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The error of partial discharge (PD) localization by UHF method will become gradually larger with the increase of source distance due to the UHF signal caused by PD is smaller or even undetectable. To improve the localization accuracy efficiently, this paper proposed a novel error correction method based on BP neural network. The measurement error dataset was trained by our designed algorithm and a compensation curved surface was drawn. The mean square root error of field test localization datadoi:10.12783/dtetr/iceea2016/6630 fatcat:peljax4wdngf3nopwvao4i4she