Comparison of Power Flow Algorithms for inclusion in On-line Power Systems Operation Tools

<p>The goal of this thesis is to develop a new, fast, adaptive load flow algorithm that "automatically alternates" numerical methods including Newton-Raphson method, Gauss-Seidel method and Gauss method for a load flow run to achieve less run time. Unlike the proposed method, the traditional load flow analysis uses only one numerical method at a time. This adaptive algorithm performs all the computation for finding the bus voltage angles and magnitudes, real and reactive powers for the given generation and load values, while keeping track of the proximity to convergence of a solution. This work focuses on finding the algorithm that uses multiple numerical techniques, rather than investigating programming techniques and programming languages. The convergence time is compared with those from using each of the numerical techniques. The proposed method is implemented on the IEEE 39-bus system with different contingencies and the solutions obtained are verified with PowerWorld Simulator, a commercial software for load flow analysis.</p>

Name thesis:degree_name

M.S.

Level thesis:degree_level

Thesis

Discipline thesis:degree_discipline

Electrical Engineering

Year

2010

Author dc:creator

• Bokka, Naveen

Contributors dc:contributor

• Leevongwat, Ittiphong
• Rastgoufard, Parviz
• Chen, Huimin

• Power flow
• Gauss method
• Gauss-Seidel method
• Newton-Raphson method
• switching technique
• convergence time

Repository record dc:identifier

https://scholarworks.uno.edu/td/1237

OAI identifier oai:identifier

oai:scholarworks.uno.edu:td-2220