PQ Decoupling Method for Conventional Power Flow Calculation in Power Systems

This program implements conventional power flow calculation for power systems using the PQ decoupling method. The primary objective is to compute power flow distribution under steady-state conditions, providing essential data for power system design and operation. The implementation employs the PQ decoupling algorithm which separates active and reactive power equations, utilizing Jacobian matrix simplification for improved computational efficiency. Designed with accessibility in mind, the code features clear structure and comprehensive comments, making it particularly suitable for beginners learning power system analysis. Users can easily perform secondary development based on specific requirements to adapt to various application scenarios. The core algorithm involves iterative solving with P-θ and Q-V decoupled equations, where active power corrections update voltage angles while reactive power adjustments modify voltage magnitudes. Overall, this program not only enhances computational efficiency through mathematical decoupling but also contributes to power system optimization and improvement through accurate flow distribution analysis.