This code is a script for analyzing possible neutral problems...
August 28, 2025 at 06:35 PM
This code is a script for analyzing possible neutral problems in an electrical system based on voltage data for three phases (Phase A, Phase B, and Phase C) extracted from an Excel file. Here’s what it does step-by-step:
Key Actions:
-
Setup and Initialization:
- The script sets up folder paths and filenames for input and output files.
CAMINHO_PASTA
andNOME_PLANILHA
specify the folder and name of the input Excel file.- Checks if the input Excel file exists. If not, it notifies the user and exits.
-
Reading the Excel File:
- Reads the Excel file into a Pandas DataFrame (
df
). - Verifies if the required columns
['Fase A', 'Fase B', 'Fase C']
exist in the DataFrame. If one or more are missing, it raises an exception.
- Reads the Excel file into a Pandas DataFrame (
-
Analyzing Neutral Problems:
- Defines a function,
analisar_problemas_neutro
, to analyze potential neutral problems for each row based on Phase A, Phase B, and Phase C voltage values.- If insufficient data is available (less than two non-null values), marks the row as "Not analyzed".
- If all phase voltages are equal, considers the voltages as balanced and marks the result as "Normal".
- If there is variation between the voltages, it calculates the difference between minimum and maximum voltages and determines if the tendency in the phases is increasing, decreasing, or unstable. This suggests a "possible neutral problem".
- This function is applied to each row of the DataFrame, and results are stored in new columns:
Tipo_Problema
,Tendência
, andDetalhes
.
- Defines a function,
-
Generating Statistical Insights:
- Summarizes the total number of rows, how many cases are "OK," and how many have a "possible neutral problem."
-
Generating and Saving Reports:
- Compiles a detailed report in plain text format describing the analysis results, including statistical insights and records of customers with potential problems.
- Saves the updated DataFrame (with analysis results) to a new Excel file.
-
Output and Logs:
- Displays a summary of the results in the console, including file paths where the detailed report (
resultado_analise.txt
) and Excel output (resultado_detalhado.xlsx
) are saved.
- Displays a summary of the results in the console, including file paths where the detailed report (
-
Error Handling:
- If any errors occur (e.g., missing columns, issues reading the Excel file), the script provides an error message guiding the user to verify the Excel file's structure.
What the Outputs Represent:
- TXT Report (
resultado_analise.txt
):- Includes overall statistics, a summary of the analysis, and a list of customers flagged as having possible neutral problems.
- Excel File (
resultado_detalhado.xlsx
):- The original data with additional columns containing the analysis results for each customer.
Summary of Purpose:
This script automates the process of:
- Identifying potential electrical neutral issues by analyzing phase voltages.
- Producing actionable insights and saving them in a human-readable format (TXT and Excel).
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