油浸式变压器现场振荡型冲击耐压试验方法

摘要

In order to meet the need of site oscillating impulse withstand voltage test for oil filled transformer, based on Marx loop theory, according to the structure characteristic of the transformer,puts forward the method of bringing test voltage and test connection. The simulation calculation and test shows that to connect inductance coil in the Marx loop which constitute the impulse voltage generator with double exponential waveform, can bring the oscillating impulse voltage waveform accord with IEC 60060-3 standard.%为满足油浸式电力变压器现场振荡型冲击耐压试验的需要，基于MARX回路，根据变压器的结构特点，提出了试验电压的产生方法和试验接线方法。仿真计算和模拟试验表明：在构成的双指数波形冲击电压发生器的MARX回路中接入电感线圈，可产生符合IEC 60060-3标准的振荡型冲击电压波形。