SUAVE.Components.Energy.Converters.Motor.Motor Class Reference

Inheritance diagram for SUAVE.Components.Energy.Converters.Motor.Motor:

Public Member Functions
def	__defaults__ (self)
def	omega (self, conditions)
def	torque (self, conditions)
def	voltage_current (self, conditions)
def	current (self, conditions)

Public Attributes
	tag
	resistance
	no_load_current
	speed_constant
	propeller_radius
	propeller_Cp
	efficiency
	gear_ratio
	gearbox_efficiency
	expected_current
	interpolated_func
Public Attributes inherited from SUAVE.Components.Energy.Energy_Component.Energy_Component
	inputs
	outputs
Public Attributes inherited from SUAVE.Components.Physical_Component.Physical_Component
	tag
	mass_properties
	origin
	symmetric
Public Attributes inherited from SUAVE.Components.Component.Component
	tag
	origin
	generative_design_max_per_vehicle
	generative_design_characteristics
	generative_design_special_parent

Detailed Description

This is a motor component.

Assumptions:
None

Source:
None

Member Function Documentation

__defaults__()

def SUAVE.Components.Energy.Converters.Motor.Motor.__defaults__

(

self

)

This sets the default values for the component to function.

Assumptions:
None

Source:
N/A

Inputs:
None

Outputs:
None

Properties Used:
None

Reimplemented from SUAVE.Components.Energy.Energy_Component.Energy_Component.

current()

def SUAVE.Components.Energy.Converters.Motor.Motor.current	(		self,
			conditions
	)

Calculates the motor's current

Assumptions:

Source:
N/A

Inputs:
self.inputs.voltage    [V]

Outputs:
self.outputs.current   [A]
conditions.
  propulsion.etam      [-] 

Properties Used:
self.
  gear_ratio           [-]
  speed_constant       [radian/s/V]
  resistance           [ohm]
  outputs.omega        [radian/s]
  gearbox_efficiency   [-]
  expected_current     [A]
  no_load_current      [A]

omega()

def SUAVE.Components.Energy.Converters.Motor.Motor.omega	(		self,
			conditions
	)

Calculates the motor's rotation rate

Assumptions:
Cp (power coefficient) is constant

Source:
N/A

Inputs:
conditions.
  freestream.velocity                    [m/s]
  freestream.density                     [kg/m^3]
  propulsion.propeller_power_coefficient [-]
self.inputs.voltage                      [V]

Outputs:
self.outputs.
  torque                                 [Nm]
  omega                                  [radian/s]

Properties Used:
self.
  resistance                             [ohms]
  gearbox_efficiency                     [-]
  expected_current                       [A]
  no_load_current                        [A]
  gear_ratio                             [-]
  speed_constant                         [radian/s/V]
  propeller_radius                       [m]

torque()

def SUAVE.Components.Energy.Converters.Motor.Motor.torque	(		self,
			conditions
	)

Calculates the motor's torque

Assumptions:

Source:
N/A

Inputs:

Outputs:
self.outputs.torque    [N-m] 

Properties Used:
self.
  gear_ratio           [-]
  speed_constant       [radian/s/V]
  resistance           [ohm]
  outputs.omega        [radian/s]
  gearbox_efficiency   [-]
  expected_current     [A]
  no_load_current      [A]
  inputs.volage        [V]

voltage_current()

def SUAVE.Components.Energy.Converters.Motor.Motor.voltage_current	(		self,
			conditions
	)

Calculates the motor's voltage and current

Assumptions:

Source:
N/A

Inputs:

Outputs:
self.outputs.current   [A]
conditions.
  propulsion.volage    [V]
conditions.
  propulsion.etam      [-] 

Properties Used:
self.
  gear_ratio           [-]
  speed_constant       [radian/s/V]
  resistance           [ohm]
  outputs.omega        [radian/s]
  gearbox_efficiency   [-]
  expected_current     [A]
  no_load_current      [A]

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The documentation for this class was generated from the following file:

• /Users/emiliobotero/Dropbox/SUAVE/SUAVE/trunk/SUAVE/Components/Energy/Converters/Motor.py