摘要：The paper presents an analysis of the balance sheet and the reactive power demand of the Polish Power System.Reactive power balance sheets were made for the specific operating conditions of the system: the last winter peak,summer peak and summer off peak load.The basis of the study was load flow models and selected load flow calculation results.In addition,changes in demand for active and reactive power in recent years were presented.
关键词：reactive power;power demand;electric power system.
