Within the diagnostic model, the dissolved gas-in-oil analysis (DGA) and the results of conventional electrical tests of power transformers are combined tightly.

• 该模型将油中溶解气体分析与常规电气试验的结论紧密结合起来，并充分借鉴现场的运行、诊断和维修经验，具有较强的知识表示及不确定性处理能力。