Research and Application of Combined Reactive Power Compensation Device Based on SVG+SC in Wind Power Gathering Area
Source abstract
Abstract
With the increasing proportion of wind power access year by year, it brings many challenges to the voltage stability of power systems. In order to maintain the stability of the voltage in the power grid, it is impossible to take into account the regulation ability and economy when a single reactive power compensation device is installed. In this paper, a combined reactive power compensation device was installed, which is composed of a static var generator (SVG) and a parallel capacitor bank. The SVG has the characteristics of fast and smooth adjustment, and the application of the capacitor bank reduces the overall investment cost and has a great economy. The modal analysis method was used to find the optimal installation position for the reactive power compensation device. The improved particle swarm algorithm was used to optimize the capacity of the optimal reactive power compensation device to ensure the best performance of the compensation device. Finally, by formulating the control strategy of the combined reactive power compensation system, the reliable switching of the compensation device is controlled. The PSCAD simulation software was used to model the power grid in the Hami area, and six different configuration programs were set for static voltage stability simulation verification and three different configurations. The program was simulated and verified for transient voltage stability, and comparative analysis showed that the proposed method was correct, which strongly supports the voltage stability of the region and meets the demand of reactive power compensation of the power grid. This provides a good reference program for other wind power gathering areas.
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Research context
OpenAlex topics: Power Systems and Renewable Energy · Power System Optimization and Stability · High-Voltage Power Transmission Systems
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Engineering Research Center of Education Ministry for Renewable Energy Power Generation and Grid-Connected Control, Xinjiang University, Urumqi 830047, China
Electric Power Research Institute, State Grid Xinjiang Electric Power Co., Ltd., Urumqi 830013, China
Funding
National Natural Science Foundation
References (35)
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