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[FEATURE] Improve connection of charging points #413

@birgits

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@birgits
  • Connect home charging points to residential buildings and work charging points to CTS and industrial loads when connected in voltage level 7
    • Here, the potential LV buses should in case of home charging only be residential loads and in case of work charging industrial or CTS loads
    • This is e.g. already done in function Topology.connect_to_lv()
    • In case no suitable load is available, the current approach can be used, that the charging station is connected somewhere in the grid
    • In case a suitable load can be found, the charging point should be connected directly to the same bus as the load
    • A load is only suitable, if number of connected charging points is below defined value as done here
    • Connecting to a suitable load bus could also be made an option when calling the function
    • Same can be done for heat pumps, storage units and generators
      • Heat pumps with sector 'individual_heating' or 'individual_heating_resistive_heater' should be connected to some load bus
      • Solar generators in those voltage levels should be connected to some load bus
      • Storage should be connected to bus with a solar generator
    • Same could be done for voltage level 6
    • Same could also be done in MV, but here, the distance from the geolocation of the component to the selected bus should not be too large; in case it is too large, the component should just be connected based on its geolaction
  • Charging points public - if next grid connection point in LV is too far away, check whether next grid connection option in MV is much closer
    • Needs to be implemented here
  • Consider distance from grid in attractivity of public charging points - @khelfen could you please add here where best to do it? I think here, but I don't fully understand this function. Maybe elaborating the docstring would help.

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