Utility Transformer DC Bias Caused by Metro Stray Current—A Review

Utility Transformer DC Bias Caused by Metro Stray Current—A Review

The rapid expansion of the urban rail network has increased concerns regarding stray current generated by the DC traction power supply system. This stray current, which arises from inadequate insulation between the rail and the ground, can cause electrochemical corrosion and operational challenges t...

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Bibliographic Details
Main Authors: Adisu Makeyaw, Xiaofeng Yang, Xiangxuan Sun, Ke Liu, Tianyi Wu, Lu Chen
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Energies
Subjects:
urban rail
stray current
DC bias
utility transformer
suppression measures
Online Access:https://www.mdpi.com/1996-1073/18/14/3678
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