Reactive power optimization oriented control using optimal reactive power supply for radial network

Abstract

The concept of optimal reactive power supply is introduced. The value of optimal reactive power supply is derived from a two buses model. An optimal reactive power control strategy called reactive power optimization oriented slack control (RPOOSC) is put forward. Furthermore, an optimal control method using optimal reactive power supply for radial network is proposed as an application of reactive power optimization oriented control (RPOOC). The proposed method uses reactive power load as control variable and reactive power supply as state variable. The method can effectively reduce active power loss of transmission lines, and it is easy to realize. A simulation is carried out to reflect the optimization effect of the method compared with another optimization method, which is widely acknowledged. And the results show that the proposed method is effective and practical.