LOCAL CONTROLLER MODEL TO LOAD BALANCE IN URBAN MICROGRIDS USING A TIMED HIERARCHICAL PETRI NETS APPROACH
Smart grids raised a great demand for special services and automatic control, particularly to load balance on low-voltage consumers grid, which stands out for ensuring stable states between phases in the secondary grid. This paper presents a new system design approach in order to automate the phase load balancing process, as an alternative system control to urban microgrids. The control system is based on combined algorithms that process the load unbalances identification in the phases of the grid, the load consumption classification and forecast of the consumer units, and the optimization of the selection consumption units to be switched in feeders. The system design validation is performed used a Timed Hierarchical Petri net. The result produces an efficient automated workflow of tasks to the phase load balancing, based on automatic load switching and ensure the load stability in the grid and minimize the load average unbalance.