Automatic Voltage Regulator and Parallel Operation of generators. Voltage droop

Generator sets are commonly operated in parallel to enhance fuel efficiency and increase the reliability of the power supply. When generators are connected in parallel, fuel economy is optimized by activating only the necessary generators to meet the load demand at any given moment. Operating each generator close to its full capacity ensures efficient fuel consumption.

The reliability of the power system is also improved since backup generators are available when others are in use. Additionally, protective systems can be implemented to detect faults and isolate the affected part while maintaining power to the rest of the system. If one generator fails or develops a problem, it can be shut down, with the remaining generators taking over the load.