| Summary: | Aiming at the special grid operation situation of the isolated power grid, the electric load balancing device is used to establish a frequency modulation model considering the coordinated output of the load side and the generator side. The ETAP simulation platform is used to simulate and analyze the power system of an industrial park in Sulawesi. It is found that when the system suddenly throws a large load, compared to the generator's independent frequency modulation model, the frequency modulation model of the load end and the generator end can make the system frequency fluctuation smaller and the stable frequency closer to the rated frequency. When the system is connected to a large load, putting in the electric load balancing device in advance can prevent the system frequency from falling off a cliff, and split the frequency falling process to relieve the pressure on the equipment in the system.
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