2-8
G650 Generator Protection & Control System
GEK-113285A
2.4 TECHNICAL SPECIFICATIONS
2 PRODUCT DESCRIPTION
2
2.4.1.2 GROUND TIME OVERCURRENT (51G)
2.4.1.3 NEUTRAL TIME OVERCURRENT (51N)
Current Input
Phasor (without harmonics) or RMS
Rated current
For connection to 1 or 5 A CTs.
Pickup level
0.05 to 160.00 A in steps of 0.01 A
Dropout level
97% to 98% of the pickup level
Level Accuracy
Values at nominal frequency:
±
0.5% of the reading
±
10 mA from 0.05 to 10 A
±
1.5% of the reading for higher values.
Curve Shapes
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
2
t
Definite time
Rectifier curve
FlexCurve
™
A/B/C/D user curve
Curve Multiplier (Time Dial)
0.00 to 900.00 s in steps of 0.01 s
Reset type
Instantaneous or time delayed according to IEEE
Timing accuracy
Operate at > 1.03 times the pickup ±3% of operate time or
50 ms. (whichever is greater)
Saturation Level
48 times the pickup level
Snapshot Events
Selectable by setting
Current Input
Fundamental Phasor (without harmonics)
Pickup level
0.05 to 160.00 A in steps of 0.01 A
Dropout level
97% to 98% of the pickup level
Level Accuracy
Values at nominal frequency:
±
0.5% of the reading
±
10 mA from 0.05 to 10 A
±
1.5% of the reading for higher values.
Curve Shapes
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
2
t
Definite time
Rectifier curve
FlexCurve
™
A/B/C/D user curve
Curve Multiplier (Time Dial)
0.00 to 900.00 s in steps of 0.01 s
Reset type
Instantaneous or time delayed according to IEEE
Timing accuracy
Operate at > 1.03 times the pickup ±3% of operate time or
50 ms. (whichever is greater)
Saturation Level
48 times the pickup level
Snapshot Events
Selectable by setting
Содержание Multilin G650
Страница 9: ...8 G650 Generator Protection Control System GEK 113285A TABLE OF CONTENTS ...
Страница 29: ...1 20 G650 Generator Protection Control System GEK 113285A 1 4 650 HARDWARE 1 GETTING STARTED 1 ...
Страница 293: ...5 150 G650 Generator Protection Control System GEK 113285A 5 9 LOGIC CONFIGURATION PLC EDITOR 5 SETTINGS 5 ...
Страница 391: ...11 6 G650 Generator Protection Control System GEK 113285A 11 4 RELAY CONFIGURATION 11 FREQUENTLY ASKED QUESTIONS 11 ...
Страница 426: ...GEK 113285A G650 Generator Protection Control System A 31 APPENDIX A A 1 LOGIC OPERANDS A ...
Страница 427: ...A 32 G650 Generator Protection Control System GEK 113285A A 1 LOGIC OPERANDS APPENDIXA A ...
Страница 587: ...C 22 G650 Generator Protection Control System GEK 113285A C 8 ANALOG INPUTS APPENDIXC C ...
Страница 595: ...D 8 G650 Generator Protection Control System GEK 113285A D 5 IEC 60870 5 104 POINT LIST APPENDIXD D ...
Страница 606: ...GEK 113285A G650 Generator Protection Control System E 11 APPENDIX E E 1 FACTORY DEFAULT LOGIC E ...
Страница 607: ...E 12 G650 Generator Protection Control System GEK 113285A E 1 FACTORY DEFAULT LOGIC APPENDIXE E ...
Страница 639: ...G 2 G650 Generator Protection Control System GEK 113285A G 1 GE MULTILIN WARRANTY APPENDIXG G ...