AsynchronousMotorLV

Asynchronous motor element for low-voltage network modeling.

Models three-phase induction motors with starting transients, power factor characteristics, and harmonic generation for comprehensive LV network analysis including motor starting studies and efficiency assessments.

Inherits from: ExtrasNotesMixin, HasPresentationsMixin

Import

from pyptp.elements.lv import AsynchronousMotorLV

Properties

Property	Type	Required	Default	Description
general	General	Yes	-
presentations	list[ElementPresentation]	Yes	-
type	AsynchronousMotorType	Yes	-
harmonics	HarmonicsType | None	No	None
extras	list[Extra]	No	[]
notes	list[Note]	No	[]

AsynchronousMotorType

Asynchronous Motor type properties.

Property	Type	Required	Default	Description
single_phase	bool	No	False
unom	float	No	0.0	Nominal voltage in kV.
pm_nom	float	No	0.0	Rated mechanical power per motor in MW.
r_x	float	No	0.0	R/X ratio for short-circuit studies.
istart_inom	int	No	0	Quotient of starting current and nominal current.
poles	int	No	0	Number of poles.
rpm_nom	float	No	0.0	Nominal speed in rpm.
critical_torque	float	No	0.0	Critical torque in %.
cos_nom	float	No	0.0	Power factor at nominal power.
efficiency	float	No	0.0	Efficiency at nominal power in %.
p2	float	No	0.0	Power curve point 2 in pu.
cos2	float	No	0.0	Power factor at curve point 2.
n2	float	No	0.0	Efficiency at curve point 2 in %.
p3	float	No	0.0	Power curve point 3 in pu.
cos3	float	No	0.0	Power factor at curve point 3.
n3	float	No	0.0	Efficiency at curve point 3 in %.
p4	float	No	0.0	Power curve point 4 in pu.
cos4	float	No	0.0	Power factor at curve point 4.
n4	float	No	0.0	Efficiency at curve point 4 in %.
p5	float	No	0.0	Power curve point 5 in pu.
cos5	float	No	0.0	Power factor at curve point 5.
n5	float	No	0.0	Efficiency at curve point 5 in %.

General

General properties for an asynchronous motor.

Property	Type	Required	Default	Description
node	Guid	No	NIL_GUID
guid	Guid	No	(auto UUID)
creation_time	float | int	No	0
mutation_date	int	No	0
revision_date	float | int	No	0.0
name	str	No	""
s_L1	bool	No	True
s_L2	bool	No	True
s_L3	bool	No	True
s_N	bool	No	True
field_name	str	No	""	Name of the connection field.
phase	int	No	0
p_mechanic	float	No	0	Actual mechanical power per motor in MW.
istart_inom	int	No	0	Quotient of starting current and nominal current.
ta	int	No	0	Motor starting acceleration time in seconds.
profile	Guid	No	UUID(...)
type	str	No	""
harmonics_type	str	No	""
switch_on_frequency	int	No	0	Motor switch-on frequency in times per day.