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2-12
G650 Generator Protection & Control System
GEK-113328A
2.4 TECHNICAL SPECIFICATIONS
2 PRODUCT DESCRIPTION
2
2.4.1.10 GENERATOR UNBALANCE (46)
2.4.1.11 GROUND DIRECTIONAL (67G)
2.4.1.12 NEUTRAL DIRECTIONAL (67N)
Gen. nominal current
0.00 to 10.00 A in steps of 0.01 A (
rated full load
current of the machine
)
Stages
2 (
(I
2
t with linear reset and definite time))
Pickup level
0.00 to 100.00% in steps of 0.01
Dropout level
97% to 98 % of the pickup level
Level Accuracy
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
Time dial (K-value)
0.00 to 100.00 in steps of 0.01
Pickup delay
0.0 to 1000.0 s in steps of 0.1
Reset delay
0.0 to 1000.0 s in steps of 0.1
Operate time
<50 ms at 50 Hz, typically
Timing accuracy
±3% of operate time or 50 ms. (whichever is greater)
Snapshot Events
Selectable by setting
Directionality
Forward and reverse selectable by setting
Polarizing
Voltage, current, dual
Polarizing Voltage
V
N
(measured or calculated, selected by setting)
Polarizing Current
Isg (measured from 5
th
current transformer)
Operating Current
Ig (measured from 4
th
current transformer)
Polarizing Voltage threshold
0 to 00 Vac in steps of 1 V
Polarizing Current threshold
0.005 A
Characteristic angle
-90º to +90º in steps of 1º
Block Logic
Permission or Block selectable by setting
Angle accuracy
±
2º for I>0.1 A and V>5 Vac
Operate time
<30ms, typically
Directionality
Forward and reverse selectable by setting
Polarizing
Voltage, current, dual
Polarizing Voltage
V
N
(measured or calculated, selected by setting)
Polarizing Current
Isg (measured from 5
th
current transformer)
Operating Current
I
N
Polarizing Voltage threshold
0 to 00 Vac in steps of 1 V
Polarizing Current threshold
0.005 A
Characteristic angle
-90º to +90º in steps of 1º
Block Logic
Permission or Block selectable by setting
Angle accuracy
±
2º for I>0.1 A and V>5 Vac
Operate time
<30ms, typically
Содержание Multilin GEK-113328A
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Страница 6: ...4 G650 Generator Protection Control System GEK 113328 TABLE OF CONTENTS ...
Страница 26: ...1 20 G650 Generator Protection Control System GEK 113328A 1 4 650 HARDWARE 1 GETTING STARTED 1 ...
Страница 170: ...7 6 G650 Generator Protection Control System GEK 113328A 7 4 RELAY CONFIGURATION 7 FREQUENTLY ASKED QUESTIONS 7 ...
Страница 185: ...GEK 113328A G650 Generator Protection Control System A 11 APPENDIX A A 1 FACTORY DEFAULT LOGIC A ...
Страница 186: ...A 12 G650 Generator Protection Control System GEK 113328A A 1 FACTORY DEFAULT LOGIC APPENDIXA A ...
Страница 218: ...C 2 G650 Generator Protection Control System GEK 113328A C 1 GE MULTILIN WARRANTY APPENDIXC C ...