DOWNLOAD THE MATLAB CODE FOR LOAD FLOW ANALYSIS USING BACKWARD FORWARD SWEEP FOR IEEE 33 BUS SYSTEM

DESIGN DETAILS
Load flow, also known as Power Flow Analysis, is an essential method to examine the problems occurring in the power systems network or grid. Load flow Analysis is performed to determine the state of the equipment present in the network in order to ensure their operation within the specified limits. This design presents Backward / Forward (BW/FW) Sweep algorithm for load flow analysis of radial distribution network. In backward sweep, Kirchhoff’s Current Law and Kirchhoff’s Voltage Law are used to compute the bus voltage from farthest node. In forward sweep, downstream bus voltage is updated starting from source node. The procedure stops after the mismatch of the calculated and the specified voltage at the substation is less than a convergence tolerance. Line losses are calculated afterwards using updated bus voltage. Using this method, load flow solution for a distribution network can be obtained without solving any set of simultaneous equations. The design is tested with IEEE 33 bus radial distribution system using Matlab programming.

The IEEE 33 Bus system is a generic model which facilitate customization for more specific studies. It consists of 33 buses and 32 lines and has a voltage of 12.66kV, load size of 100MW.

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[samrawitderebew]

Can you help me forward, backward load flow analysis for 127 bus systems?

[sayakmondal]

Can you explain the forward backward sweep for 3 phase unbalanced system???