Distribution Network Forward-Backward Sweep Power Flow Calculation Program

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Resource Overview

A MATLAB-implemented forward-backward sweep power flow calculation program for distribution networks using the IEEE 33-node test system as an example, capable of handling looped network configurations with detailed algorithm implementation and nodal voltage calculations.

Detailed Documentation

This documentation presents a MATLAB-based forward-backward sweep power flow calculation program for distribution networks. The program utilizes the IEEE 33-node distribution system as a test case and implements an iterative algorithm that handles both radial and looped network configurations. Key features include nodal voltage magnitude calculations, branch power flow computations, and convergence checks using tolerance-based stopping criteria. The algorithm initializes with flat-start voltages and iteratively calculates branch currents in the forward sweep, followed by nodal voltage updates in the backward sweep until convergence is achieved. This program provides accurate power flow results essential for analyzing distribution network operational characteristics, enabling better system optimization, efficiency improvements, and stability enhancement through detailed technical analysis.

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