变压器局部放电超高频检测方法的应用

Application of ultra^high^frequency partial discharge detection in transformers

阐述了电力变压器局部放电超高频检测方法的原理,分析了其抗干扰性能的优越性,并在变电站进行了实际应用。对测量数据进行了分析,结果表明,超高频方法可用于在线检测变压器局部放电,抗干扰性能好,测量结果能反映出变压器绝缘的真实状况。

This paper describes the principles of the ultra^high^frequency (UHF) technique of partial discharge (PD) detection in transformers,and analyzes its superiority on interference^free performance.The method is applied in a substation and the measured data analyzed.The results show that the UHF technique applies to on^line PD detection in transformers with good anti^interference capability and the detection results can reflect the real condition of transformer insulation.