METHOD AND APPARATUS FOR OPTIMIZING COST OF POWER CIRCUIT NETWORK

摘要

PURPOSE: To optimize generation and distribution of reactive power in a system comprising a plurality of electromagnetic rotating machines each having reactive power characteristics by providing a controllable exciting element for regulating reactive power being generated from the rotating machine or absorbed by the rotating machine. CONSTITUTION: If a non-zero effective power from an external generation facility is specified during optimization, a swing power, i.e., the difference between a specified effective power being fed from a generation facility and a calculated value, is distributed to all load buses in proportion to the effective power load after repeating Newton-Raphson matrix 56. Consequently, effective power from the generation facility can be measured on-line. If a zero effective power from an external generation facility is specified in the on-line calculation, calculated swing power is entirely born on the external generation facility.