Class: Honeybee::PVProperties

Inherits:
ModelObject show all
Defined in:
lib/honeybee/generator/pv.rb,
lib/to_openstudio/generator/pv.rb

Instance Attribute Summary

Attributes inherited from ModelObject

#errors, #openstudio_object, #warnings

Instance Method Summary collapse

Methods inherited from ModelObject

#allowable_types, clean_identifier, clean_name, #find_existing_openstudio_object, #initialize, #method_missing, read_from_disk, truncate

Constructor Details

This class inherits a constructor from Honeybee::ModelObject

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Honeybee::ModelObject

Instance Method Details

#defaults ⇒ Object 



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# File 'lib/honeybee/generator/pv.rb', line 37

def defaults
  @@schema[:components][:schemas][:PVProperties][:properties]
end

#to_openstudio(openstudio_model, parent) ⇒ Object 



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# File 'lib/to_openstudio/generator/pv.rb', line 39

def to_openstudio(openstudio_model, parent)
  # calculate the DC system size from the efficiency and the parent area
  rated_watts = defaults[:rated_efficiency][:default] * 1000
  if @hash[:rated_efficiency]
    rated_watts = @hash[:rated_efficiency]  * 1000
  end
  active_fraction = defaults[:active_area_fraction][:default]
  if @hash[:active_area_fraction]
    active_fraction = @hash[:active_area_fraction]
  end
  sys_cap = parent.netArea * active_fraction * rated_watts
  sys_cap = sys_cap.round

  # create the PVWatts generator and set identifier
  os_gen = OpenStudio::Model::GeneratorPVWatts.new(openstudio_model, parent, sys_cap)
  os_gen.setName(@hash[:identifier] + '..' + parent.name.get)

  # assign the module type
  if @hash[:module_type]
    os_gen.setModuleType(@hash[:module_type])
  else
    os_gen.setModuleType(defaults[:module_type][:default])
  end

  # assign the mounting type
  if @hash[:mounting_type]
    os_gen.setArrayType(@hash[:mounting_type])
  else
    os_gen.setArrayType(defaults[:mounting_type][:default])
  end

  # assign the system loss fraction
  if @hash[:system_loss_fraction]
    os_gen.setSystemLosses(@hash[:system_loss_fraction])
  else
    os_gen.setSystemLosses(defaults[:system_loss_fraction][:default])
  end

  # assign the tracking ground coverage ratio
  if @hash[:tracking_ground_coverage_ratio]
    os_gen.setGroundCoverageRatio(@hash[:tracking_ground_coverage_ratio])
  end

  os_gen
end