An equivalent circuit of multi-winding transformer under the impulsevoltagetest condition has been worked out. The circuit parameters are frequency-dependent.
建立了电力变压器在冲击试验条件下的频率依赖参数的等效电路模型。
2
The comparison between the calculated impedance and the measured impedance has shown that the proposed model can be used to simulate the impulsevoltagetest with sufficient precision.
实例计算入端阻抗与实测的结果吻合得很好,表明该模型可以用于变压器冲击试验的故障仿真分析。
3
A test method for insulation between coils of electrical equipment based on directly impulsevoltage are presented.