
GEK-113285A
G650 Generator Protection & Control System
2-17
2 PRODUCT DESCRIPTION
2.4 TECHNICAL SPECIFICATIONS
2
2.4.1.25 POWER FACTOR LIMITING (55)
2.4.2 CONTROL
2.4.2.1 SYNCHROCHECK (25)
2.4.2.2 FUSE FAILURE
2.4.2.3 BREAKER FAILURE (50BF)
Lead Pickup level
0.05 to 0.99 in steps of 0.01
Lag Pickup level
0.05 to 0.99 in steps of 0.01
Dropout level
97% to 98 % of the pickup level
Level accuracy
±0.02
Stages
2 for Lead
2 for Lag
Trip delay
0.2 to 300.0 in steps of 0.1 s
Timing accuracy
±3.5% of operate time or 100 ms (whichever is greater)
Snapshot Events
Selectable by setting
Dead/live levels for line and bus
0.00 to 300.00 in steps of 0.01 V
Maximum voltage difference
2.00 to 300.00 V in steps of 0.01 V
Maximum angle difference
2.0º to 80.0º in steps of 0.1º
Maximum frequency slip
10 to 5000 mHz in steps of 10 mHz
Synchronism time
0.01 to 600.00 s in steps of 0.01 s
Angle accuracy
3º
Dead Source function
None
(DL-DB) Dead Line - Dead Bus
(LL-DB) Live Line-Dead Bus
(DL-LB) Dead Line – Live Bus
Snapshot Events
Selectable by setting
Algorithm based on positive sequence of voltage and current
Activation by V
2
/V
1
ratio
Current Input
Fundamental Phasor (without harmonics)
Rated current
For connection to 1 or 5 A CTs.
Pickup level for supervision
0.05 to 160.00 A in steps of 0.01 A
Pickup level for high level
0.05 to 160.00 A in steps of 0.01 A
Pickup level for low level
0.05 to 160.00 A in steps of 0.01 A
Pickup level for internal arcing
0.05 to 160.00 A in steps of 0.01 A
Dropout level
97% to 98% of the pickup level
Summary of Contents for Multilin G650
Page 9: ...8 G650 Generator Protection Control System GEK 113285A TABLE OF CONTENTS ...
Page 426: ...GEK 113285A G650 Generator Protection Control System A 31 APPENDIX A A 1 LOGIC OPERANDS A ...
Page 427: ...A 32 G650 Generator Protection Control System GEK 113285A A 1 LOGIC OPERANDS APPENDIXA A ...
Page 587: ...C 22 G650 Generator Protection Control System GEK 113285A C 8 ANALOG INPUTS APPENDIXC C ...
Page 639: ...G 2 G650 Generator Protection Control System GEK 113285A G 1 GE MULTILIN WARRANTY APPENDIXG G ...