PyLACC

Python Linear Analog Circuit Caclulator

API

from pylacc.circuit import *

Components

• Voltage Source:
  • e(voltage, frequency, **)
• Current Source:
  • i(amperage, frequency, **)
• Resistor:
  • r(resistance, frequency, **)
• Capacitor:
  • c(capacitance, **)
  • xc(reactance, **)
• Inductor:
  • l(inductance, **)
  • xl(reactance, **)
• **
  • E Voltage (complex, phasor)
  • I Current (complex, phasor)
  • Z Impedence (complex, phasor) (alias R)
  • C Capacitance (positive, real)
  • L Inductance (positive, real)
  • XC Capacitive Reactance (positive, real)
  • XL Inductive Reactance (positive, real)
  • F Frequency (positive, real)
  • PT True Power (positive, real) (alias P)
  • PR Reactive Power (positive, real)
  • PA Apparent Power (positive, real)

Complex Arguments

1.0 + 1.0j (complex)

Phasor Arguments

(radius, angle) (tuple)

Units

• k 10^3
• M 10^6
• G 10^9
• T 10^12
• m 10^-3
• u 10^-6
• n 10^-9
• p 10^-12

Series Circuits +

e(12) + r(100) + r(300)

+(12V 30mA)
+-S[12V](30mA 360mW)
+-R[100Ω](3V 30mA)
+-R[300Ω](9V 30mA)

Parallel Circuits /

e(12, 60) + xl(100) / xc(200) / r(300)

+(12V 72.1∠-56.3°mA)
+-S[12V 60Hz](72.1∠-56.3°mA 865mVA)
+-/(12V 72.1∠-56.3°mA)
+ /-L[100Ω](12V 120∠-90°mA 265mH)
+ /-C[200Ω](12V 60∠90°mA 13.3μF)
+ /-R[300Ω](12V 40mA)

Groups

Components can be grouped to prevent further concatenation.

FILTER = (l(1e-3) + c(0.0022e-6)).g
C = e(10, 107e3) + FILTER + r(100)
C.solve()
FILTER

+(380∠-87.8°mV 99.9∠2.18°mA)
+-L[1mH](67.2∠92.2°V 99.9∠2.18°mA 672Ω)
+-C[2.2nF](67.6∠-87.8°V 99.9∠2.18°mA 676Ω)

TODO

• Support multiple sources