docs: def set_branch_ids(self):
          """ Performs generation and setting of ids of branches for all MV and underlying LV grids.            
              
          See Also
          --------
          ding0.core.network.grids.MVGridDing0.set_branch_ids
          """
  
          for grid_district in self.mv_grid_districts():
              grid_district.mv_grid.set_branch_ids()
  
          logger.info('=====> Branch IDs set')