A Method of Site Selection and Capacity of Static Synchronous Series Compensator

Abstract

The invention provides a locating and sizing method of a static synchronous series compensator. The method comprises the steps of: constructing a target function for locating and sizing of the static synchronous series compensator, and determining the constraint conditions of locating and sizing; and adopting a catastrophic variable speed quantum genetic algorithm to calculate the function value of the target function, comparing the target function values of individuals in a group, and further determining the optimal installation position of the static synchronous series compensator and an injection voltage amplitude. Compared with the prior art, the locating and sizing method of the static synchronous series compensator starts from a plurality of targets, the optimal line and capacity are searched in the total network lines for the installation of the static synchronous series compensator, and the comprehensive level of the economic performance and the stability of the power grid is improved.

Description

technical field [0001] The invention relates to the technical field of flexible AC power transmission, in particular to a method for site selection and capacity determination of a static synchronous series compensator. Background technique [0002] Flexible AC Transmission System (FACTS) refers to a new technology that combines modern power electronics technology and modern control technology to achieve the goals of improving system stability, regulating system power flow and optimizing system operating conditions. With the development of power electronics technology, FACTS technology will become an important part of the power grid system [0003] Static synchronous series compensator is a member of FACTS family. It is a series compensation device based on turn-off devices, and its core part is a voltage source converter. In the power system, the static synchronous series compensator can be equivalent to a controllable voltage source connected in series on the line, and the...

AI Technical Summary

Problems solved by technology

[0004] At present, when static synchronous series compensators are installed in the transmission network, some lines are selected directly according to experience, and then a relatively good installation position and installation capacity are obtained after repeated trial calculations, but the optimized mathematical model is not used for global optimization. , the installation position thus obtained cannot give full play to the control effect of the static synchronous series compensator on the power flow; some methods are to separate the site selection from the fixed capacity problem, that is, first determine the installation position according to certain indicators, and then determine the installation position Position is calculated based on its compensating capacity

This method completes the problem step by step, which actually simplifies the problem and may not necessarily find the optimal solution of the target.

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