GE Multilin
G30 Generator Protection System
2-21
2 PRODUCT DESCRIPTION
2.4 SPECIFICATIONS
2
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
Operate time:
<30 ms at 0.9 pickup at 60 Hz for Defi-
nite Time mode
THIRD HARMONIC NEUTRAL UNDERVOLTAGE
Operating quantity:
3rd harmonic of auxiliary undervoltage
Undervoltage:
Pickup level:
0.0000 to 3.0000 pu in steps of 0.0001
Dropout level:
102 to 103% of pickup
Accuracy:
±2% of reading from 1 to 120 V
Power:
Pickup level:
0.000 to 1.250 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 1.250 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
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
Pickup delay:
0 to 600.00 s in steps of 0.01
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
UNDERFREQUENCY
Minimum signal:
0.10 to 1.25 pu in steps of 0.01
Pickup level:
20.00 to 65.00 Hz in steps of 0.01
Dropout level:
0.03 Hz
Level accuracy:
±0.001 Hz
Time delay:
0 to 65.535 s in steps of 0.001
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
Operate time:
typically 4 cycles at 0.1 Hz/s change
typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change
Typical times are average operate times including variables such
as frequency change instance, test method, etc., and may vary by
±0.5 cycles.
OVERFREQUENCY
Pickup level:
20.00 to 65.00 Hz in steps of 0.01
Dropout level:
pickup – 0.03 Hz
Level accuracy:
±0.001 Hz
Time delay:
0 to 65.535 s in steps of 0.001
Timer accuracy:
±3% of operate time or ±1/4 cycle
(whichever is greater)
Operate time:
typically 4 cycles at 0.1 Hz/s change
typically 3.5 cycles at 0.3 Hz/s change
typically 3 cycles at 0.5 Hz/s change
Содержание G30
Страница 10: ...x G30 Generator Protection System GE Multilin TABLE OF CONTENTS ...
Страница 30: ...1 20 G30 Generator Protection System GE Multilin 1 5 USING THE RELAY 1 GETTING STARTED 1 ...
Страница 414: ...5 274 G30 Generator Protection System GE Multilin 5 10 TESTING 5 SETTINGS 5 ...
Страница 456: ...8 2 G30 Generator Protection System GE Multilin 8 1 DIRECTIONAL PRINCIPLE 8 THEORY OF OPERATION 8 ...
Страница 470: ...9 14 G30 Generator Protection System GE Multilin 9 1 SETTING EXAMPLE 9 APPLICATION OF SETTINGS 9 ...
Страница 484: ...11 12 G30 Generator Protection System GE Multilin 11 6 DISPOSAL 11 MAINTENANCE 11 ...
Страница 512: ...A 28 G30 Generator Protection System GE Multilin A 1 PARAMETER LISTS APPENDIX A A ...
Страница 620: ...B 108 G30 Generator Protection System GE Multilin B 4 MEMORY MAPPING APPENDIX B B ...
Страница 666: ...E 10 G30 Generator Protection System GE Multilin E 1 IEC 60870 5 104 APPENDIX E E ...
Страница 678: ...F 12 G30 Generator Protection System GE Multilin F 2 DNP POINT LISTS APPENDIX F F ...
Страница 687: ...GE Multilin G30 Generator Protection System H 7 APPENDIX H H 2 ABBREVIATIONS H Z Impedance Zone ...