Analysis and Treatment of DC Bias Effect on 220?kV Transformers in Urban Rail Transit
With the rapid development of urban rail transit,its impact on the DC bias of 220 kV transformers has gradually become prominent.DC bias can cause unstable operation,reduced efficiency,and even damage to transformers,posing safety hazards and economic losses to urban power systems.Therefore,it is necessary to conduct in-depth research on the impact mechanism of urban rail transit on transformer DC bias,and propose corresponding governance methods and measures to ensure the safe and stable operation of urban power systems.
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