The model of a typical AC/DC power system is established using the PSCAD/EMTDC software, output data and curves of simulation are analyzed, and the reactive power of the AC/DC system is calculat.

• 为准确分析计算交直流输电系统的无功功率,采用基于任意周期电压电流的无功功率数学模型,推导了交直流输电系统的无功功率模型,阐述了交直流输电系统中无功功率的物理本质。