Hybrid interval reactive power optimization method and system for power system

• Main Authors: JIA HONGLEI, LIU QIAN, YANG HUAIZHI, ZHANG CONG, XIAO WEI, CHEN DAWEN, LUO YUFENG, JIA WANQING, LIU XIAO, QU SHAOQING
• Format: Patent
• Language: Chinese; English
• Published: 14.03.2023
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a hybrid interval reactive power optimization method and system for a power system. The method comprises the following steps: constructing an interval reactive power optimization model considering the uncertainty of new energy in the power system; obtaining an output interval of a new energy generator and an active load interval and a reactive load interval of a load, and inputting the interval reactive power optimization model; on the basis of an improved particle swarm optimization algorithm and an interval reactive power optimization algorithm based on security limit definition, performing mixed solution on the interval reactive power optimization model to obtain an optimal discrete quantity solution of a discrete control variable and an optimal continuous quantity solution of a continuous control variable in the interval reactive power optimization model; the reactive compensation capacity and the transformer transformation ratio of the power system are controlled according to the