Patent ID: 6188205
Filing Date: 2001-02-13
Classification: H02J,Y02E

Abstract:
A power system control apparatus comprising:power flow measuring means for measuring a reactive power flow and an effective power flow, which respectively flow between a to-be-controlled power system and an adjoining power system adjacent to the to-be-controlled power system, for each adjoining power system;desired value determining means for determining a desired reactive power flow or a desired sum of the reactive power flows according to the reactive power flows and the effective power flows measured by the power flow measuring means, a desired voltage of the to-be-controlled power system, and at least one of a plurality of desired voltages of the adjoining power systems;required value calculating means for calculating a required reactive power of the to-be-controlled power system according to the reactive power flows and the effective power flow measured by the power flow measuring means, the desired reactive power flow or the desired sum of the reactive power flows determined by the desired value determining means, the desired voltage of the to-be-controlled power system, and a measured voltage of the to-be-controlled be-controlled power system; andcontrol means for selecting a control apparatus from a plurality of control apparatuses arranged in the to-be-controlled power system according to the reactive power calculated by the required value calculating means and controlling operation of the control apparatus selected to reduce the required reactive power of the to-be-controlled power system.