Confirming of Reactive Power Compensation Node of System and Compensation Method

Based on analyzing of the purpose of the static voltage stability limitation of critical voltage and critical power,the voltage and current characteristics of simple alternative circuit are discussed,and the way of confirming var compensation node of electric power system is indicated.The impact of static var compensators(SVC) is discussed,the viewpoint that putting the node of voltage critical collapse in SVC is applied to var compensation is beneficial to voltage stability of electric system.By 5 nodes algorithm case,the result of compensation is clear.