GridFlow - Power System Load Flow Simulator

Web-based, open-source electrical power system load flow analysis tool.

Features

• 3 Solution Algorithms: Newton-Raphson, Gauss-Seidel, Fast Decoupled
• IEEE Test Systems: 14-bus, 30-bus, and 118-bus systems
• Web-Based: No installation required, runs in browser
• Open Source: MIT License

Technologies

Backend:

• Python 3.11+
• FastAPI
• NumPy/SciPy

Frontend:

• React 18 + TypeScript
• Vite
• Axios

Installation

Backend

cd backend
python -m venv venv
source venv/bin/activate  # Windows: venv\Scripts\activate
pip install -r requirements.txt
python run.py

Backend will run at http://localhost:8000

Frontend

cd frontend
npm install
npm run dev

Frontend will run at http://localhost:3000

API Endpoints

• POST /api/v1/powerflow/solve - Run power flow analysis
• GET /api/v1/powerflow/algorithms - List algorithms
• GET /api/v1/test-systems - List test systems
• GET /api/v1/test-systems/{id} - Get specific test system

Usage

1. Load IEEE 14-bus system
2. Select algorithm (Newton-Raphson recommended)
3. Click "Run Power Flow" button
4. View results

Roadmap

• Basic power flow algorithms
• IEEE 14-bus test system
• Web API
• Basic frontend
• IEEE 30-bus and 118-bus systems
• Visual SLD editor
• Graphical results (voltage profile, power flow)
• OPF (Optimal Power Flow)
• Short circuit analysis

License

MIT License