Figure 44 – Basler Electric DGC-2020HD User Manual
Page 102
92
9469300990 Rev B
Figure 44. Generator Breaker Closure Conditions Flow Diagram (without Optional Load Bus Metering)
Generator Breaker
Close Request
Close Generator
Breaker
Is Generator
Breaker Control
enabled?
Generator
Breaker
state
Cannot Close
Generator Breaker
No
Yes
Is
Generator Bus
stable?
Synchronize buses
P0071-77
No
Is Mains
bus stable?
No
Mains breaker
state
Yes
Yes
Open
Closed
Is Mains
bus dead?
Is
Generator Bus
stable?
Is
Generator Bus
dead?
Dead Gen Close
Enable setting
Dead Bus Close
Enable setting
Open
No
Yes
Yes
Enabled
Yes
Enabled
Cannot Close
Generator Breaker
No
Disabled
No
Disabled
Close Generator
Breaker
Closed
Breaker Management
DGC-2020HD
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