Firstly, the oil-paper insulation structure in power transformers is analyzed, and two kinds of Extended Debye models, a simplified one and a complicated one, are presented.

• 首先，分析变压器油纸绝缘结构，建立简单以及复杂两种等效扩展德拜模型，并从理论上分析电路参数变化对回复电压结果的影响。