大型水电站主变压器励磁涌流仿真研究与分析

Simulation and Analysis of Magnetizing Inrush Current of Main Transformer in Large Hydropower Projects

空载变压器在充电过程中会产生励磁涌流,文章根据生产需求及设备运维需要,通过理论分析及仿真研究的方法,对变压器采取高低压侧全压充电进行了仿真分析。针对分析结果提出了有关建议,从而提高设备运维效率,对其他电站变压器运行与维护提供重要参考价值。

The no-load transformer will produce magnetizing inrush current during the charging process.According to the production demand and equipment operation and maintenance needs,through theoretical analysis and simulation research methods,the full-voltage charging of the high and low voltage sides of the transformer was simulated and analyzed in this paper.According to the analysis of results,some suggestions are put forward to improve the efficiency of equipment operation and maintenance,which have important reference value for the operation and maintenance of transformers of other projects.