Control - GE Multilin G650 Manual

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

2.4.2 CONTROL

2
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