Series compensation optimization configuration method of power system circuit

Abstract

The invention relates to a series compensation optimization configuration method of a power system circuit, and belongs to the technical field of power system running. The series compensation optimization configuration method comprises the steps of firstly, building a power network mathematical model; secondly, determining a power flow algorithm of a power system; thirdly, adding series compensation to the system circuit, building a multi-target optimization model with minimum system network loss and optimal voltage quality on the basis of power flow calculation by taking series compensation number, a series compensation circuit, series compensation degree and active power output of a power generator as constraint conditions, and optimizing series compensation configuration in the system by employing random weight-based improved particle swarm algorithm to achieve selection of the series compensation configuration number, the series compensation configuration circuit and the series compensation degree under optimal power flow steady state; and finally, performing simulation and solving in Matlab. By the series compensation optimization configuration method, the problem of series compensation configuration of the circuit is solved, the system network loss is reduced, and the system voltage quality is improved; and moreover, with the adoption of the random weight-based improved particle swarm algorithm, the optimal solution of the system is ensured, and local optimization is prevented.

Description

technical field [0001] The invention relates to a method for optimal configuration of line series compensation in a power system, and belongs to the technical field of power system operation. Background technique [0002] Large-capacity and high-voltage long-distance transmission mode is the biggest feature of my country's transmission network, while voltage quality and network loss have become the main factors that limit transmission capacity and affect power quality. After scientific research, transmission line series compensation technology can improve the reactance characteristics of long-distance transmission lines, shorten the electrical distance of transmission corridors, increase the transmission capacity of the transmission system, improve the stability of the transmission system, can improve its transmission capacity, and significantly improve the system voltage And reduce system network loss, but if the series compensation degree and position of series compensatio...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for optimizing the configuration of line series compensation in a power system, which solves the problems of the number of series compensation in the system, the selection of lines for series compensation and the degree of selection of series compensation, and improves the static voltage stability of the system. Increased power transmission capacity, improved system voltage quality, reduced system network loss, and improved system stability

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