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adding description to r argument

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This commit is contained in:
Julian Perez Ramirez 2024-11-07 11:35:55 +01:00
parent 31b48187c6
commit 78929f65f5
1 changed files with 7 additions and 13 deletions
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20
electronics/star_delta_transform.py
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@ -18,29 +18,25 @@ from sys import exit
from unittest import mock from unittest import mock
def delta_to_wye(r: list) -> dict: def delta_to_wye(resistors: list) -> dict:
""" """
r is a list with resistor values to be transform from delta to star
>>> delta_to_wye([2.0, 3.0, 4.0]) >>> delta_to_wye([2.0, 3.0, 4.0])
{'r1': 1.3333333333333333, 'r2': 0.8888888888888888, 'r3': 0.6666666666666666} {'r1': 1.3333333333333333, 'r2': 0.8888888888888888, 'r3': 0.6666666666666666}
""" """
r_wye: dict = {} r_wye: dict = {}
ra, rb, rc = r[0], r[1], r[2] ra, rb, rc = resistors[0], resistors[1], resistors[2]
r_wye.update({"r1": rb * rc / (ra + rb + rc)}) r_wye.update({"r1": rb * rc / (ra + rb + rc)})
r_wye.update({"r2": ra * rc / (ra + rb + rc)}) r_wye.update({"r2": ra * rc / (ra + rb + rc)})
r_wye.update({"r3": ra * rb / (ra + rb + rc)}) r_wye.update({"r3": ra * rb / (ra + rb + rc)})
return r_wye return r_wye
def wye_to_delta(r: list) -> dict: def wye_to_delta(resistors: list) -> dict:
""" """
r is a list with resistor values to be transform from star to delta
>>> wye_to_delta([2.0, 3.0, 4.0]) >>> wye_to_delta([2.0, 3.0, 4.0])
{'ra': 13.0, 'rb': 8.666666666666666, 'rc': 6.5} {'ra': 13.0, 'rb': 8.666666666666666, 'rc': 6.5}
""" """
r1, r2, r3 = r[0], r[1], r[2] r1, r2, r3 = resistors[0], resistors[1], resistors[2]
r_delta: dict = {} r_delta: dict = {}
r_delta.update({"ra": (r1 * r2 + r2 * r3 + r3 * r1) / r1}) r_delta.update({"ra": (r1 * r2 + r2 * r3 + r3 * r1) / r1})
r_delta.update({"rb": (r1 * r2 + r2 * r3 + r3 * r1) / r2}) r_delta.update({"rb": (r1 * r2 + r2 * r3 + r3 * r1) / r2})
@ -48,10 +44,8 @@ def wye_to_delta(r: list) -> dict:
return r_delta return r_delta
def transform(mode: int, r: list) -> dict: def transform(mode: int, resistors: list) -> dict:
""" """
r is a list with resistor float values to be transform
>>> transform(1, [4.0, 5.0, 6.0]) >>> transform(1, [4.0, 5.0, 6.0])
{'r1': 2.0, 'r2': 1.6, 'r3': 1.3333333333333333} {'r1': 2.0, 'r2': 1.6, 'r3': 1.3333333333333333}
@ -60,9 +54,9 @@ def transform(mode: int, r: list) -> dict:
""" """
r_transformed = {} r_transformed = {}
if mode == 1: if mode == 1:
r_transformed = delta_to_wye(r) r_transformed = delta_to_wye(resistors)
elif mode == 2: elif mode == 2:
r_transformed = wye_to_delta(r) r_transformed = wye_to_delta(resistors)
return r_transformed return r_transformed