In order to solve the problem of inadequate reactive power compensation under the background of high proportion of new energy resources access,a multi-objective optimal dispatch strategy considering re-active power support performance of wind farm was proposed.The reactive power support performance of wind farm was analyzed from the aspects of voltage stability,reactive power margin safety and power loss economy of the power system operation.A quadratic function group considering multi-objective satisfac-tion interval was constructed,and a multi-interval dynamic optimization model of the system was estab-lished.The adaptive chaotic differential krill herd algorithm(A-CDKH)was proposed to address the non-linear and multi-constraint characteristics of the reactive power optimal dispatch problem.Finally,the ad-vantages and effectiveness of the proposed strategy were proved through the simulation results of the modi-fied IEEE30-node model and an actual wind farm model.Results show that,compared with the multi-ob-jective fuzzy optimization model,the maximum voltage deviation index obtained by the multi-objective dy-namic optimization model can reach 32.99％optimization degree.The A-CDKH can optimize 75.94％com-pared with other algorithms in the voltage deviation index.
关键词
新能源/风电场/无功优化调度/指标动态优化/自适应混沌差分磷虾群算法
Key words
new energy resources/wind farm/reactive power optimal dispatch/objective dynamic optimi-zation/adaptive chaotic differential krill herd algorithm
维普
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