lcapy.oneport.C

class lcapy.oneport.C(Cval='C', v0=None, **kwargs)

Bases: OnePort

Defines a simple linear one-port capacitor.

Parameters:

  • Cval – Capacitance

  • v0 – Initial Voltage

C

TODO: What is this?

v0

Initial Voltage

zeroic

Indicates w if initial voltage v0 is zero volts

Type:

bool

Methods

__init__([Cval, v0])

current_equation(v[, kind])

Return expression for current through component given applied voltage.

voltage_equation(i[, kind])

Return expression for voltage across component given applied current.

Attributes

is_capacitor

Indicates the component is a capacitor
current_equation(v, kind='t')

Return expression for current through component given applied voltage.

Parameters:

  • v – Applied voltage

  • kind (str) –

    The chosen representation of the equation.

    See lcapy.super.Superposition.select() for a description of the different representations supported.

Return type:

Expression for current through the capacitor

Examples

>>> from lcapy import C, t, s
>>> C(2).current_equation(5)
2*Derivative(5, t)
is_capacitor = True

Indicates the component is a capacitor

Type:

bool

voltage_equation(i, kind='t')

Return expression for voltage across component given applied current.

Parameters:

  • i – Applied current

  • kind (str) –

    The chosen representation of the equation.

    See lcapy.super.Superposition.select() for a description of the different representations supported.

Return type:

Expression for voltage across the capacitor

Examples

>>> from lcapy import C, t, s
>>> C(2).voltage_equation(5)
Integral(5, (tau, -oo, t))/2