Automatic separation systems detect an unstable or failing macrogrid and proactively island your microgrid power system to avoid blackouts. These systems identify and isolate dangerous open-circuit, shorted-circuit, and back-feed conditions. A seamless transition to island mode operation is possible when this system is used in conjunction with SEL microgrid control systems. Two variations of these systems are available: simplified controls using only SEL protective relays or, alternatively, pre-engineered library modules for the SEL Real-Time Automation Controller (RTAC) family.
The library modules for the RTAC family offer standardized interconnection controls for renewable generation sources. The library contains pre-engineered function blocks for controlling the PCC between the utility grid and a power generation source. It is designed to simplify interconnection control and solve common interconnection issues.
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