PRIME POWER / COGENERATION SWITCHGEAR
- For prime power systems, engine generators are run in response to connected load. If load increases to a predetermined level, additional generators are automatically started, synchronized to the generator bus, and share load with the running generators. If load decreases to a predetermined level, excess generators are automatically removed from the bus and shut down, returning them to automatic standby status.
- In cogeneration applications, the generator sets are run to serve the connected load, and heat is also recovered for other uses. Cogeneration power control switchgear may have additional controls to optimize heat recovery. Cogeneration systems often operate in parallel with the utility to achieve optimum power and heat generation.
- Utility/generator paralleling control (where applicable) provides active synchronization and soft loading, and uses a utility-approved interconnecting protective relay system.
Soft loading power transfer