GE Multilin G650 - Control

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