichever is greater
Undervoltage Inhibit
Level:
0.000 to 3.000 pu in steps of 0.001 pu
Accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0 to 600.00 s in steps of 0.01
Timer accuracy:
±3% of operate time or ±20 ms, which-
ever is greater
Operate time:
<30 ms at 0.9
×
pickup at 60 Hz
PHASE OVERVOLTAGE
Voltage:
Phasor only
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0.00 to 600.00 in steps of 0.01 s
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
NEUTRAL OVERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0.00 to 600.00 s in steps of 0.01 (definite
time) or user-defined curve
Reset delay:
0.00 to 600.00 s in steps of 0.01
Curve timing accuracy
at >1.1 x pickup:
±3.5% of operate time or ±1 cycle
(whichever is greater) from pickup to
operate
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
AUXILIARY OVERVOLTAGE
Pickup level:
0.000 to 3.000 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0 to 600.00 s in steps of 0.01
Reset delay:
0 to 600.00 s in steps of 0.01
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
Operate time:
<
30 ms at 1.10
×
pickup at 60 Hz
Operate time when 20 Hz injection is performed: 8 power system
cycles
NEGATIVE SEQUENCE OVERVOLTAGE
Pickup level:
0.000 to 1.250 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.5% of reading from 10 to 208 V
Pickup delay:
0 to 600.00 s in steps of 0.01
Reset delay:
0 to 600.00 s in steps of 0.01
Timer accuracy:
±3% of operate time or ±20 ms, which-
ever is greater
Operate time:
<30 ms at 1.10
×
pickup at 60 Hz
VOLTS PER HERTZ
Voltage:
Phasor only
Pickup level:
0.80 to 4.00 in steps of 0.01 pu V/Hz
Dropout level:
97 to 98% of pickup
Level accuracy:
±0.02 pu
Timing curves:
Definite Time; Inverse A, B, and C,
FlexCurves™ A, B, C, and D
TD Multiplier:
0.05 to 600.00 s in steps of 0.01
Reset delay:
0.0 to 1000.0 s in steps of 0.1
Timer accuracy:
±3% of operate time or ±15 cycles
(whichever is greater) for values greater
than 1.1 × pickup
100% STATOR GROUND
Operating quantity:
Pickup level:
0.000 to 0.900 pu in steps of 0.001
Dropout level:
97 to 98% of pickup
Level accuracy:
±2% of reading from 1 to 120 V
Pickup delay:
0 to 600.00 s in steps of 0.01
3rd harmonic supervision level: 0.0010 to 0.1000 pu in steps of
0.0001
Timer accuracy:
±3% of operate time or ±20 ms, which-
ever is greater
Operate time:
<30 ms at 1.10
×
pickup at 60 Hz
V
_neutral_3rd
V
_neutral_3rd
V
_zero_3rd
+
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Содержание Multilin g60
Страница 10: ...x G60 Generator Protection System GE Multilin TABLE OF CONTENTS INDEX ...
Страница 32: ...1 22 G60 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 130: ...3 68 G60 Generator Protection System GE Multilin 3 4 FIELD AND STATOR GROUND MODULES 3 HARDWARE 3 ...
Страница 160: ...4 30 G60 Generator Protection System GE Multilin 4 3 FACEPLATE INTERFACE 4 HUMAN INTERFACES 4 ...
Страница 486: ...5 326 G60 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 518: ...6 32 G60 Generator Protection System GE Multilin 6 5 PRODUCT INFORMATION 6 ACTUAL VALUES 6 ...
Страница 532: ...7 14 G60 Generator Protection System GE Multilin 7 2 TARGETS 7 COMMANDS AND TARGETS 7 ...
Страница 538: ...8 6 G60 Generator Protection System GE Multilin 8 1 PHASE DISTANCE THROUGH POWER TRANSFORMERS 8 THEORY OF OPERATION 8 ...
Страница 748: ...D 10 G60 Generator Protection System GE Multilin D 1 IEC 60870 5 104 APPENDIX D D ...
Страница 760: ...E 12 G60 Generator Protection System GE Multilin E 2 DNP POINT LISTS APPENDIX E E ...