This paper outlines different partial discharge detection methodsin power transformers, and digital detection and UHF method are emphasized. Following a discussion, the study trends are given.

• 本文概述了电力变压器局部放电检测技术的研究现状，着重论述了近几年发展起来的数字化测量和超高频(HF)测，并对电力变压器局部放电检测技术的发展前景作了探讨。